A vehicle-pile-gathering-network multi-service coupling interactive system and method
By designing an interactive system that couples multiple services between vehicles, charging piles, and electricity grids, the problem of inconsistent standard architecture in the interaction between electric vehicles and power grids is solved, grid supply and demand balance and market transaction incentives are achieved, and the large-scale development of electric vehicles is promoted, with flexibility and scalability.
Patent Information
- Application Number
- CN202311428898.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-31
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2043-10-31
AI Technical Summary
In existing technologies, the interaction between electric vehicles and power grids has not yet formed a unified standard technical architecture, and the information and power coupling relationship between the vehicle-pile-gathering-grid entities is unclear, making it difficult to achieve safe, economical and efficient interaction between electric vehicles and power grids, and the market trading platform for vehicle-grid interaction is not highly applicable.
A vehicle-pile-gathering-network multi-service coupling interactive system was designed, including a transaction supervision platform, charging and discharging equipment and control terminals, and a charging and discharging resource operation platform. Through the information and communication coupling interface, the dynamic price distribution of electricity market transaction objects, carbon emission quotas and green certificates, and the transmission of market declaration information are realized, generating the optimal market operation transaction strategy and charging and discharging equipment control information.
It achieves a balance between supply and demand in the power grid, stimulates the enthusiasm of various parties to participate in market transactions, promotes the large-scale development of electric vehicles, and helps achieve the dual carbon goals. At the same time, it has flexibility and scalability to meet current and future needs of vehicle-grid interaction.
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Figure CN117669915B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of interaction between electric vehicles and power grids, and in particular to a vehicle-pile-gathering-grid multi-service coupling interaction system and method. Background Art
[0002] With the rapid growth of new energy electric vehicles, how to leverage the two-way energy interaction between electric vehicles and the power grid to maximize economic benefits and green value has become a hot topic. Currently, vehicle-grid interaction technology is still in its infancy, and a unified standard technical architecture has not yet been established for all parties involved. The information and power coupling relationship between the vehicle, charging pile, cluster, and grid remains unclear. IEEE Std 2030.11 TM -2021 proposed a DERMS system architecture, but the design of the DERMS system architecture is complex, the interaction system with the power grid does not fully match the current domestic business situation, and the market trading platform for vehicle-grid interaction is not highly applicable. To support the safe, economical, and efficient interaction between electric vehicles and the power grid, stimulate the enthusiasm of various stakeholders to participate in vehicle-grid interaction, and meet the business needs of future large-scale development of electric vehicles, it is urgent to establish an information and power interaction system architecture that couples multiple services between vehicles, charging piles, clusters, and the grid. This architecture should clarify the interaction mechanism among the participants and define the functional requirements of various stakeholders at the physical connection and information interface levels. Summary of the Invention
[0003] To address the existing technical issues of supporting safe, economical, and efficient interaction between electric vehicles and the power grid, motivating all parties to actively participate in vehicle-grid interaction, and meeting the business needs of large-scale development of electric vehicles in the future, the present invention proposes a vehicle-pile-gathering-grid multi-service coupling interactive system, including:
[0004] The transaction supervision platform is used to send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform, and receive equipment operation information uploaded by the charging and discharging resource operation platform;
[0005] Charging and discharging equipment and control terminals are used to send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform; charging and discharging are regulated based on the control information of the charging and discharging equipment;
[0006] The charging and discharging resource operation platform is used to generate the best market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the electricity market transaction subject and the market declaration information of the aggregator operating entity, and send it to the charging and discharging equipment and control terminals.
[0007] Preferably, the transaction supervision platform includes:
[0008] The power trading system is used to send the dynamic prices of power market transaction objects to the power grid operation control platform through the information and communication coupling interface; and send the power market response assessment results to the aggregator platform;
[0009] The carbon trading system is used to send the dynamic price of carbon emission quotas to the power grid operation control platform through the information and communication coupling interface; and send carbon trading settlement information to the aggregator platform;
[0010] Green certificate trading system, used to send the dynamic price of green certificates to the power grid operation control platform through the information and communication coupling interface; send the green certificate transaction settlement information to the aggregator platform;
[0011] The government regulatory platform is used to exchange information with the power grid operation control platform and the aggregator platform through the information and communication coupling interface.
[0012] Preferably, the charging and discharging equipment and control terminal include:
[0013] The vehicle is used to connect to the charging pile / station through the power coupling interface and send the market declaration information of the electric vehicle to the charging pile / station and the aggregator platform through the information and communication coupling interface;
[0014] Charging piles / stations are used to connect to the local VGI terminal of the distribution network through the power coupling interface and send the market declaration information of electric vehicles and charging piles / stations to the local VGI terminal of the distribution network and the aggregator platform through the information and communication coupling interface;
[0015] The local VGI terminal of the distribution network is used to control the charging and discharging of charging piles / stations and vehicles based on the control information of charging and discharging equipment;
[0016] The market declaration information of the aggregator operator includes: market declaration information of electric vehicles and market declaration information of charging piles / stations;
[0017] The charging and discharging equipment control information includes: charging vehicle information, equipment information, order information, charging start, charging pause, charging resumption and charging stop.
