Anti-misoperation system and anti-misoperation method for energy storage power station

Abstract

The invention discloses an anti-misoperation system and an anti-misoperation method for an energy storage power station. The system comprises an aggregation node in communication connection with a plurality of terminal devices, an edge agent device in communication connection with the aggregation node, and an operation and maintenance management platform in communication connection with the edge agent device. By establishing an energy storage power station anti-misoperation system management operation order and a work flow, whether operation is accurate or not can be automatically judged when operation needs to be carried out, the anti-misoperation requirement of an energy storage system is met, various errors in the field operation process of the energy storage system can be effectively solved, the contradiction between safety and efficiency in the production operation management process of a power enterprise is solved, and the safety and reliability of the power enterprise are improved. The work and management efficiency is improved while the safety is improved; the mode of manual registration or paper recording is replaced by intelligent management software, so that the informatization level of operation process management is improved; in addition, a prompt can be given when important operation is carried out, so that a worker can judge; meanwhile, intelligent listing, intelligent ground wire management and intelligent lock management can be achieved, and misoperation is prevented.

Description

Technical Field

[0001] The present invention belongs to the technical field of power system safety, and in particular relates to an anti-misoperation system and an anti-misoperation method for an energy storage power station. Background Art

[0002] The modern power system is mainly composed of dispatching, power generation, transmission, transformation, distribution, power consumption, energy storage and other links. With the widespread popularity of distributed photovoltaic and wind power stations, energy storage is becoming more and more important. At present, the main energy storage methods are mechanical, electromagnetic, electrochemical, hydrogen energy storage, etc. In the era of intelligent Internet of Things AIOT, the stable supply demand of electricity is the core key of the entire industry. In addition to the continuous improvement of the energy management mechanism of the machine itself, the energy management mechanism of the backbone network and the edge area network is also an indispensable link of the entire industry.

[0003] With the construction of new power systems, a large number of new energy sources and energy storage devices are connected to the power grid. Energy storage can eliminate the peak and valley differences between day and night, achieve smooth output, peak and frequency regulation, and spare capacity, meeting the requirements for stable and safe access of new energy power generation to the power grid, and can effectively reduce the phenomenon of wind and solar power abandonment.

[0004] As energy storage devices are gradually becoming more popular, especially distributed electrochemical energy storage devices and systems, there are insufficient considerations for technical measures for misoperation and grounding treatment, resulting in a large number of safety hazards, and the operation and maintenance personnel are at greater risk. During the operation and maintenance of energy storage devices, due to the large operating range, long time, many tasks, many people, and complex location environment, the operation is very random, which can easily lead to misoperation accidents such as mistakenly entering the live interval, closing the switch with the ground wire, mistakenly pulling and closing the switch, hanging the ground wire with power on, and missing items. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides an anti-misoperation system and an anti-misoperation method for an energy storage power station.

[0006] The technical solution provided by the present invention is as follows:

[0007] An anti-error operation system for an energy storage power station, comprising: a convergence node connected to a plurality of terminal devices in communication, an edge proxy device connected to the convergence node in communication, and an operation and maintenance management platform connected to the edge proxy device in communication;

[0008] The operation and maintenance management platform is used to send instructions to the edge agent device and receive terminal device status information returned by the edge agent device;

[0009] The edge proxy device is used to receive instructions issued by the verification and maintenance management platform, and send the verified instructions to the aggregation node; it is also used to receive the terminal device status information returned by the verification aggregation node, and send the verified terminal device status information to the operation and maintenance management platform;

[0010] The aggregation node is used to receive instructions issued by the edge proxy device and send them to the terminal device, and is also used to receive terminal device status information returned by the terminal device and send it to the edge proxy device;

[0011] The terminal device is used to receive the instruction issued by the aggregation node and perform the locking operation according to the instruction, and is also used to return its own state information to the aggregation node.

[0012] Furthermore, the operation and maintenance management platform includes an energy storage system operation management module, a workflow management module, an operation ticket management module and a forced anti-error locking module; wherein the energy storage system operation management module is used to send and receive energy storage system operation instructions to manage the energy storage system operation status; the workflow management module is used to send and receive workflow instructions to manage the workflow; the operation ticket management module is used to send and receive operation ticket management instructions to manage operation tickets; and the forced anti-error locking module is used to send forced anti-error locking instructions.

[0013] Furthermore, the operation and maintenance management platform also includes a fixed-point patrol management module for sending and receiving patrol line instructions, a simulation training module for creating simulation models and simulation training projects, and a system maintenance module for detecting and repairing system failures.

[0014] An anti-misoperation method based on the above-mentioned anti-misoperation system comprises:

[0015] The energy storage system operation management module in the operation and maintenance management platform issues a dispatch instruction ticket. After the dispatch instruction ticket is approved by the operation ticket management module, the energy storage system operation management module issues an electrical switching operation ticket. The electrical switching operation ticket is sent to the edge agent device by the workflow management module.

