Energy storage control system

Abstract

The present invention provides an energy storage control system. The system includes: a main control unit, an energy storage control unit and a measurement, control and protection unit, the main control unit is connected to the energy storage control unit and the measurement, control and protection unit respectively, the main control unit is used to receive control instructions input by a user, detection results sent by the measurement, control and protection unit and energy storage data uploaded by the energy storage control unit, and control the energy storage control unit according to the control instructions, detection results and energy storage data, the energy storage data includes at least one of the operating data, ambient temperature, battery temperature and voltage of the energy storage control unit, solves the problems of poor real-time performance and slow response rate of data monitoring and centralized control effect of energy storage system in the prior art, thereby realizing efficient, accurate and centralized control of the energy storage control unit.

Description

Technical Field

[0001] The present invention relates to the technical field of power supply solutions, and in particular to an energy storage control system. Background Art

[0002] As the world's population continues to increase and industrial production becomes more and more common, the demand for energy and electricity in all walks of life is becoming stronger and stronger. Under the current situation, the global energy structure is generally concentrated on fossil fuels. As we all know, the formation cycle of fossil fuels such as oil, natural gas, and coal is as long as tens of millions of years. According to incomplete statistics, according to the current form of fossil fuel mining and use, they will be exhausted in a hundred years. In response to this, governments of various countries are issuing relevant policies to effectively utilize renewable resources such as solar energy, wind energy, and pumped storage for power generation, but these types of power generation have certain limitations and are relatively seriously affected by geographical factors. The energy storage system can not only respond efficiently, quickly and accurately, but also its implementation form is not restricted by geographical factors. To a certain extent, it can serve the role of the power grid, charge the energy storage battery during the low power consumption period, and discharge the energy storage battery during the peak power consumption period to compensate for the power grid to reduce the load of the power grid. On the one hand, it can achieve the effect of peak shaving and valley filling, and on the other hand, it also has certain economic benefits.

[0003] like Figure 1 As shown, it is a schematic diagram of the energy storage system architecture used in the prior art, the energy storage system includes a battery matrix controller BAU1, the battery matrix controller BAU1 is respectively connected to a number of battery cluster controllers 2 (BCU1 to BCUm) via Ethernet, each battery cluster controller 2 is respectively connected to a number of battery module controllers 2 (BMU1 to BMUn) via a corresponding controller area network (Controller Area Network, CAN) bus, each battery module controller 2 is correspondingly connected to a battery pack 4, and the battery matrix controller BAU1 is also connected to a converter PCS5.

[0004] The energy storage system in the prior art lacks centralized management of the collected overall data, which easily leads to data distortion, reduces the accuracy of control over the energy storage unit, and increases the operation and maintenance costs due to the inconvenience of operation and maintenance management. Summary of the invention

[0005] The present invention provides an energy storage control system, which improves the real-time performance and accuracy of real-time monitoring and control of energy storage units.

[0006] In a first aspect, the present invention provides an energy storage control system, comprising: a main control unit, an energy storage control unit and a measurement, control and protection unit;

[0007] The main control unit is connected to the energy storage control unit and the measurement, control and protection unit respectively;

[0008] The main control unit is used to receive control instructions input by the user, the detection results sent by the measurement, control and protection unit, and the energy storage data uploaded by the energy storage control unit, and control the energy storage control unit according to the control instructions, the detection results and the energy storage data; the energy storage data includes at least one of the operating data, ambient temperature, battery temperature and voltage of the energy storage control unit.

[0009] In a specific implementation, the main control unit includes: an energy management system EMS main controller, a first switch and a second switch;

[0010] The EMS main controller is connected to the first switch and the second switch respectively, and is connected to the measurement, control and protection unit and the energy storage control unit through the first switch and the second switch.

[0011] Furthermore, the main control unit further comprises: a time synchronization device;

[0012] The time synchronization device is connected to the first switch and the second switch respectively;

[0013] The timing device is used to perform time calibration on the energy storage control system according to the control of the EMS main controller.

[0014] Furthermore, the main control unit further comprises: an integrated workstation;

[0015] The integrated workstation is connected to the EMS main controller via the first switch and the second switch;

[0016] The integrated workstation is used to receive control instructions input by a user and send the control instructions to the main control unit.

[0017] Optionally, the main control unit further includes: an EMS standby controller;

[0018] The EMS standby controller is connected to the first switch and the second switch respectively, and is connected to the measurement, control and protection unit and the energy storage control unit through the first switch and the second switch; the EMS standby controller is used to replace the EMS main controller after the EMS main controller fails.