[0018] Preferably, the charging and discharging resource operation platform includes:
[0019] The power grid operation control platform is used to generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operating entity, and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the transaction declaration confirmation information and charging and discharging equipment control information to the aggregator platform;
[0020] The aggregator platform is used to send the market declaration information of the aggregator operating entity to the power grid operation control platform; control the start and stop of charging piles / stations and vehicles based on the charging and discharging equipment control information, and calculate transaction details based on the transaction declaration confirmation information.
[0021] Preferably, the power grid operation control platform is specifically used to:
[0022] Generate the optimal market transaction strategy and charging and discharging equipment control information based on the operating rules of the power market, the dynamic prices of the power market transaction subject matter, and the market declaration information of the aggregator operator; and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the charging and discharging equipment control information and the transaction declaration information in the optimal market transaction strategy to the aggregator platform;
[0023] Generate the quantity and price of carbon emission allowances to be purchased / sold based on the carbon market's operating rules, the dynamic price of carbon emission allowances, and the market declaration information of the aggregator's operating entity; and send the carbon trading results to the aggregator platform;
[0024] Generate the quantity and price of green certificates to be purchased / sold based on the operating rules of the green electricity market, the dynamic price of green certificates, and the market declaration information of the aggregator's operating entity; and send the green certificate transaction results to the aggregator platform;
[0025] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform;
[0026] Among them, the charging and discharging service resource information includes: equipment identification, name, location, coordinates, service publicity information and status;
[0027] Statistical information includes: cumulative power and cumulative duration;
[0028] Business information includes: authentication, charging start, charging stop and order information.
[0029] Preferably, the aggregator platform is specifically used to:
[0030] Send the market declaration information received from charging piles / stations and vehicles to the power grid operation control platform;
[0031] Based on the charging and discharging equipment control information and the operating status of the charging pile / station and the vehicle, the target power, start time and end time in the charging and discharging equipment control information are sent to the charging pile / station and the vehicle;
[0032] Generate transaction details based on the power market response assessment results and clearing settlement data, and send the transaction details to the charging piles / stations and vehicles;
[0033] Send the transaction details of carbon trading settlement information to charging piles / stations and vehicles;
[0034] Send the transaction details of the green certificate transaction settlement information to the charging pile / station and vehicle;
[0035] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform.
[0036] Based on the same inventive concept, the present invention also proposes a vehicle-pile-cluster-network multi-service coupling interaction method, including:
[0037] Send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform;
[0038] Send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform;
[0039] Based on the dynamic prices of electricity market transaction objects and the market declaration information of aggregator operators, the optimal market operation transaction strategy and charging and discharging equipment control information are generated.
[0040] Preferably, the sending of the dynamic prices of the electricity market transaction subject matter, carbon emission quotas and green certificates to the charging and discharging resource operation platform includes:
[0041] The dynamic price of the subject matter of power market transactions is sent to the power grid operation control platform through the information and communication coupling interface; the power market response assessment results are sent to the aggregator platform;
[0042] The dynamic price of carbon emission quotas is sent to the power grid operation control platform through the information and communication coupling interface; the carbon trading settlement information is sent to the aggregator platform;
[0043] The dynamic price of green certificates is sent to the power grid operation control platform through the information and communication coupling interface; the green certificate transaction settlement information is sent to the aggregator platform;
[0044] Information is exchanged with the power grid operation control platform and aggregator platform through the information and communication coupling interface.
[0045] Preferably, the sending of the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform includes:
[0046] Sending electric vehicle market declaration information to charging piles / stations and aggregator platforms through information and communication coupling interfaces;
[0047] Send market declaration information of electric vehicles and charging piles / stations to local VGI terminals and aggregator platforms in the distribution network through the information and communication coupling interface; regulate the charging and discharging of charging piles / stations and vehicles based on the control information of charging and discharging equipment;
[0048] The market declaration information of the aggregator operator includes: market declaration information of electric vehicles and market declaration information of charging piles / stations;
[0049] The charging and discharging equipment control information includes: charging vehicle information, equipment information, order information, charging start, charging pause, charging resumption and charging stop.
[0050] Preferably, the generating of the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the transaction subject and the market declaration information of the aggregator operation entity includes:
[0051] Generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operator, and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the transaction declaration confirmation information and charging and discharging equipment control information to the aggregator platform;
[0052] The market declaration information of the aggregator operating entity is sent to the power grid operation control platform; the start and stop of charging piles / stations and vehicles are controlled based on the charging and discharging equipment control information, and the transaction details are calculated based on the transaction declaration confirmation information.
[0053] Preferably, the generating of the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the transaction subject and the market declaration information of the aggregator operating entity, sending the charging and discharging equipment control information to the local VGI terminal of the distribution network, and sending the transaction declaration confirmation information and the charging and discharging equipment control information to the aggregator platform includes:
[0054] Generate the optimal market transaction strategy and charging and discharging equipment control information based on the operating rules of the power market, the dynamic prices of the power market transaction subject matter, and the market declaration information of the aggregator operator; and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the charging and discharging equipment control information and the transaction declaration information in the optimal market transaction strategy to the aggregator platform;
[0055] Generate the quantity and price of carbon emission allowances to be purchased / sold based on the carbon market's operating rules, the dynamic price of carbon emission allowances, and the market declaration information of the aggregator's operating entity; and send the carbon trading results to the aggregator platform;
[0056] Generate the quantity and price of green certificates to be purchased / sold based on the operating rules of the green electricity market, the dynamic price of green certificates, and the market declaration information of the aggregator's operating entity; and send the green certificate transaction results to the aggregator platform;
[0057] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform;
[0058] Among them, the charging and discharging service resource information includes: equipment identification, name, location, coordinates, service publicity information and status;
[0059] Statistical information includes: cumulative power and cumulative duration;
[0060] Business information includes: authentication, charging start, charging stop and order information.