[0016] The edge agent device receives and verifies the instructions contained in the electrical switching operation ticket, and sends the instructions to the terminal device through the aggregation node;

[0017] The terminal device receives the instruction, and if the terminal device is a manual device, it directly performs the unlocking operation, and if it is an electric device, it performs the local operation or requests the remote control operation;

[0018] After the operation is completed, the terminal device transmits the operation information and the terminal device status information back to the operation and maintenance management platform, which is received and recorded by the energy storage system operation management module in the operation and maintenance management platform.

[0019] Furthermore, when the terminal device performs a circuit breaker or contactor opening operation, the fixed-point patrol management module in the operation and maintenance management platform first determines whether the operation will cause load shedding, and if so, gives a prompt.

[0020] Furthermore, when the terminal device performs a circuit breaker or contactor closing operation, the fixed-point patrol management module in the operation and maintenance management platform first searches whether there is a temporary ground wire hung or a ground switch in the closed position within the range of an obvious disconnection point in the plant line. If so, a forced anti-error locking instruction is sent through the forced anti-error locking module to lock the circuit breaker and prohibit closing. If not, it is determined whether the operation will cause a loop closing or parallel situation to occur, and if so, a prompt is given.

[0021] Furthermore, when the terminal device performs a circuit breaker / contactor or disconnecting switch operation, the fixed-point patrol management module in the operation and maintenance management platform first checks whether the switch of the line to be operated is in the disconnected position. If the switch is in the closed position, the knife switch operation is prohibited; before disconnecting the disconnecting switch, the fixed-point patrol management module determines whether there is a temporary grounding wire or a grounding switch in the closed position within the range of an obvious disconnecting point on the line to be operated. If so, the operation is prohibited.

[0022] Furthermore, when the terminal device closes the grounding switch or installs the grounding wire, the fixed-point patrol management module in the operation and maintenance management platform first determines whether the line to be operated is in an energized state. If so, the operation is prohibited. Otherwise, it determines whether the line has an obvious disconnection point separated from the power supply point. If so, the operation is allowed.

[0023] Furthermore, if the fixed-point patrol management module in the operation and maintenance management platform hangs out a maintenance sign, it is prohibited to remove the temporary grounding wire or disconnect the grounding switch; if the power protection sign is hung out, it is prohibited to pull out the power supply equipment of the corresponding line or equipment; if the work sign is hung out, it is prohibited to operate the equipment and lines protected by the work sign.

[0024] Furthermore, the electrical switching operation ticket is sent to the edge agent device by the workflow management module via a subpoena, and the subpoena method includes a local subpoena, a remote subpoena and a 5G subpoena.

[0025] Beneficial effects of the present invention:

[0026] The present invention establishes an anti-error operation system management operation ticket and workflow for the energy storage power station. When an operation is required, the accuracy can be automatically determined, thereby meeting the anti-error requirements of the energy storage system. It can effectively solve various errors in the on-site operation of the energy storage system, resolve the contradiction between safety and efficiency in the production and operation management of the power company, and improve work and management efficiency while increasing safety. Intelligent management software is used instead of manual registration or paper records to improve the informatization level of operation process management. Prompts can be given when important operations are performed for staff to make judgments. At the same time, intelligent signboards, intelligent ground wires and intelligent locks can be managed to prevent misoperation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0028] Figure 1 It is a schematic diagram of the framework of the anti-misoperation system of the energy storage power station provided by one embodiment of the present invention;

[0029] Figure 2 A wind power energy storage power station provided by an embodiment of the present invention;

[0030] Figure 3 A photovoltaic energy storage power station provided by an embodiment of the present invention;

[0031] Figure 4 is a flow chart of a method for preventing misoperation provided by an embodiment of the present invention;

[0032] Figure 5 It is a schematic diagram of an anti-mislocking circuit provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the present invention.

[0034] like Figure 1 As shown, this embodiment provides an anti-error operation system for an energy storage power station, including an operation and maintenance management platform, an edge agent device, a convergence node and a terminal device. Among them, the operation and maintenance management platform sends instructions to the edge agent device and receives the device status information returned by the edge agent device. The edge agent device receives and stores the instructions sent by the operation and maintenance management platform, verifies the instructions and sends them to the convergence node; the edge agent device also receives the device status information returned by the convergence node, verifies the device status information and sends it to the operation and maintenance management platform. The convergence node receives the instructions sent by the edge agent device, and then sends it to the terminal device, and also receives the device status information returned by the terminal device, and transmits the device status information to the edge agent device. The terminal device includes an electric lock, a network door lock, a grounding lock, a positioning lock and a power display device. The terminal device receives the instructions sent by the convergence node, performs a locking operation according to the instructions, and returns the device status information to the convergence node.