[0019] In a specific implementation, the upper port of the first column on the left side of the EMS main controller is connected to the first switch, and the lower port of the first column on the left side of the EMS main controller is connected to the second switch to form an Ethernet ring network.

[0020] Optionally, the energy storage control unit includes: n energy storage units and n energy storage converters;

[0021] The first energy storage unit is connected to the first energy storage converter, the first energy storage converter is connected to the second energy storage unit, the second energy storage unit is connected to the second energy storage converter, and so on until the n-1th energy storage converter is connected to the nth energy storage unit, and the nth energy storage unit is connected to the nth energy storage converter.

[0022] Furthermore, the measurement, control and protection unit includes:

[0023] m step-up transformer measurement and control protection devices, m low voltage measurement and control protection devices, a third switch and a fourth switch;

[0024] The third switch is respectively connected to the left port of each boost transformer measurement, control and protection device, and the fourth switch is respectively connected to the right port of each boost transformer measurement, control and protection device;

[0025] The third switch is respectively connected to the left port of each low-voltage measurement, control and protection device, and the fourth switch is respectively connected to the right port of each low-voltage measurement, control and protection device.

[0026] Optionally, the device further comprises: at least one telecontrol unit;

[0027] The at least one telecontrol unit is connected to the main control unit;

[0028] The at least one remote control unit is used to receive a control instruction input by a user and send the control instruction to the main control unit.

[0029] In a specific implementation, the telecontrol unit includes a secondary security screen and a telecontrol module;

[0030] The telecontrol module is connected to the secondary security screen and the main control unit respectively;

[0031] The remote control module is used to receive control instructions input by the user through the secondary security screen, and send the control instructions to the main control unit.

[0032] An energy storage control system provided by an embodiment of the present invention comprises a main control unit, an energy storage control unit and a measurement, control and protection unit, wherein the main control unit is connected to the energy storage control unit and the measurement, control and protection unit respectively, and the main control unit is used to receive control instructions input by a user, detection results sent by the measurement, control and protection unit and energy storage data uploaded by the energy storage control unit, and to control the energy storage control unit according to the control instructions, detection results and energy storage data, wherein the energy storage data comprises at least one of operating data, ambient temperature, battery temperature and voltage of the energy storage control unit, and solves the problems of poor real-time performance and slow response rate of data monitoring and centralized control effect of energy storage systems in the prior art, thereby realizing efficient, accurate and centralized control of the energy storage control unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0034] Figure 1 A schematic diagram of an energy storage system architecture used in the prior art;

[0035] Figure 2 A schematic diagram of the structure of a first embodiment of an energy storage control system provided by an embodiment of the present invention;

[0036] Figure 3 A schematic diagram of the structure of a second embodiment of an energy storage control system provided by an embodiment of the present invention;

[0037] Figure 4 A schematic diagram of the structure of a third embodiment of an energy storage control system provided by an embodiment of the present invention;

[0038] Figure 5 A schematic diagram of the structure of a fourth embodiment of an energy storage control system provided by an embodiment of the present invention;

[0039] Figure 6 A schematic diagram of the structure of a fifth embodiment of an energy storage control system provided by an embodiment of the present invention;

[0040] Figure 7 A schematic diagram of the hardware structure of an energy storage control system provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0041] 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, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] As used herein, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or elements is not necessarily limited to those steps or elements explicitly listed but may include other steps or elements not explicitly listed or inherent to such process, method, product, or apparatus.

[0043] The "one embodiment" or "another embodiment" mentioned throughout the specification of the present invention means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in this embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.

[0044] Figure 2 A schematic diagram of the structure of a first embodiment of an energy storage control system provided by an embodiment of the present invention is shown in FIG. Figure 2 As shown, the system 10 includes:

[0045] A main control unit 11, an energy storage control unit 12 and a measurement, control and protection unit 13.

[0046] The main control unit 11 is connected to the energy storage control unit 12 and the measurement, control and protection unit 13 respectively.

[0047] The main control unit 11 is used to receive control instructions input by the user, the detection results sent by the measurement and control protection unit 13, and the energy storage data uploaded by the energy storage control unit 12, and control the energy storage control unit 12 according to the control instructions, the detection results and the energy storage data; the energy storage data includes at least one of the operating data, ambient temperature, battery temperature and voltage of the energy storage control unit 12.