[0061] Preferably, the market declaration information of the aggregator operating entity is sent to the power grid operation control platform; the start and stop of the charging pile / station and the vehicle are controlled based on the charging and discharging equipment control information, and the transaction details are calculated based on the transaction declaration confirmation information, including:
[0062] Send the market declaration information received from charging piles / stations and vehicles to the power grid operation control platform;
[0063] Based on the charging and discharging equipment control information and the operating status of the charging pile / station and the vehicle, the target power, start time and end time in the charging and discharging equipment control information are sent to the charging pile / station and the vehicle;
[0064] Generate transaction details based on the power market response assessment results and clearing settlement data, and send the transaction details to the charging piles / stations and vehicles;
[0065] Send the transaction details of carbon trading settlement information to charging piles / stations and vehicles;
[0066] Send the transaction details of the green certificate transaction settlement information to the charging pile / station and vehicle;
[0067] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform.
[0068] Compared with the prior art, the present invention has the following beneficial effects:
[0069] An interactive system and method for vehicle-pile-aggregator-network multi-service coupling, comprising: a transaction supervision platform for sending the dynamic prices of electricity market transaction objects, carbon emission quotas, and green certificates to a charging and discharging resource operation platform, and receiving equipment operation information uploaded by the charging and discharging resource operation platform; charging and discharging equipment and a control terminal for sending market declaration information of aggregator operating entities to the charging and discharging resource operation platform; and performing charging and discharging regulation based on the charging and discharging equipment control information; a charging and discharging resource operation platform for generating optimal market operation transaction strategies and charging and discharging equipment control information based on the dynamic prices of electricity market transaction objects and the market declaration information of aggregator operating entities, and sending the information to the charging and discharging equipment and the control terminal; the present invention generates transaction strategies and control strategies based on the declaration information and regulation requirements of aggregator operating entities, thereby satisfying the enthusiasm of various entities of vehicle-pile-aggregator-network to participate in market transactions and achieving a balance between supply and demand in the power grid;
[0070] The present invention also incorporates a vehicle-grid interactive mode of participating in market transactions, providing a way for various entities to participate in market transactions and profit, which is conducive to stimulating the enthusiasm of various entities to participate, positively stimulating the upgrading and iteration of vehicle-grid interactive technology, further promoting the large-scale development of electric vehicles, and helping to achieve the dual carbon goals;
[0071] The present invention also has the advantages of flexibility and scalability, which not only meets the current needs of the domestic electric vehicles in the small scale and low requirements for the temporal and spatial accuracy of vehicle-network interaction response in the initial stage, but also has the scalability of the architecture to meet the future needs of large-scale development of vehicle-network interaction. BRIEF DESCRIPTION OF THE DRAWINGS
[0072] Figure 1 This is a schematic diagram of the structure of a vehicle-pile-gathering-network multi-service coupling interactive system of the present invention. DETAILED DESCRIPTION
[0073] This invention proposes a vehicle-pile-cluster-grid multi-service interactive system. It clarifies the interface functions for information and power interaction between various entities. Furthermore, it integrates the development of the electricity market, carbon trading market, and green electricity trading market, as well as the management requirements of the government charging regulatory platform, to design a transaction mechanism for vehicle-grid interaction and grid participation in market operations and management. To better understand the present invention, the following is a further explanation of the present invention in conjunction with the accompanying drawings and examples.
[0074] Example 1:
[0075] A vehicle-pile-gathering-network multi-service coupling interactive system, such as Figure 1 Shown, including:
[0076] The transaction supervision platform is used to send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform, and receive equipment operation information uploaded by the charging and discharging resource operation platform;
[0077] Charging and discharging equipment and control terminals are used to send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform; charging and discharging are regulated based on the control information of the charging and discharging equipment;
[0078] The charging and discharging resource operation platform is used to generate the best market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the electricity market transaction subject and the market declaration information of the aggregator operating entity, and send it to the charging and discharging equipment and control terminals.
[0079] This embodiment designs a technical architecture for information and power coupling based on three levels: charging and discharging equipment and control terminals, charging and discharging resource operation platform, and transaction supervision platform. It adapts to multiple scenarios and multiple types of market segments, such as aggregator-grid operation control platform, vehicle-aggregator platform, charging pile / station-distribution network local VGI terminal, etc. This architecture satisfies the two-way interaction of charging and discharging information and power between electric vehicles and the power grid, and provides an overall solution for multi-level V2G interactive coordinated control in the power grid.
[0080] Transaction supervision platform, including:
[0081] The power trading system is used to send the dynamic prices of power market transaction objects to the power grid operation control platform through the information and communication coupling interface; and send the power market response assessment results to the aggregator platform;
[0082] The carbon trading system is used to send the dynamic price of carbon emission quotas to the power grid operation control platform through the information and communication coupling interface; and send carbon trading settlement information to the aggregator platform;
[0083] Green certificate trading system, used to send the dynamic price of green certificates to the power grid operation control platform through the information and communication coupling interface; send the green certificate transaction settlement information to the aggregator platform;
[0084] The government regulatory platform is used to exchange information with the power grid operation control platform and the aggregator platform through the information and communication coupling interface.
