Power load measurement and control system and method and storage medium

By designing a power load measurement and control system, using the combination of circuit breakers, transformers, branch devices, intelligent measurement terminals and main station systems, remote signaling, telemetry and remote control of the power load circuit are realized, which solves the problem of lack of unified management and regulation in the existing system, and improves the new energy consumption capacity and the management level of the power system.

CN119765651APending Publication Date: 2025-04-04GUANGDONG POWER GRID CO LTD +1
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Patent Information

Application Number
CN202411961788.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The existing power load management system lacks unified management, unified regulation and unified services for the entire grid's power load resources, making it difficult to achieve scientific, accurate and rapid load regulation, and cannot effectively support the absorption of new energy under the new power system.

Method used

A power load measurement and control system is designed, including circuit breakers, transformers, branch devices, intelligent measurement terminals and main station systems. Through the electrical connection and communication connection of these components, remote signaling, telemetry and remote control of load circuits are realized, supporting the unified management and regulation of various rigid and flexible adjustable load resources.

Benefits of technology

The comprehensive remote signaling, telemetry and remote control of the power load circuit have been achieved, the lean level of power load management has been improved, the ability to absorb new energy under the new power system has been enhanced, and the scientific and reasonable planning and optimized configuration of the power system has been supported.

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Abstract

The embodiment of the invention discloses a power load measurement and control system and method and a storage medium. The system comprises a circuit breaker, a mutual inductor, a branch device, an intelligent measurement terminal and a main station system. The circuit breaker and the mutual inductor are electrically connected with the branch device, the branch device is electrically connected with the intelligent measurement terminal, and the intelligent measurement terminal is in communication connection with the main station system. The branch device collects the position and the opening and closing state of the circuit breaker, the online state of the mutual inductor and power information, transmits the information to the intelligent measurement terminal, and uploads the information to the master station system through the intelligent measurement terminal, so that the master station system carries out remote signaling, remote measurement and remote control on the circuit breaker and the mutual inductor. The master station system issues a control instruction, the control instruction is fed back to the branch device through the intelligent measurement terminal, the branch device controls the circuit breaker to execute the control instruction, and remote control over the circuit breaker by the master station system is achieved. According to the scheme, remote signaling, remote measurement and remote control of the load loop are realized, and the new energy consumption capability under the construction of a novel power system is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of power systems, and in particular to a power load measurement and control system, method and storage medium. Background Art

[0002] With the rapid development of my country's economy, the power load is increasing, and people are more and more concerned about the quality of power, so the pressure on power load management is gradually increasing. In order to ensure production safety and continuous and stable power supply, a reasonable management system and a fully automated power load management system should be established to carry out scientific and reasonable planning, effectively coordinate the power generation, power supply and power consumption system equipment in the power system, and achieve optimal allocation of power resources, which can ultimately achieve the social benefits of resource optimization.

[0003] At present, the research on power load management system at home and abroad mainly stays in the correction of load curve of power grid by power load control device, so that it changes evenly, balances power supply and demand, maximizes the stability, safety and reliability of power grid power supply, prolongs the service life of power facilities, and improves the interests of both power supply and demand parties, but lacks unified management, unified regulation and unified service of power load resources in the whole network. It is necessary to develop a new measurement and control method for power load management system, which can realize more scientific, accurate and rapid load regulation, effectively improve the level of lean load management, and provide important support for ensuring the access and consumption of large-scale new energy such as wind, light and storage under the new power system. Summary of the invention

[0004] The embodiments of the present application provide a power load measurement and control system, method and storage medium to achieve remote signaling, remote measurement and remote control of load circuits, comprehensively support the unified management, regulation and service guarantee of various rigid and flexible adjustable load resources, and enhance the new energy absorption capacity under the construction of new power systems.

[0005] According to one aspect of the present application, a power load measurement and control system is provided, the system comprising: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system;

[0006] The branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, which is then uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system;

[0007] The master station system issues a control instruction, which is fed back to the branch device via the intelligent measurement terminal. The branch device controls the circuit breaker to execute the control instruction, thereby realizing remote control of the circuit breaker by the master station system.