[0048] In a specific implementation, the main control unit 11 receives a control instruction input by a user, which may include a dispatch curve issued by the dispatcher. The main control unit 11 may send the control instruction to the energy storage control unit 12, and the energy storage control unit 12 parses the dispatch curve to obtain discrete dispatch data, and charges or discharges according to the dispatch data. Alternatively, the main control unit 11 may parse the dispatch curve to obtain discrete dispatch data, and send the dispatch data to the energy storage control unit 12, so that the energy storage control unit 12 charges or discharges according to the dispatch data.

[0049] Exemplarily, the measurement and control protection unit 13 is used to detect the low-voltage measurement and control equipment that controls the switch state, and send the detection result to the main control unit 11. The main control unit 11 determines whether to control the energy storage control unit 12 to charge or discharge or stop working according to the detection result. For example, the measurement and control protection unit 13 detects that the low-voltage measurement and control equipment that controls the switch state has a fault, and sends the detection result with the fault information to the main control unit 11. The main control unit 11 controls the energy storage control unit 12 to stop charging or discharging according to the detection result.

[0050] Exemplarily, the energy storage control unit 12 is used to collect energy storage data, such as one or more of the operating data generated by the energy storage control unit 12 during operation, the ambient temperature during operation, the battery temperature, the voltage, and the like, and send the collected energy storage data to the main control unit 11, so that the main control unit can adjust the control of the energy storage control unit 12 in real time according to the energy storage data.

[0051] The present embodiment provides an energy storage control system 10, comprising a main control unit 11, an energy storage control unit 12 and a measurement, control and protection unit 13. The main control unit is connected to the energy storage control unit and the measurement, control and protection unit respectively. The main control unit is used to receive control instructions input by a user, detection results sent by the measurement, control and protection unit and energy storage data uploaded by the energy storage control unit, and to control the energy storage control unit according to the control instructions, detection results and energy storage data. The energy storage data includes at least one of the operating data, ambient temperature, battery temperature and voltage of the energy storage control unit, which solves the problems of poor real-time performance and slow response rate of data monitoring and centralized control of energy storage systems in the prior art, thereby realizing efficient, accurate and centralized control of the energy storage control unit.

[0052] exist Figure 2 Based on the embodiment shown, Figure 3 A schematic diagram of the structure of a second embodiment of an energy storage control system provided by an embodiment of the present invention is shown in FIG. Figure 3 As shown, the system 10 further includes at least one telecontrol unit 14 .

[0053] At least one telecontrol unit 14 is connected to the main control unit 11 .

[0054] At least one remote control unit 14 is used to receive control instructions input by a user and send the control instructions to the main control unit 11 .

[0055] Based on the above embodiments, Figure 4 A schematic diagram of the structure of a third embodiment of an energy storage control system provided by an embodiment of the present invention is shown in FIG. Figure 4 shown.

[0056] The main control unit 11 includes an energy management system (EMS) main controller 111 , a first switch 112 and a second switch 113 .

[0057] The EMS main controller 111 is connected to the first switch 112 and the second switch 113 respectively, and is connected to the measurement, control and protection unit 13 and the energy storage control unit 12 through the first switch 112 and the second switch 113 .

[0058] Exemplarily, the upper port of the first column on the left side of the EMS main controller 111 is connected to the first switch 112 via Ethernet communication, and the lower port of the first column on the left side of the EMS main controller 111 is connected to the second switch to form an Ethernet ring network.

[0059] Furthermore, in order to make the time of each unit or device in the energy storage system consistent, the main control unit 11 provided by the present invention also includes: a time synchronization device 114.

[0060] The time synchronization device 114 is connected to the first switch 112 and the second switch 113 respectively.

[0061] The time synchronization device 114 is used to perform time calibration on the energy storage control system 10 according to the control of the EMS main controller 111 .

[0062] Furthermore, the main control unit 11 provided by the present invention can obtain the control instructions input by the user through the above-mentioned at least one remote control unit 14, and can also receive the control instructions input by the user through the integrated workstation 115 in the main control unit 11, and send the control instructions to the main control unit 11, wherein the integrated workstation 115 is connected to the EMS main controller 111 through the first switch 112 and the second switch 113.

[0063] As an example, the first switch 112 is connected to the upper port of the integrated workstation 115, and the second switch 113 is connected to the lower port of the integrated workstation 115, so that the integrated operation of the background workstation can be realized.