[0085] The information coupling includes: an information coupling interface CT01 / IT01 from the charging pile / station to the local distribution network, an information coupling interface CT02 / IT02 from the vehicle to the charging pile / station, an information coupling interface CT03 / IT03 from the vehicle to the aggregator, an information coupling interface CT04 / IT04 from the charging pile / station to the aggregator, an information coupling interface CT05 / IT05 from the aggregator to the power grid, an information coupling interface CT06 / IT06 from the local distribution network to the power grid, an information coupling interface CT07 / IT07 from the power grid to the electricity market, the carbon market, the green electricity market and the government regulatory platform, an information coupling interface CT08 / IT08 from the aggregator to the electricity market, the carbon market, the green electricity market and the government regulatory platform, and an information coupling interface CT09 / IT09 between the grid-side VGI module and the existing power grid business system.
[0086] Charging and discharging equipment and control terminals, including:
[0087] The vehicle is used to connect to the charging pile / station through the power coupling interface and send the market declaration information of the electric vehicle to the charging pile / station and the aggregator platform through the information and communication coupling interface;
[0088] Charging piles / stations are used to connect to the local VGI terminal of the distribution network through the power coupling interface and send the market declaration information of electric vehicles and charging piles / stations to the local VGI terminal of the distribution network and the aggregator platform through the information and communication coupling interface;
[0089] The local VGI terminal of the distribution network is used to control the charging and discharging of charging piles / stations and vehicles based on the control information of charging and discharging equipment;
[0090] The market declaration information of the aggregator operator includes: market declaration information of electric vehicles and market declaration information of charging piles / stations;
[0091] The charging and discharging equipment control information includes: charging vehicle information, equipment information, order information, charging start, charging pause, charging resumption and charging stop.
[0092] Charging piles and electric vehicles can receive start-stop control commands from the aggregator platform or the local VGI terminal of the distribution network to perform operations such as instant start charging, scheduled start charging, pause charging, resume charging, and stop charging.
[0093] During the charging and discharging process, the charging pile can perform corresponding actions, set the charging and discharging settings according to the instructions of the BMS and the charge and discharge management system, and read the data provided by the electric vehicle battery management system to dynamically adjust the charging and discharging parameters to complete the charging and discharging process. The charging pile should be able to charge and discharge according to the instructions of the superior.
[0094] The power coupling includes: a power coupling interface PS01 from the charging pile / station to the local distribution network, and a power coupling interface PS02 from the vehicle to the charging pile / station.
[0095] Charging and discharging resource operation platform, including:
[0096] The power grid operation control platform is used to generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operating entity, and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the transaction declaration confirmation information and charging and discharging equipment control information to the aggregator platform;
[0097] The aggregator platform is used to send the market declaration information of the aggregator operating entity to the power grid operation control platform; control the start and stop of charging piles / stations and vehicles based on the charging and discharging equipment control information, and calculate transaction details based on the transaction declaration confirmation information.
[0098] The power grid operation control platform is specifically used for:
[0099] Generate the optimal market transaction strategy and charging and discharging equipment control information based on the operating rules of the power market, the dynamic prices of the power market transaction subject matter, and the market declaration information of the aggregator operator; and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the charging and discharging equipment control information and the transaction declaration information in the optimal market transaction strategy to the aggregator platform;
[0100] Generate the quantity and price of carbon emission allowances to be purchased / sold based on the carbon market's operating rules, the dynamic price of carbon emission allowances, and the market declaration information of the aggregator's operating entity; and send the carbon trading results to the aggregator platform;
[0101] Generate the quantity and price of green certificates to be purchased / sold based on the operating rules of the green electricity market, the dynamic price of green certificates, and the market declaration information of the aggregator's operating entity; and send the green certificate transaction results to the aggregator platform;
[0102] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform;
[0103] Among them, the charging and discharging service resource information includes: equipment identification, name, location, coordinates, service publicity information and status;
[0104] Statistical information includes: cumulative power and cumulative duration;
[0105] Business information includes: authentication, charging start, charging stop and order information.
[0106] The grid operation control platform generates the optimal market operation transaction strategy and charging and discharging equipment control information based on the operating rules and requirements of the power market, the dynamic prices of the transaction subject matter, and the market declaration information of the aggregator's operating entity. It then sends the control information to the corresponding local VGI terminal of the distribution network and sends the transaction declaration confirmation information and control information to the aggregator platform.
[0107] The grid operation control platform generates the quantity and price of carbon emission quotas / green certificates to be purchased / sold based on the operating rules and requirements of the carbon market / green electricity market, the dynamic price of carbon emission quotas / green certificates, and the market declaration information of the aggregator's operating entity, participates in carbon market / green electricity market transactions, conducts performance settlement after the transaction is completed, and sends the transaction results to the aggregator platform;
[0108] In accordance with the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, the power grid operation control platform exchanges data with the charging safety monitoring platform, including electric vehicle charging and discharging service resource information, such as equipment identification, name, location, coordinates, service publicity information and status; statistical information, such as accumulated power and accumulated duration; business information, such as authentication, charging start, charging stop, and order information and settlement.