[0008] According to one aspect of the present application, a method for measuring and controlling an electric load is provided, which is applied to the electric load measuring and controlling system described in any embodiment of the present application, the system comprising: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; the method comprises:

[0009] The branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, which is then uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system;

[0010] The master station system issues a control instruction, which is fed back to the branch device via the intelligent measurement terminal. The branch device controls the circuit breaker to execute the control instruction, thereby realizing remote control of the circuit breaker by the master station system.

[0011] According to another aspect of the present application, a computer-readable storage medium is provided, which stores computer instructions, and the computer instructions are used to implement the model training method of any embodiment of the present application when executed by a processor.

[0012] The technical solution of the embodiment of the present application provides a power load measurement and control system, which includes: the system includes: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; the branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information, and transmits them to the intelligent measurement terminal, which is uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system; the master station system issues a control instruction, which is fed back to the branch device through the intelligent measurement terminal, and the branch device controls the circuit breaker to execute the control instruction, so as to realize the remote control of the circuit breaker by the master station system. The above scheme realizes the remote signaling, remote measurement and remote control of the load circuit, comprehensively supports the unified management, regulation and service guarantee of various rigid and flexible adjustable load resources, and improves the new energy consumption capacity under the construction of new power systems.

[0013] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present application, nor is it intended to limit the scope of the present application. Other features of the present application will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 A structural diagram of a power load measurement and control system provided in an embodiment of the present application;

[0016] Figure 2 A structural diagram of a power load measurement and control system provided in another embodiment of the present application;

[0017] Figure 3 A flow chart of a method for measuring and controlling electric load provided in an embodiment of the present application;

[0018] Figure 4 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0020] It should be noted that the terms "first", "second", "third", "fourth", "actual", "preset", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0021] Figure 1 This is a structural diagram of a power load measurement and control system provided in an embodiment of the present application. The embodiment of the present application can be applied to the situation of measuring and controlling the power system. Figure 1 As shown, the system includes:

[0022] A circuit breaker 110, a transformer 120, a branch device 130, an intelligent measurement terminal 140 and a master station system 150; the circuit breaker 110 and the transformer 120 are electrically connected to the branch device 130 respectively, the branch device 130 is electrically connected to the intelligent measurement terminal 140, and the intelligent measurement terminal 140 is communicatively connected to the master station system 150;

[0023] The branch device 130 collects the position and opening and closing status of the circuit breaker 110, the online status of the transformer 120 and the power information, and transmits them to the intelligent measurement terminal 140, and uploads them to the master station system 150 through the intelligent measurement terminal 140, so as to realize the remote signaling and remote measurement of the circuit breaker 110 and the transformer 120 by the master station system 150;

[0024] The master station system 150 issues a control instruction, which is fed back to the branch device 130 via the intelligent measurement terminal 140 . The branch device 130 controls the circuit breaker 110 to execute the control instruction, thereby realizing the remote control of the circuit breaker 110 by the master station system 150 .

[0025] Among them, the circuit breaker is a switching device that can close, carry and break the current under normal circuit conditions, and close, carry and break the current under abnormal circuit conditions within a specified time. It is widely used in power systems to distribute electric energy, start motors, protect power lines and motors, etc. When the circuit fails such as overload, short circuit or undervoltage, the circuit breaker can automatically cut off the circuit to protect the safety of equipment and personnel. The mutual inductor is an electronic component used to detect current, voltage and power, and is an indispensable device in the power system. It can convert high voltage into low voltage and large current into small current, so as to facilitate the standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment.

[0026] The branch device in the present application integrates the functions of collecting the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information, and integrates the function of controlling the circuit breaker according to the control instructions forwarded by the intelligent measurement terminal. After the branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information, it sends the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information to the intelligent measurement terminal, and the intelligent measurement terminal sends the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information to the master station system, so as to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system.

[0027] The intelligent measuring terminal, branch device, circuit breaker and transformer can be devices in one field. The intelligent measuring terminal and branch device, the branch device and circuit breaker, transformer can be connected by wired or wireless communication, for example, they can be in the same local area network to achieve communication. The master station system can be a remote system to perform remote signaling, remote measurement and remote control at the remote end. The master station system can communicate with the intelligent measuring terminal by wireless communication.