[0064] In order to make the operation of the energy storage control system 10 provided by the present invention more stable, the main control unit 11 provided by the present invention further includes: an EMS standby controller 116.

[0065] The EMS standby controller 116 is connected to the first switch 112 and the second switch 113 respectively, and is connected to the measurement, control and protection unit 13 and the energy storage control unit 12 through the first switch 112 and the second switch 113. The EMS standby controller 116 is used to replace the EMS main controller 111 after the EMS main controller 111 fails.

[0066] As an example, Figure 5 A schematic diagram of the structure of a fourth embodiment of an energy storage control system provided by an embodiment of the present invention, Figure 6 A schematic diagram of a fifth embodiment of an energy storage control system provided by an embodiment of the present invention, combined with Figures 4 to 6As shown, the second upper port on the left side of the EMS main controller 111 is connected to the second upper port on the left side of the EMS standby controller 116, and the Ethernet control automation technology EtherCAT, also known as industrial Ethernet communication, the second lower port on the second column of the EMS main controller 111 and the second lower port on the second column of the EMS standby controller 116 are both connected to the second EtherCAT switch 118, and the right side interface of the EMS main controller 111 and the right side interface of the EMS standby controller 116 are both connected to the first EtherCAT switch 117, and communicate through EtherCAT to form an EtherCAT ring network.

[0067] The energy storage control unit 12 includes: n energy storage units 121 and n energy storage inverters 122, the first energy storage unit 121-1 is connected to the first energy storage inverter 122-1, the first energy storage inverter 122-1 is connected to the second energy storage unit 121-2, the second energy storage unit 121-2 is connected to the second energy storage inverter 122-2, and so on until the n-1th energy storage inverter 122-n-1 is connected to the nth energy storage unit 121-n, and the nth energy storage unit 121-n is connected to the nth energy storage inverter 122-n, where n is a positive integer.

[0068] Optionally, the energy storage unit 121 is a lithium battery energy storage unit, and the number of energy storage units 121 can be expanded based on specific needs. On the one hand, the first energy storage unit to the nth energy storage unit form an EtherCAT ring network with the EMS main controller, and on the other hand, the first energy storage unit to the nth energy storage unit and the EMS main controller also form an Ethernet ring network. EtherCAT is a fast control network, and Ethernet is a monitoring data network, so as to realize real-time control and data collection of the energy storage unit 121 and the energy storage inverter 122.

[0069] Optionally, the energy storage inverter preferably uses EtherCAT for communication. When the energy storage inverter does not support EtherCAT, CAN bus communication is adopted.

[0070] In a specific implementation, combining Figures 4 to 6As shown, the first EtherCAT switch lead line X01 is connected to the communication port of the second photoelectric conversion module, the upper port RX of the second photoelectric conversion module for receiving and transmitting data is connected to the lower port TX of the third photoelectric conversion module for receiving and transmitting data, the lower port TX of the second photoelectric conversion module for receiving and transmitting data is connected to the upper port RX of the third photoelectric conversion module for receiving and transmitting data, and Ethernet communication is performed through optical fiber, the second EtherCAT switch is connected to the communication port of the first photoelectric conversion module, the upper port RX lead line X05 of the first photoelectric conversion module for receiving and transmitting data is connected to the lower port TX of the fourth photoelectric conversion module for receiving and transmitting data. According to the lower port TX connection, the lower port TX lead line X04 of the first photoelectric conversion module for transmitting and receiving data is connected to the upper port RX of the fourth photoelectric conversion module for transmitting and receiving data, and Ethernet communication is performed through optical fiber. The data transceiver port lead line X02 of the first switch 112 is connected to the A network switch n, and the data transceiver port lead line X03 of the second switch 112 is connected to the B network switch n. The A network switch n is respectively connected to the A network switch 1 and the A network switch 2, and the B network switch n is respectively connected to the B network switch 1 and the B network switch 2, and communication is performed through Ethernet.

[0071] As an example, the energy storage inverter communicates via EtherCAT, the communication port of the third optoelectronic conversion module is connected to the first energy storage unit, the first energy storage unit is connected to the first energy storage inverter, the first energy storage inverter is connected to the second energy storage unit, the second energy storage unit is connected to the second energy storage inverter, and n energy storage units and energy storage inverters can be expanded hand in hand in sequence, the nth energy storage unit is connected to the nth energy storage inverter, the nth energy storage inverter is connected to the fourth optoelectronic conversion module to form an EtherCAT ring network. Optionally, based on the maximum performance of EtherCAT, the number of energy storage inverters and energy storage units can be expanded to 255.