[0109] Aggregator platforms, specifically for:
[0110] Send the market declaration information received from charging piles / stations and vehicles to the power grid operation control platform;
[0111] Based on the charging and discharging equipment control information and the operating status of the charging pile / station and the vehicle, the target power, start time and end time in the charging and discharging equipment control information are sent to the charging pile / station and the vehicle;
[0112] Generate transaction details based on the power market response assessment results and clearing settlement data, and send the transaction details to the charging piles / stations and vehicles;
[0113] Send the transaction details of carbon trading settlement information to charging piles / stations and vehicles;
[0114] Send the transaction details of the green certificate transaction settlement information to the charging pile / station and vehicle;
[0115] Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform.
[0116] The aggregator platform accumulates the charging and discharging plans of the vehicle-pile resources it represents, exchanges information with the power grid operation and control platform, initiates charging and discharging regulation demands, and then participates in market transactions. It receives the clearing and settlement information from the trading platform and pushes it to the agent users, and is responsible for settlement and reconciliation with the agent users and the power grid company.
[0117] The aggregator platform receives settlement information from the carbon trading / green electricity trading system and sends transaction details to the agent users. Users who have objections to the settlement information can provide feedback through the aggregator platform. If the aggregator platform cannot verify the discrepancy, the feedback information will be uploaded to the carbon trading / green electricity trading system. The results of further verification between the carbon trading / green electricity trading system and the market operation and management agency will be final.
[0118] In accordance with the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, the aggregator platform will exchange data with the charging safety monitoring platform by transmitting electric vehicle charging and discharging service resource information, such as equipment identification, name, location, coordinates, service publicity information and status; statistical information, such as accumulated power, accumulated duration, etc.; business information, such as authentication, charging start, charging stop, and order information and settlement.
[0119] The PS01 grid and pile / station connection and metering interface must provide diversified options based on the resource participation business scenarios.
[0120] The PS02 vehicle-to-pile power interface should support bidirectional power transmission in DC and AC modes.
[0121] The CT01 / IT01 distribution network VGI terminal and the local information interface of the pile / station support local digital communication, identity recognition and information interaction.
[0122] The CT02 / IT02 vehicle-to-charging pile information interface supports DC and AC mode digital communication and identification.
[0123] The CT03 / IT03 vehicle-to-aggregator (car manufacturer) interface enables charging and discharging process control through the vehicle side.
[0124] CT04 / IT04 pile / station-aggregator interface, which controls the charging and discharging process through the charging pile / station.
[0125] CT05 / IT05 aggregator-grid VGI system interface enables communication and information exchange between aggregators and the grid.
[0126] The CT06 / IT06 distribution network VGI terminal interfaces with the grid-side VGI system to achieve cloud-edge collaborative control and information closed loop.
[0127] The CT07 / IT07 power grid operation control platform interfaces with the power market system, carbon trading system, green electricity trading system, and government regulatory platform, supporting the upgrade of VGI aggregation trading functions.
[0128] The CT08 / IT08 aggregator platform interfaces with the power market system, carbon trading system, green electricity trading system and government regulatory platform, supporting the upgrade of VGI aggregation trading functions.
[0129] The CT09 / IT09 grid-side VGI module interfaces with the existing grid business system, supporting the upgrade and expansion of existing grid services and VGI-related services.
[0130] This invention combines the technical status of relevant entities in vehicle-grid interaction, simplifies the system architecture of DERMS, and has the advantages of flexibility and scalability. It not only meets the current needs of the initial stage of electric vehicles with small scale and low requirements for the temporal and spatial accuracy of vehicle-grid interaction response, but also has the scalability of the architecture to meet the future needs of large-scale development of vehicle-grid interaction; it adds a way for vehicle-grid interaction to participate in market transactions, which provides a way for various entities to participate in market transactions and make profits, which is conducive to stimulating the enthusiasm of various entities to participate, positively stimulating the upgrading and iteration of vehicle-grid interaction technology, further promoting the large-scale development of electric vehicles, and helping to achieve the dual carbon goals.
[0131] Example 2:
[0132] A vehicle-pile-gathering-network multi-service coupling interaction method, comprising:
[0133] Step 1: Send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform;
[0134] Step 2: Send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform;
[0135] Step 3: Generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operating entity.
[0136] In step 1, the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates are sent to the charging and discharging resource operation platform, specifically including:
[0137] The dynamic price of the subject matter of power market transactions is sent to the power grid operation control platform through the information and communication coupling interface; the power market response assessment results are sent to the aggregator platform;
[0138] The dynamic price of carbon emission quotas is sent to the power grid operation control platform through the information and communication coupling interface; the carbon trading settlement information is sent to the aggregator platform;
[0139] The dynamic price of green certificates is sent to the power grid operation control platform through the information and communication coupling interface; the green certificate transaction settlement information is sent to the aggregator platform;
[0140] Information is exchanged with the power grid operation control platform and aggregator platform through the information and communication coupling interface.