[0028] The master station system can send control instructions to the intelligent measuring terminal according to actual conditions. The intelligent measuring terminal forwards the control instructions to the branch device. The branch device controls the circuit breaker to execute the control instructions to open and close the circuit breaker, thereby realizing remote control of the circuit breaker by the master station system.

[0029] The technical solution of the embodiment of the present application provides a power load measurement and control system, which includes: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; the branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and the power information, and transmits them to the intelligent measurement terminal, which is uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system; the master station system issues a control instruction, which is fed back to the branch device through the intelligent measurement terminal, and the branch device controls the circuit breaker to execute the control instruction, so as to realize the remote control of the circuit breaker by the master station system. The above scheme realizes the remote signaling, remote measurement and remote control of the load circuit, comprehensively supports the unified management, regulation and service guarantee of various rigid and flexible adjustable load resources, and improves the new energy consumption capacity under the construction of new power systems.

[0030] As a non-limiting implementation, the branch device includes at least one information acquisition module, a first storage unit, a first interface unit and a command execution module, the information acquisition module is electrically connected to the first storage unit, and the first storage unit is electrically connected to the first interface unit and the command execution module respectively;

[0031] The intelligent measurement terminal includes a second interface unit, a second storage unit, a control module and a communication module. The second interface unit is electrically connected to the second storage unit, the second storage unit is electrically connected to the control module, and the control module is electrically connected to the communication module.

[0032] For example, Figure 2 As shown, the branch device 130 includes at least one information acquisition module 131, a first storage unit 132, a first interface unit 133 and a command execution module 134, the information acquisition module 131 is electrically connected to the first storage unit 132, and the first storage unit 132 is electrically connected to the first interface unit 133 and the command execution module 134 respectively;

[0033] The intelligent measurement terminal 140 includes a second interface unit 141, a second storage unit 142, a control module 143 and a communication module 144. The second interface unit 141 is electrically connected to the second storage unit 142, the second storage unit 142 is electrically connected to the control module 143, and the control module 143 is electrically connected to the communication module 144.

[0034] As a non-limiting implementation method, the at least one information acquisition module is used to respectively acquire the position and opening and closing state of the circuit breaker and the online state and power information of the transformer, so as to realize the integration of the information acquisition modules and the centralized acquisition of the position and opening and closing state of the circuit breaker and the online state and power information of the transformer;

[0035] The first storage unit is used to store the position and opening and closing status of the circuit breaker and the online status and power information of the transformer;

[0036] The first interface unit is used to transmit the position and opening and closing status of the circuit breaker and the online status and power information of the transformer to the second interface unit of the intelligent measurement terminal;

[0037] The command execution module is used to receive the control instruction fed back by the intelligent measurement terminal, and control the circuit breaker to execute the control instruction;

[0038] The second interface unit is used to receive the position and opening and closing status of the circuit breaker and the online status and power information of the transformer sent by the first interface unit in the branch device;

[0039] The second storage unit is used to store the position and opening and closing state of the circuit breaker and the online state and power information of the transformer received by the second interface unit;

[0040] The communication module is used for communicating with the master station system.

[0041] The transmission channel of the communication module can adopt wireless public network (2G / 3G / 4G / 5G, etc.), Ethernet, optical fiber, etc. The wireless public network 2G / 3G / 4G full network communication module used should be equipped with 2 RJ-45 interfaces, and the 5G communication module should be equipped with at least 1 RJ-45 interface, and the transmission rate should be 10 / 100Mbit / s full-duplex.

[0042] As a non-limiting implementation method, the master station system is specifically used to send an opening instruction or a closing instruction to the intelligent measuring terminal, and the intelligent measuring terminal forwards the opening instruction or the closing instruction to the branch device, and the branch device controls the circuit breaker to open or close;

[0043] The branch device is specifically used to send a circuit breaker position change alarm to the intelligent measuring terminal, and then send the alarm to the master station system through the intelligent measuring terminal, and the master station system reads the status information of the circuit breaker.