[0072] As another example, the energy storage converter communicates via the CAN bus. The communication port of the third photoelectric conversion module is connected to the first energy storage unit, the first energy storage unit is connected to the second energy storage unit, the second energy storage unit is connected to the distributed slave station, the distributed slave station is connected to the nth energy storage unit, the nth energy storage unit n is connected to the fourth photoelectric conversion module, each energy storage unit communicates with the distributed slave station via EtherCAT, the distributed slave station CAN module 1 is connected to the first energy storage converter, the distributed slave station CAN module 2 is connected to the second energy storage converter, and the distributed slave station CAN module n is connected to the nth energy storage converter, forming an energy storage converter CAN communication network.

[0073] The measurement and control protection unit 13 provided by the present invention comprises: m step-up transformer measurement and control protection devices 131, m low voltage measurement and control protection devices 132, a third switch 133 and a fourth switch 134. Wherein m is a positive integer.

[0074] Among them, the third switch 133 is respectively connected to the left port of each boost transformer measurement and control protection device 131, the fourth switch 132 is respectively connected to the right port of each boost transformer measurement and control protection device 131, the third switch 133 is respectively connected to the left port of each low voltage measurement and control protection device 132, and the fourth switch is respectively connected to the right port of each low voltage measurement and control protection device 132.

[0075] Exemplarily, the data transceiver port of the first switch 112 is connected to the data transceiver port of the third switch 133, the data transceiver port of the second switch 113 is connected to the data transceiver port of the fourth switch 134, the third switch 133 is respectively connected to the left ports of the first to m-th boost transformer measurement and control protection devices 131, and the fourth switch 134 is respectively connected to the right ports of the first to m-th boost transformer measurement and control protection devices 131. The boost transformer measurement and control protection device 131 can be expanded based on actual working conditions, the third switch 133 is respectively connected to the left ports of the first to m-th low-voltage measurement and control protection devices 132, and the fourth switch 134 is respectively connected to the right ports of the first to m-th low-voltage measurement and control protection devices 132. The low-voltage measurement and control protection device 132 can be expanded based on actual working conditions. The low-voltage measurement and control protection device 132 and the boost transformer measurement and control protection device 131 can communicate with the EMS main controller or the EMS standby controller and upload data to realize real-time monitoring of the measurement and control protection device.

[0076] Combination Figures 4 to 6 In the illustrated embodiment, the present invention provides at least one remote control unit 14 . Preferably, the number of the remote control units 14 is two, and each remote control unit 14 includes a secondary security screen 141 and a remote control module 142 .

[0077] The telecontrol module 142 is connected to the secondary security screen 141 and the main control unit 11 respectively;

[0078] The remote control module 142 is used to receive control instructions input by the user through the secondary security screen 141, and send the control instructions to the main control unit.

[0079] Figure 7 Schematic diagram of the hardware structure of the energy storage control system provided by the embodiment of the present invention. Figure 7 As shown, the energy storage control system 30 provided in this embodiment may include: a memory 301, a processor 302; and optionally, a bus 303. The bus 303 is used to realize the connection between various components.

[0080] The memory 301 stores computer-executable instructions;

[0081] The processor 302 executes the computer-executable instructions stored in the memory 301 .

[0082] The memory 301 and the processor 302 are electrically connected directly or indirectly to achieve data transmission or interaction. For example, these elements can be electrically connected to each other through one or more communication buses or signal lines, such as through bus 303. The memory 301 stores computer-executable instructions for implementing the data access control method, including at least one software function module that can be stored in the memory 301 in the form of software or firmware. The processor 302 executes various functional applications and data processing by running the software programs and modules stored in the memory 301.

[0083] The memory 301 may be, but is not limited to, a random access memory (RAM), a read only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electric erasable programmable read-only memory (EEPROM), etc. The memory 301 is used to store programs, and the processor 302 executes the programs after receiving the execution instruction. Furthermore, the software programs and modules in the above-mentioned memory 301 may also include an operating system, which may include various software components and / or drivers for managing system tasks (such as memory management, storage device control, power management, etc.), and may communicate with various hardware or software components to provide an operating environment for other software components.