[0141] In step 2, the market declaration information of the aggregator operating entity is sent to the charging and discharging resource operation platform, specifically including:
[0142] Electric vehicles are connected to charging piles / stations, and the electric vehicles and charging piles exchange charging and discharging vehicle information, operation information, charging and discharging power, SOC, etc.;
[0143] When the vehicle's battery management system enters the dormant stage, the charging station uses non-manual technical measures to automatically wake up the vehicle and remotely start the charging equipment;
[0144] The charging pile reports charging equipment operation information such as charging gun status, charging gun output voltage, current, power, and electric vehicle BMS status information to the local VGI terminal of the distribution network;
[0145] The charging pile reports the charging vehicle information, equipment information, order information, charging start, pause, resume, stop and other control information and charging and discharging power control information to the aggregator platform;
[0146] After receiving the corresponding control information, the VGI terminal regulates the charging facilities under control. When abnormalities or faults such as communication anomalies, overload of the substation, overvoltage or undervoltage of the charging station and its energy storage equipment, or on-board battery of electric vehicles, or power supply failure of the charging station occur, the terminal should promptly issue an alarm signal, record the alarm event, and report it to the power grid operation control platform.
[0147] During the charging and discharging process, the charging pile can perform corresponding actions, set the charging and discharging settings according to the instructions of the BMS and the charge and discharge management system, and read the data provided by the electric vehicle battery management system to dynamically adjust the charging and discharging parameters to complete the charging and discharging process. The charging pile should be able to charge and discharge according to the instructions of the superior;
[0148] Charging piles and electric vehicles can receive start / stop control commands from the aggregator platform or the local VGI terminal of the distribution network to perform operations such as instant start charging, scheduled start charging, pause charging, resume charging, and stop charging;
[0149] The AC charging pile should be able to receive power adjustment commands from the aggregator platform or the local VGI terminal of the distribution network, and notify the on-board charger to adjust the charging power by adjusting the duty cycle of the PWM waveform output by the charging pile on the CP line;
[0150] The non-on-board conductive charger should be able to receive power adjustment commands from the aggregator platform or the local VGI terminal of the distribution network, and adjust according to the minimum value of the charger's maximum output capacity, vehicle demand and power adjustment command to achieve output power adjustment function.
[0151] Among them, VGI terminals participating in the dispatch of the power grid operation control platform should report the charging and discharging plan curve for the next period of time according to the dispatch needs. The charging and discharging plan of the control terminal should be the accumulation of the charging and discharging plans of the managed resources;
[0152] In step 3, based on the dynamic price of the electricity market transaction subject matter and the market declaration information of the aggregator operating entity, the optimal market operation transaction strategy and charging and discharging equipment control information are generated, specifically including:
[0153] The aggregator platform receives resource information, operating data, and charging plans reported by the charging facilities it operates and aggregates, and reports the charging facility ledger data, operating data, and declaration data to the power grid operation control platform;
[0154] The grid operation control platform generates the optimal market operation transaction strategy and charging and discharging equipment control information based on the operating rules and requirements of the power market, the dynamic prices of the transaction subject matter, and the market declaration information of the aggregator. After decomposing the control information among various entities, the grid operation control platform sends the necessary information such as the overall charging power target value, the overall discharging power target value, and the control duration to the corresponding local VGI terminal of the distribution network; and sends the transaction declaration confirmation information and control information to the aggregator platform.
[0155] The grid operation control platform generates the quantity and price of carbon emission quotas to be purchased / sold based on the operating rules and requirements of the carbon market, the dynamic price of carbon emission quotas, and the market declaration information of the aggregator's operating entity, participates in carbon market transactions, conducts performance settlement after the transaction is completed, and sends the transaction results to the aggregator platform;
[0156] The grid operation control platform generates the quantity and price of green certificates to be purchased / sold based on the operating rules of the green electricity market and the dynamic price of green certificates, as well as the market declaration information of the aggregator's operating entity, participates in green certificate transactions, conducts settlement after the transaction is completed, and sends the transaction results to the aggregator platform;
[0157] The grid operation control platform, in accordance with the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, exchanges data with the charging safety monitoring platform, including electric vehicle charging and discharging service resource information, such as device identification, name, location, coordinates, service publicity information and status; statistical information, such as accumulated power and accumulated duration; business information, such as authentication, charging start, charging stop, and order information and settlement;
[0158] After receiving the control information from the power grid operation control platform, the aggregator platform decomposes the control quantity among the proxy users according to the real-time operation status of the proxy subject resources, and sends the control target power, control start time, control end time, etc. to the charging piles and electric vehicles in real time to complete the response to the control instructions;
[0159] The grid operation control platform reconciles the equipment charging and discharging information reported by the VGI terminal with the clearing information of the power trading system, carbon trading system, and green power trading system, and sends the response assessment results of the aggregator entity, the aggregator platform control data, and the clearing settlement data to the aggregator platform;
[0160] The aggregator platform generates transaction details based on the power market response assessment results and clearing settlement data, and sends the transaction details to the agent users. Users who have objections to the response results can provide feedback through the aggregator platform. If the aggregator platform cannot verify the discrepancy, the feedback information will be further uploaded to the power grid operation control platform. The results of further verification between the power grid operation control platform and the market operation management agency shall prevail.
[0161] The aggregator platform receives the settlement information from the carbon trading system and sends the transaction details to the agent users. Users who have objections to the settlement information can provide feedback through the aggregator platform. If the aggregator platform cannot verify the discrepancy, the feedback information will be uploaded to the carbon trading system. The results will be subject to further verification by the carbon trading system and the market operation and management agency.