[0044] As a non-limiting implementation method, the intelligent measuring terminal is also used to, if receiving an opening instruction sent by the master station system, the circuit breaker is in an opening state and the duration reaches a preset opening time, send a closing instruction to the branch device, and the branch device controls the circuit breaker to close; or,

[0045] The intelligent measuring terminal monitors the communication status with the master station system through heartbeat communication. If the communication status with the master station system is detected to be abnormal, a closing instruction is sent to the branch device, and the branch device controls the circuit breaker to close; or

[0046] After the intelligent measuring terminal is reset, a closing instruction is sent to the branch device, and the branch device controls the circuit breaker to close.

[0047] As a non-limiting implementation method, the intelligent measurement terminal and the branch device are both powered by AC three-phase four-wire or three-phase three-wire; under the condition of three-phase four-wire power supply, when the phase line and the neutral line are interrupted and one or two lines of voltage are maintained, the power load measurement and control system works normally;

[0048] In the case of three-phase three-wire power supply and one-line voltage interruption between the phase line and the neutral line, the electric power load measurement and control system operates normally.

[0049] As a non-limiting implementation method, the transformer is an open-type transformer. For an external current transformer with an Ethernet interface, the three-phase integrated transformer plug outlet is connected to the socket of the branch device to achieve installation; for an external current transformer with a six-core Phoenix terminal plug, the six-core Phoenix terminal plug of the three-phase current transformer is inserted into the six-core Phoenix terminal socket of the branch device to achieve installation.

[0050] As a non-limiting implementation method, the branch device includes a one-way control branch device and a four-way control branch device. The one-way control branch device has two-way two-terminal remote signaling and one-way three-terminal remote control functions, and the four-way control branch device has five-way two-terminal remote signaling and four-way three-terminal remote control functions.

[0051] Among them, a safe power supply can be selected for power supply: power supply: single-phase 220V±10%; 50Hz±0.5Hz; intelligent precision 0.1-level high-power three-phase digital intelligent load device, output waveform distortion is better than 0.5%; output stability is better than 0.05% / 3 minutes; meet the basic requirements of load device stability, anti-interference, and high reliability; output voltage: 3×57.7 / 100 / 220 / 380V can be adjusted and switched arbitrarily and has phase adjustment capability, adjustment fineness 0.1V, adjustment range 0-120%; output capacity 100VA / phase; current setting gear: 0-5A can be adjusted arbitrarily and has phase adjustment capability Adjustment capability, adjustment fineness 0.1% × gear; adjustment amplitude range 0-120%; output capacity 100VA / phase; output frequency: arbitrarily adjustable between 45Hz~65Hz, adjustment fineness 0.1Hz; meet the requirements of frequency influence on carrier meter reading fault test and experiment; output phase: arbitrarily adjustable between 0~359.9°, adjustment fineness 0.1°, meet the adjustable capacitance, inductance, resistance, power factor linear adjustable, meet the three-phase voltage and three-phase current unbalanced output function; output power: voltage 100VA / phase, current 100VA / phase, stability ≤0.05% / 3 minutes, starting power accuracy ≤5%. The safe power supply can ensure its stability and reliability during use. The application of safe power supply can effectively reduce the probability of safety accidents in the power system and improve the operation stability of the system. In addition, the equipment is also equipped with complete safety protection measures, such as overload protection, short circuit protection, etc., to further ensure the safety of the equipment. These safety protection measures have an efficient and accurate response speed, and can take timely measures when abnormal situations occur in the system to avoid accidents and ensure the safety of equipment and power systems.

[0052] On the basis of the above embodiments, a specific structure and wiring method of an electric load measurement and control system is provided. The specific structure and wiring method of the electric load system can play the role of teaching and training wiring, and improve the labor skills and professional level of operators, specifically:

[0053] (1) Voltage interface connection method

[0054] Connect the on-site voltage lines to the instrument respectively. The voltage cables are crimped and fastened with screws. The center distance between the voltage terminals is not less than 9mm.