[0084] The processor 302 may be an integrated circuit chip with signal processing capability. The processor 302 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc. The methods, steps, and logic diagrams disclosed in the embodiments of the present invention may be implemented or executed. The general-purpose processor may be a microprocessor or any conventional processor. It is understood that Figure 7 The structure is only for illustration and may also include Figure 7 More or fewer components as shown, or with Figure 7 Different configurations are shown. Figure 7 Each component shown in the figure may be implemented by hardware and / or software.

[0085] An embodiment of the present invention further provides a computer-readable storage medium on which computer execution instructions are stored. The computer execution instructions are executed by a processor to control the power supply short circuit detection device described in the above embodiment to implement power supply short circuit detection.

[0086] The computer-readable storage medium in this embodiment can be any available medium that can be accessed by a computer, or a data storage device such as a server or data center that includes one or more available media integrated. The available media can be magnetic media (for example, floppy disks, hard disks, tapes), optical media (for example, DVDs), or semiconductor media (for example, SSDs), etc.

[0087] Those skilled in the art can understand that all or part of the steps of implementing the above-mentioned method embodiments can be completed by hardware related to program instructions. The aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the steps of the above-mentioned method embodiments are executed; and the aforementioned storage medium includes: ROM, RAM, disk or optical disk and other media that can store program codes.

[0088] 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 it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An energy storage control system, characterized in that: include: Main control unit, energy storage control unit and measurement, control and protection unit; The main control unit is connected to the energy storage control unit and the measurement, control and protection unit respectively; The main control unit is used to receive the control instructions input by the user, the detection results sent by the measurement, control and protection unit, and the energy storage data uploaded by the energy storage control unit, and control the energy storage control unit according to the control instructions, the detection results and the energy storage data; the energy storage data includes at least one of the operating data, ambient temperature, battery temperature and voltage of the energy storage control unit; Wherein, the main control unit includes: an energy management system EMS main controller, a first switch and a second switch; The EMS main controller is connected to the first switch and the second switch respectively, and is connected to the measurement, control and protection unit and the energy storage control unit through the first switch and the second switch; The main control unit also includes: a time synchronization device; The time synchronization device is connected to the first switch and the second switch respectively; The timing device is used to perform time calibration on the energy storage control system according to the control of the EMS main controller; The measurement, control and protection unit comprises: m step-up transformer measurement and control protection devices, m low voltage measurement and control protection devices, a third switch and a fourth switch; wherein m is a positive integer; The third switch is respectively connected to the left port of each boost transformer measurement, control and protection device, and the fourth switch is respectively connected to the right port of each boost transformer measurement, control and protection device; The third switch is respectively connected to the left port of each low-voltage measurement, control and protection device, and the fourth switch is respectively connected to the right port of each low-voltage measurement, control and protection device.

2. The system according to claim 1, characterized in that The main control unit also includes: an integrated workstation; The integrated workstation is connected to the EMS main controller via the first switch and the second switch; The integrated workstation is used to receive control instructions input by a user and send the control instructions to the main control unit.

3. The system according to claim 1 or 2, characterized in that: The main control unit also includes: an EMS standby controller; The EMS backup controller is connected to the first switch and the second switch respectively, and is connected to the measurement, control and protection unit and the energy storage control unit through the first switch and the second switch; the EMS backup controller is used to replace the EMS main controller after the EMS main controller fails.

4. The system according to claim 1, characterized in that The upper port of the first column on the left side of the EMS main controller is connected to the first switch, and the lower port of the first column on the left side of the EMS main controller is connected to the second switch to form an Ethernet ring network.

5. The system according to claim 1, characterized in that The energy storage control unit comprises: n energy storage units and n energy storage converters; The first energy storage unit is connected to the first energy storage converter, the first energy storage converter is connected to the second energy storage unit, the second energy storage unit is connected to the second energy storage converter, and so on until the n-1th energy storage converter is connected to the nth energy storage unit, and the nth energy storage unit is connected to the nth energy storage converter; Wherein, n is a positive integer.

6. The system according to claim 1, characterized in that The device also includes: at least one telecontrol unit; The at least one telecontrol unit is connected to the main control unit; The at least one remote control unit is used to receive a control instruction input by a user and send the control instruction to the main control unit.

7. The system according to claim 6, characterized in that The telecontrol unit includes a secondary security screen and a telecontrol module; The telecontrol module is connected to the secondary security screen and the main control unit respectively; The remote control module is used to receive control instructions input by the user through the secondary security screen, and send the control instructions to the main control unit.

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