[0162] The aggregator platform receives the settlement information from the green electricity trading system and sends the transaction details to the agent users. Users who have objections to the settlement information can provide feedback through the aggregator platform. If the aggregator platform cannot verify the discrepancy, it will upload the feedback information to the green electricity trading system. The result will be subject to further verification by the green electricity trading system and the market operation and management agency.
[0163] In accordance with the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, the aggregator platform exchanges data with the charging safety monitoring platform, including electric vehicle charging and discharging service resource information, such as device identification, name, location, coordinates, service publicity information and status; statistical information, such as accumulated power and accumulated duration; business information, such as authentication, charging start, charging stop, and order information and settlement;
[0164] The aggregator platform reports the charging and discharging plan curve for the next period of time based on scheduling needs. For example, the curve for the next day may be reported in the day-ahead format, or the curve for the next hour may be reported in real time. The charging and discharging plan of the aggregator platform should be the accumulation of the charging and discharging plans of all aggregated resources.
[0165] If the aggregator platform participates in the dispatch of the power grid operation control platform, it should report the charging and discharging plan curve for the next period of time according to the dispatch requirements, for example: reporting the curve for the next day in advance, reporting the curve for the next hour in real time, etc. The charging and discharging plan of the aggregator platform should be derived from the accumulation of the charging and discharging plans of various resources it operates. The information of various resource entities will be actively pushed to the aggregator platform when they interact for the first time or change;
[0166] The aggregator platform and the local VGI terminal of the distribution network are capable of collecting substation load information. When there is no need for grid regulation, they can interact with the substation on-site and dynamically adjust the resource charging and discharging status according to the substation load status.
[0167] It will be understood by those skilled in the art that embodiments of the present invention may be provided as methods, systems, or computer program products. Thus, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
[0168] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowcharts and / or block diagrams, as well as combinations of processes and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowcharts and / or block diagrams. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.
[0169] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.
[0170] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.
[0171] The above are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are included in the scope of the claims of the present invention to be approved.
Claims
1. A vehicle-pile-gathering-network multi-service coupling interactive system, characterized by: include: The transaction supervision platform is used to send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform, and receive equipment operation information uploaded by the charging and discharging resource operation platform; Charging and discharging equipment and control terminals are used to send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform; charging and discharging are regulated based on the control information of the charging and discharging equipment; The charging and discharging resource operation platform is used to generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operation entity, and distribute it to the charging and discharging equipment and control terminals; The transaction supervision platform includes: The power trading system is used to send the dynamic prices of power market transaction objects to the power grid operation control platform through the information and communication coupling interface; and send the power market response assessment results to the aggregator platform; The carbon trading system is used to send the dynamic price of carbon emission quotas to the power grid operation control platform through the information and communication coupling interface; and send carbon trading settlement information to the aggregator platform; Green certificate trading system, used to send the dynamic price of green certificates to the power grid operation control platform through the information and communication coupling interface; send the green certificate transaction settlement information to the aggregator platform; The government regulatory platform is used to exchange information with the power grid operation control platform and the aggregator platform through the information and communication coupling interface; The charging and discharging equipment and control terminal include: The vehicle is used to connect to the charging pile or station through the power coupling interface and send the market declaration information of the electric vehicle to the charging pile or station and the aggregator platform through the information and communication coupling interface; Charging piles or stations are used to connect to the local VGI terminal of the distribution network through the power coupling interface and send the market declaration information of electric vehicles and charging piles or stations to the local VGI terminal of the distribution network and the aggregator platform through the information and communication coupling interface; The local VGI terminal of the distribution network is used to regulate the charging and discharging of charging piles or stations and vehicles based on the control information of charging and discharging equipment; The market declaration information of the aggregator operator includes: market declaration information of electric vehicles and market declaration information of charging piles or stations; Charging and discharging equipment control information includes: charging vehicle information, equipment information, order information, charging start, charging pause, charging resumption and charging stop; The charging and discharging resource operation platform includes: The power grid operation control platform is used to generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operating entity, and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the transaction declaration confirmation information and charging and discharging equipment control information to the aggregator platform; The aggregator platform is used to send the market declaration information of the aggregator operating entity to the power grid operation control platform; control the start and stop of charging piles or stations and vehicles based on the charging and discharging equipment control information, and calculate transaction details based on the transaction declaration confirmation information.
2. The system according to claim 1, characterized in that The power grid operation control platform is specifically used for: Generate the optimal market transaction strategy and charging and discharging equipment control information based on the operating rules of the power market, the dynamic prices of the power market transaction subject matter, and the market declaration information of the aggregator operator; and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the charging and discharging equipment control information and the transaction declaration information in the optimal market transaction strategy to the aggregator platform; Generate the quantity and price of carbon emission allowances to be purchased or sold based on the carbon market's operating rules, the dynamic price of carbon emission allowances, and the market declaration information of the aggregator's operating entity; and send the carbon trading results to the aggregator platform; Generate the quantity and price of green certificates to be purchased or sold based on the operating rules of the green electricity market, the dynamic price of green certificates and the market declaration information of the aggregator; and send the green certificate transaction results to the aggregator platform; Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform; Among them, the charging and discharging service resource information includes: equipment identification, name, location, coordinates, service publicity information and status; Statistical information includes: cumulative power and cumulative duration; Business information includes: authentication, charging start, charging stop and order information.