[0055] (2) Open-type transformer connection method

[0056] For an external open-type current transformer with a secondary current of 3×12.5(100)mA, an external current transformer with an RJ45 interface should be used. Connect the three-phase integrated transformer plug outlet to the socket of the branch device to complete the installation;

[0057] For external open-type current transformers with secondary current of 3×0.4(2.4)m A, an external current transformer with a six-core Phoenix terminal plug should be used. The spacing between the six-core Phoenix terminals is 5.08mm. The Phoenix terminals and the secondary side cables of the current transformer are already assembled at the factory and do not need to be rewired. Insert the six-core Phoenix terminal plug of the three-phase current transformer into the six-core Phoenix terminal socket of the branch device to complete the installation;

[0058] (3) Signal output

[0059] Operation indicator light: Use high-brightness, long-life green LED, flashing after power-on, frequency is 1Hz, the indicator light diameter is not less than 5mm.

[0060] Trip indicator light: Use high-brightness, long-life red LED, which is off at normal times and lights up when tripping. It flashes when a control circuit break is detected. The indicator light diameter is not less than 5mm.

[0061] Alarm indicator light: Use high-brightness, long-life red LED, which is off at ordinary times and lights up when an alarm is issued. The diameter of the indicator light is not less than 5mm.

[0062] Remote signal indicator light: Use high-brightness, long-life red and green dual-color LED. The green LED lights up when the remote signal is normally open, and the red LED lights up when the remote signal is closed. The indicator light diameter is not less than 5mm.

[0063] Four-way control load management branch device, each control needs to have independent opening indicator light and remote signal indicator light

[0064] (4) Communication interface

[0065] It should have at least one RS485 interface, and the baud rate range of the communication port is 1200bps to 9600bps, with the default being 2400bps. The RS485 input is crimped and fastened with screws, and the center spacing between the terminals is not less than 6mm. The center spacing between RS485 and other functional terminals is not less than 9mm.

[0066] (5) Power supply interface

[0067] The load management branch device is powered by the on-site voltage line. If any two lines are greater than 0.6Unom, they can work normally. The power supply working range is 0.7Unom ~ 1.3Unom.

[0068] (6) Remote signaling and remote control

[0069] One load management branch device should have two double-terminal remote signals and one three-terminal remote control interface function.

[0070] The four-way control load management branch device should have 5-way two-terminal remote signaling and 4-way three-terminal remote control interface functions.

[0071] The remote signal terminal is crimped and fastened with screws. The center spacing between the terminals is not less than 6mm, and the center spacing between the remote signal input and other functional terminals is not less than 9mm. The remote signal input should adopt a passive node mode. When the external contact connected to the remote signal terminal is closed, it means that the remote signal level is valid. When the external contact is disconnected, the remote signal level is invalid. The remote signal drive power supply is provided by the load management branch device body. The remote signal input should have an anti-shake function. The anti-shake time can be configured (5 to 1000 milliseconds can be set), and the default is 500ms. The first remote signal terminal is connected to the metering automation terminal remote signal. The second remote signal terminal is connected to the auxiliary contact of the molded case circuit breaker to monitor the tripping status of the molded case circuit breaker.

[0072] The remote control terminal is crimped and fastened with screws. The center distance between the terminals is not less than 6mm, and the center distance between the remote control output and other functional terminals is not less than 9mm. The remote control output adopts a three-terminal passive node method. Each contact has two modes: normally open and normally closed. The contact breaking capacity is a pure resistance load of AC 250V / 10A or DC 30V / 10A. The relay can be configured as a level output or a pulse action output. The default pulse output is adopted, with a pulse width of 300ms±100ms and a pulse sending time interval of 60s.

[0073] (7) The terminal function description of the one-way load management branch device is shown in Table 1. The terminal function description of the four-way load management branch device is shown in Table 2.

[0074] Table 1

[0075]

[0076]

[0077] Table 2

[0078]

[0079]

[0080]

[0081] Figure 3 A flow chart of a power load measurement and control method provided in an embodiment of the present application. Details not described in detail in the embodiments of the present application can be found in the above embodiments. A power transmission equipment monitoring method provided in an embodiment of the present application is applied to the power load measurement and control system described in any of the above embodiments, the system comprising: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; details not described in detail in the embodiments of the present application can be found in the above embodiments. Figure 3 As shown, the method includes:

[0082] S210, the branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, which is then uploaded to the master station system through the intelligent measurement terminal to realize remote signaling and remote measurement of the circuit breaker and the transformer by the master station system.