[0035] The operation and maintenance management platform includes the energy storage system operation management module, the workflow management module, the operation ticket management module and the forced anti-error locking module. Among them, the energy storage system operation management module is used to receive and send relevant instructions for the operation of the energy storage system and manage the operation status of the energy storage system; the workflow management module is used to receive and send relevant instructions for the workflow and manage the workflow; the operation ticket management module is used to receive and send relevant instructions for the operation ticket and manage the operation ticket; the forced anti-error locking module is used to send forced anti-error locking instructions.

[0036] In some embodiments, the operation and maintenance management platform also includes a fixed-point patrol management module, a simulation training module, and a system maintenance module. Among them, the fixed-point patrol module is used to receive and send instructions for patrolling and repairing the maintenance line, and manage the maintenance line; the simulation training module is used to create simulation models and simulation training projects, and conduct simulation training; the system maintenance module is used to detect and repair the faults of the Jiangce system.

[0037] The energy storage power station error prevention operation system provided in this embodiment can meet the error prevention requirements of the energy storage system, can effectively solve various errors in the on-site operation of the energy storage system, resolve the contradiction between safety and efficiency in the production and operation management of power companies, and improve work and management efficiency while increasing safety. It has a wide range of application prospects, for example, Figure 2 The wind power storage station shown, and Figure 3 The photovoltaic energy storage power station shown.

[0038] Based on the above energy storage power station anti-misoperation system, this embodiment also provides an anti-misoperation method. Figure 4 As shown, a dispatch instruction ticket is issued from the energy storage system operation management module (regional dispatch host) in the operation and maintenance management platform. After the instruction ticket is approved by the operation ticket management module, the operation personnel issue an electrical switching operation ticket through the energy storage system operation management module. The electrical switching operation ticket can be issued to the edge agent device in three ways: local summons, remote summons and 5G (mobile terminal intelligent two-ticket) summons. The edge agent device stores the instructions in the electrical switching operation ticket and sends them to the corresponding equipment through the aggregation node after verification. If the terminal device receiving the instruction is a manual device, the unlocking operation can be performed directly; if the terminal device receiving the instruction is an electric device, you can choose to perform local operation or request remote control operation; after the electric device completes the operation, it will transmit the operation information and equipment information back to the operation and maintenance management platform, and the operation and maintenance management platform will receive and store the recorded operation information and equipment information.

[0039] like Figure 5As shown, when the energy storage anti-error locking circuit is in place, the edge agent device collects the anti-error locking contacts and the opening and closing information status in real time, and verifies and sends it to the station control layer equipment. During operation, the anti-error contacts are connected or unlocked by the unlocking device. In the next step, you can choose to open and close the switch remotely or locally to connect the control power supply, thereby controlling the terminal device to achieve the unlocking purpose and perform subsequent operations.

[0040] If it is necessary to open the circuit breaker or contactor, the fixed-point patrol management module determines whether the operation will cause load shedding, etc., and gives a prompt if so.

[0041] If it is necessary to close the circuit breaker or contactor, the fixed-point patrol management module searches whether there is a temporary ground wire or a ground switch in the closed position within the range of obvious disconnection points in the line or plant station. If so, the anti-mistake locking module is forced to lock the circuit breaker and prohibit closing. If not, it analyzes and determines whether the operation will cause a loop or parallel situation to occur, and if so, a prompt is given.

[0042] If it is necessary to disconnect the circuit breaker / contactor (knife switch) or disconnecting switch, the fixed-point patrol management module checks whether the switch of the line to be operated is in the disconnected position. If the switch is in the closed position, the knife switch operation is prohibited. Before disconnecting the disconnecting switch, the anti-error system and the fixed-point patrol management module of the management platform determine whether there is a temporary grounding wire or grounding switch in the closed position within the range of the obvious disconnection point on the line. If so, the operation is prohibited.

[0043] If it is necessary to close the grounding switch or install the grounding wire, the fixed-point patrol management module checks the live display to determine whether the line to be operated is in a live state. If the line is in a live state, the operation is prohibited; if the line is in a de-energized state, the fixed-point patrol management module of the anti-error system and the management platform determines whether the line has an obvious disconnection point that separates it from the power supply point. If there is no obvious disconnection point, the operation is prohibited; otherwise, the grounding switch can be closed or the grounding wire can be installed.