3. The system according to claim 1, characterized in that The aggregator platform is specifically used to: Send the market declaration information received from charging piles or stations and vehicles to the power grid operation control platform; Based on the charging and discharging equipment control information and the operating status of the charging pile or station and the vehicle, the target power, start time and end time in the charging and discharging equipment control information are sent to the charging pile or station and the vehicle; Generate transaction details based on the power market response assessment results and clearing settlement data, and send the transaction details to the charging pile or station and vehicle; Send the transaction details of carbon trading settlement information to the charging pile or station and the car; Send the transaction details of the green certificate transaction settlement information to the charging pile or station and the car; Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform.
4. A vehicle-pile-gathering-network multi-service coupling interaction method, characterized in that: include: Send the dynamic prices of electricity market transaction objects, carbon emission quotas and green certificates to the charging and discharging resource operation platform; Send the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform; Generate optimal market operation transaction strategies and charging and discharging equipment control information based on the dynamic prices of electricity market transaction objects and market declaration information of aggregator operators; The said sending of the dynamic prices of the electricity market transaction subject matter, carbon emission quotas and green certificates to the charging and discharging resource operation platform includes: The dynamic price of the subject matter of power market transactions is sent to the power grid operation control platform through the information and communication coupling interface; the power market response assessment results are sent to the aggregator platform; The dynamic price of carbon emission quotas is sent to the power grid operation control platform through the information and communication coupling interface; the carbon trading settlement information is sent to the aggregator platform; The dynamic price of green certificates is sent to the power grid operation control platform through the information and communication coupling interface; the green certificate transaction settlement information is sent to the aggregator platform; Exchange information with the power grid operation control platform and aggregator platform through the information and communication coupling interface; The sending of the market declaration information of the aggregator operating entity to the charging and discharging resource operation platform includes: Sending the market declaration information of electric vehicles to charging piles or stations and aggregator platforms through the information and communication coupling interface; Send market declaration information of electric vehicles and charging piles or stations to local VGI terminals and aggregator platforms of distribution networks through information and communication coupling interfaces; regulate the charging and discharging of charging piles or stations and vehicles based on the control information of charging and discharging equipment; The market declaration information of the aggregator operator includes: market declaration information of electric vehicles and market declaration information of charging piles or stations; Charging and discharging equipment control information includes: charging vehicle information, equipment information, order information, charging start, charging pause, charging resumption and charging stop; The generation of the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the transaction subject and the market declaration information of the aggregator operation entity includes: Generate the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the power market transaction subject and the market declaration information of the aggregator operator, and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the transaction declaration confirmation information and charging and discharging equipment control information to the aggregator platform; The market declaration information of the aggregator operating entity is sent to the power grid operation control platform; the start and stop of charging piles or stations and vehicles are controlled based on the charging and discharging equipment control information, and the transaction details are calculated based on the transaction declaration confirmation information.
5. The method according to claim 4, characterized in that: The method generates the optimal market operation transaction strategy and charging and discharging equipment control information based on the dynamic price of the transaction subject and the market declaration information of the aggregator operating entity, sends the charging and discharging equipment control information to the local VGI terminal of the distribution network, and sends the transaction declaration confirmation information and the charging and discharging equipment control information to the aggregator platform, including: Generate the optimal market transaction strategy and charging and discharging equipment control information based on the operating rules of the power market, the dynamic prices of the power market transaction subject matter, and the market declaration information of the aggregator operator; and send the charging and discharging equipment control information to the local VGI terminal of the distribution network, and send the charging and discharging equipment control information and the transaction declaration information in the optimal market transaction strategy to the aggregator platform; Generate the quantity and price of carbon emission allowances to be purchased or sold based on the carbon market's operating rules, the dynamic price of carbon emission allowances, and the market declaration information of the aggregator's operating entity; and send the carbon trading results to the aggregator platform; Generate the quantity and price of green certificates to be purchased or sold based on the operating rules of the green electricity market, the dynamic price of green certificates and the market declaration information of the aggregator; and send the green certificate transaction results to the aggregator platform; Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform; Among them, the charging and discharging service resource information includes: equipment identification, name, location, coordinates, service publicity information and status; Statistical information includes: cumulative power and cumulative duration; Business information includes: authentication, charging start, charging stop and order information.
6. The method according to claim 4, characterized in that: The market declaration information of the aggregator operating entity is sent to the power grid operation control platform; Control the start and stop of charging piles or stations and vehicles based on the control information of charging and discharging equipment, and calculate transaction details based on transaction declaration confirmation information, including: Send the market declaration information received from charging piles or stations and vehicles to the power grid operation control platform; Based on the charging and discharging equipment control information and the operating status of the charging pile or station and the vehicle, the target power, start time and end time in the charging and discharging equipment control information are sent to the charging pile or station and the vehicle; Generate transaction details based on the power market response assessment results and clearing settlement data, and send the transaction details to the charging pile or station and vehicle; Send the transaction details of carbon trading settlement information to the charging pile or station and the car; Send the transaction details of the green certificate transaction settlement information to the charging pile or station and the car; Based on the requirements of government regulatory authorities and the data access specifications of the charging safety monitoring platform, electric vehicle charging and discharging service resource information, statistical information, and business information are sent to the government regulatory platform.
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