[0083] S220, the master station system issues a control instruction, which is fed back to the branch device via the intelligent measurement terminal. The branch device controls the circuit breaker to execute the control instruction, thereby realizing remote control of the circuit breaker by the master station system.

[0084] The master station system specifically sends an opening command or a closing command to the intelligent measuring terminal, and the intelligent measuring terminal forwards the opening command or the closing command to the branch device, and the branch device controls the circuit breaker to open or close;

[0085] The branch device sends a circuit breaker position change alarm to the intelligent measuring terminal, which is then sent to the main station system through the intelligent measuring terminal. The main station system reads the circuit breaker status information.

[0086] If the intelligent measuring terminal receives an opening command sent by the master station system, and the circuit breaker is in the opening state and the duration reaches the preset opening time, it sends a closing command to the branch device, and the branch device controls the circuit breaker to close; or,

[0087] The intelligent measuring terminal and the main station system monitor the communication status through heartbeat communication. If the communication status with the main station system is detected to be abnormal, a closing command is sent to the branch device, and the branch device controls the circuit breaker to close; or,

[0088] After the intelligent measuring terminal is reset, a closing command is sent to the branch device, and the branch device controls the circuit breaker to close.

[0089] The technical solution of the embodiment of the present application provides a power load measurement and control system, wherein the branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, and uploads them to the master station system through the intelligent measurement terminal, so as to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system; the master station system issues a control instruction, which is fed back to the branch device through the intelligent measurement terminal, and the branch device controls the circuit breaker to execute the control instruction, so as to realize the remote control of the circuit breaker by the master station system. The above scheme realizes the remote signaling, remote measurement and remote control of the load circuit, comprehensively supports the unified management, regulation and service guarantee of various rigid and flexible adjustable load resources, and improves the new energy absorption capacity under the construction of new power systems.

[0090] Figure 4 A schematic diagram of an electronic device 10 that can be used to implement an embodiment of the present application is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present application described and / or required herein.

[0091] like Figure 4 As shown, the electronic device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0092] Multiple components in the electronic device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless drilling temporary plugging parameter determination transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0093] The processor 11 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various special artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 executes the various methods and processes described above, such as a method for determining drilling temporary plugging parameters.

[0094] In some embodiments, the drilling temporary plugging parameter determination method may be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program may be loaded and / or installed on the electronic device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the drilling temporary plugging parameter determination method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to execute the drilling temporary plugging parameter determination method in any other appropriate manner (e.g., by means of firmware).

[0095] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), complex programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0096] The computer programs for implementing the methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer or other programmable drilling temporary plugging parameter determination device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0097] In the context of the present application, a computer readable storage medium may be a tangible medium that may contain or store a computer program for use by or in conjunction with an instruction execution system, device or equipment. A computer readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer readable storage medium may be a machine readable signal medium. A more specific example of a machine readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0098] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0099] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0100] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0101] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the information expected by the technical solution of this application can be achieved, and this document is not limited here.

[0102] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps recorded in this application can be executed in parallel, sequentially or in different orders, as long as the information expected by the technical solution of this application can be achieved, and this document is not limited here.

[0103] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. A power load measurement and control system, characterized in that: The system comprises: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; The branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, which is then uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system; The master station system issues a control instruction, which is fed back to the branch device via the intelligent measurement terminal. The branch device controls the circuit breaker to execute the control instruction, thereby realizing remote control of the circuit breaker by the master station system.

2. The power load measurement and control system according to claim 1, characterized in that: The branch device includes at least one information acquisition module, a first storage unit, a first interface unit and a command execution module, the information acquisition module is electrically connected to the first storage unit, and the first storage unit is electrically connected to the first interface unit and the command execution module respectively; The intelligent measurement terminal includes a second interface unit, a second storage unit, a control module and a communication module. The second interface unit is electrically connected to the second storage unit, the second storage unit is electrically connected to the control module, and the control module is electrically connected to the communication module.