[0044] When the fixed-point patrol management module in the operation and maintenance management platform hangs the maintenance sign, it is prohibited to remove the temporary grounding wire or disconnect the grounding knife; when the power protection sign is hung, it is prohibited to pull out the corresponding line or equipment power supply equipment; when the work sign is hung, it is prohibited to operate the equipment and lines protected by the work sign.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may also be combined, the steps may be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Although the present invention has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A system for preventing misoperation of an energy storage power station, characterized in that: include: An aggregation node connected to a plurality of terminal devices, an edge agent connected to the aggregation node, and an operation and maintenance management platform connected to the edge agent; The operation and maintenance management platform is used to send instructions to the edge agent device and receive terminal device status information returned by the edge agent device; The edge proxy device is used to receive instructions issued by the verification and maintenance management platform, and send the verified instructions to the aggregation node; it is also used to receive the terminal device status information returned by the verification aggregation node, and send the verified terminal device status information to the operation and maintenance management platform; The aggregation node is used to receive instructions issued by the edge proxy device and send them to the terminal device, and is also used to receive terminal device status information returned by the terminal device and send it to the edge proxy device; The terminal device is used to receive the instruction issued by the aggregation node and perform the locking operation according to the instruction, and is also used to return its own state information to the aggregation node.

2. The energy storage power station anti-misoperation system according to claim 1, characterized in that: The operation and maintenance management platform includes an energy storage system operation management module, a workflow management module, an operation ticket management module and a forced anti-error locking module; wherein the energy storage system operation management module is used to send and receive energy storage system operation instructions to manage the energy storage system operation status; the workflow management module is used to send and receive workflow instructions to manage the workflow; the operation ticket management module is used to send and receive operation ticket management instructions to manage the operation ticket; and the forced anti-error locking module is used to send forced anti-error locking instructions.

3. The energy storage power station anti-misoperation system according to claim 2, characterized in that: The operation and maintenance management platform also includes a fixed-point patrol management module for sending and receiving patrol line instructions, a simulation training module for creating simulation models and simulation training projects, and a system maintenance module for detecting and repairing system failures.

4. A method for preventing misoperation based on the misoperation prevention system according to claim 3, characterized in that: include: The energy storage system operation management module in the operation and maintenance management platform issues a dispatch instruction ticket. After the dispatch instruction ticket is approved by the operation ticket management module, the energy storage system operation management module issues an electrical switching operation ticket. The electrical switching operation ticket is sent to the edge agent device by the workflow management module. The edge agent device receives and verifies the instructions contained in the electrical switching operation ticket, and sends the instructions to the terminal device through the aggregation node; The terminal device receives the instruction, and if the terminal device is a manual device, it directly performs the unlocking operation, and if it is an electric device, it performs the local operation or requests the remote control operation; After the operation is completed, the terminal device transmits the operation information and the terminal device status information back to the operation and maintenance management platform, which is received and recorded by the energy storage system operation management module in the operation and maintenance management platform.

5. The method for preventing misoperation according to claim 4, characterized in that: When the terminal device performs a circuit breaker or contactor opening operation, the fixed-point patrol management module in the operation and maintenance management platform first determines whether the operation will cause load shedding, and gives a prompt if so.

6. The method for preventing misoperation according to claim 4, characterized in that: When the terminal device performs a circuit breaker or contactor closing operation, the fixed-point patrol management module in the operation and maintenance management platform first searches whether there is a temporary ground wire or a ground switch in the closed position within the range of an obvious disconnection point in the plant line. If so, a forced anti-error locking instruction is sent through the forced anti-error locking module to lock the circuit breaker and prohibit closing. If not, it is determined whether the operation will cause a loop closing or parallel situation to occur, and if so, a prompt is given.

7. The method for preventing misoperation according to claim 4, characterized in that: When the terminal device performs a circuit breaker / contactor or disconnecting switch operation, the fixed-point patrol management module in the operation and maintenance management platform first checks whether the switch of the line to be operated is in the disconnected position. If the switch is in the closed position, the knife switch operation is prohibited. Before disconnecting the disconnecting switch, the fixed-point patrol management module determines whether there is a temporary grounding wire or a grounding switch in the closed position within the range of an obvious disconnection point on the line to be operated. If so, the operation is prohibited.

8. The method for preventing misoperation according to claim 4, characterized in that: When the terminal equipment closes the grounding switch or installs the grounding wire, the fixed-point patrol management module in the operation and maintenance management platform first determines whether the line to be operated is in an energized state. If so, the operation is prohibited. Otherwise, it determines whether the line has an obvious disconnection point separated from the power supply point. If so, the operation is allowed.

9. The method for preventing misoperation according to claim 4, characterized in that: If the fixed-point inspection management module in the operation and maintenance management platform hangs out a maintenance sign, it is prohibited to remove the temporary grounding wire or disconnect the grounding knife; if the power protection sign is hung out, it is prohibited to pull out the power supply equipment of the corresponding line or equipment; If a work badge is hung out, it is prohibited to operate the equipment and lines protected by the badge.

10. The method for preventing misoperation according to claim 4, characterized in that: The electrical switching operation ticket is sent to the edge agent device by the workflow management module in the form of a subpoena, and the subpoena method includes local subpoena, remote subpoena and 5G subpoena.

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