3. The system according to claim 2, characterized in that The at least one information acquisition module is used to respectively acquire the position and opening and closing state of the circuit breaker and the online state and power information of the transformer, so as to realize the integration of the information acquisition modules and the centralized acquisition of the position and opening and closing state of the circuit breaker and the online state and power information of the transformer; The first storage unit is used to store the position and opening and closing status of the circuit breaker and the online status and power information of the transformer; The first interface unit is used to transmit the position and opening and closing status of the circuit breaker and the online status and power information of the transformer to the second interface unit of the intelligent measurement terminal; The command execution module is used to receive the control instruction fed back by the intelligent measurement terminal, and control the circuit breaker to execute the control instruction; The second interface unit is used to receive the position and opening and closing status of the circuit breaker and the online status and power information of the transformer sent by the first interface unit in the branch device; The second storage unit is used to store the position and opening and closing state of the circuit breaker and the online state and power information of the transformer received by the second interface unit; The communication module is used for communicating with the master station system.

4. The system according to claim 1, characterized in that The master station system is specifically used to send an opening instruction or a closing instruction to the intelligent measuring terminal, and the intelligent measuring terminal forwards the opening instruction or the closing instruction to the branch device, and the branch device controls the circuit breaker to open or close; The branch device is specifically used to send a circuit breaker position change alarm to the intelligent measuring terminal, and then send the alarm to the master station system through the intelligent measuring terminal, and the master station system reads the status information of the circuit breaker.

5. The system according to claim 1, characterized in that The intelligent measuring terminal is also used to send a closing instruction to the branch device if an opening instruction sent by the master station system is received, and the circuit breaker is in an opening state and the duration reaches a preset opening time, so that the branch device controls the circuit breaker to close; or, The intelligent measuring terminal monitors the communication status with the master station system through heartbeat communication. If the communication status with the master station system is detected to be abnormal, a closing instruction is sent to the branch device, and the branch device controls the circuit breaker to close. or, After the intelligent measuring terminal is reset, a closing instruction is sent to the branch device, and the branch device controls the circuit breaker to close.

6. The system according to claim 1, characterized in that The intelligent measurement terminal and the branch device are both powered by AC three-phase four-wire or three-phase three-wire; under the condition of three-phase four-wire power supply and one or two voltages of the phase line and the neutral line being interrupted, the power load measurement and control system works normally; In the case of three-phase three-wire power supply and one-line voltage interruption between the phase line and the neutral line, the electric power load measurement and control system operates normally.

7. The system according to claim 6, characterized in that The transformer is an open-type transformer. For an external current transformer with an Ethernet interface, the three-phase integrated transformer plug is connected to the socket of the branch device to achieve installation; for an external current transformer with a six-core Phoenix terminal plug, the six-core Phoenix terminal plug of the three-phase current transformer is inserted into the six-core Phoenix terminal socket of the branch device to achieve installation.

8. The system according to claim 1, characterized in that The branch device includes a one-way control branch device and a four-way control branch device. The one-way control branch device has two-way double-terminal remote signaling and one-way three-terminal remote control functions, and the four-way control branch device has five-way double-terminal remote signaling and four-way three-terminal remote control functions.

9. A method for measuring and controlling electric load, characterized in that: The electric load measurement and control system applied to any one of claims 1 to 8 comprises: a circuit breaker, a transformer, a branch device, an intelligent measurement terminal and a master station system; the circuit breaker and the transformer are electrically connected to the branch device respectively, the branch device is electrically connected to the intelligent measurement terminal, and the intelligent measurement terminal is communicatively connected to the master station system; the method comprises: The branch device collects the position and opening and closing status of the circuit breaker, the online status of the transformer and power information, and transmits them to the intelligent measurement terminal, which is then uploaded to the master station system through the intelligent measurement terminal to realize the remote signaling and remote measurement of the circuit breaker and the transformer by the master station system; The master station system issues a control instruction, which is fed back to the branch device via the intelligent measurement terminal. The branch device controls the circuit breaker to execute the control instruction, thereby realizing remote control of the circuit breaker by the master station system.

10. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the power load measurement and control method described in claim 9 when executed.