Energy storage coordination control device

Abstract

The utility model discloses an energy storage coordination control device which comprises a master control module, a power supply module, an input module, an output module, a communication module, a PNL and an alternating current module, and the input end of the master control module is connected with the output end of the power supply module; the input end of the main control module is connected with the output end of the input module; the output end of the master control module is connected with the signal input end of the output module; and the main control module is in bidirectional data connection with the alternating current module, the PNL and the communication module. According to the energy storage coordination control device provided by the utility model, the main control unit adopts the design scheme of the core board and the external connection board, the communication interface part of the device is designed in the external connection board, and based on the FPGA-based SoC design scheme, different system functions can be realized through reconfiguration according to needs, so that the flexibility of hardware system design is increased, and the cost is reduced. And high-speed data processing is completed by the PL part, so that the calculation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power system operation control, specifically relates to a kind of energy storage coordination control device. BACKGROUND

[0002] The number of energy storage converters (PCS) of energy storage power station usually reaches dozens of units or even hundreds of units. The coordination control problem arises when so many battery packs and PCSs are arranged in the same power station at the same time. Therefore, the energy storage coordination control device is applied to solve the coordination control and power distribution problems of multiple energy storage.

[0003] With the demand for electricity in production and life, the development of large-scale energy storage power station construction has emerged, and dozens of megawatt or even larger scale energy storage power stations have appeared. The existing energy storage coordination controller has a little processing and computing capacity. Generally, a single energy storage coordination control device only supports the access of 32 PCSs, and the iteration of the processing and computing capacity of the energy storage coordination control equipment is imminent. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of energy storage coordination control device to solve the above problems.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of energy storage coordination control device, including main control module, power module, input module, output module, communication module, PNL and alternating current module, wherein:

[0006] The input end of the main control module is connected with the output end of the power module;

[0007] The output end of the main control module is connected with the input end of the input module;

[0008] The signal input end of the output module is connected with the output end of the main control module;

[0009] The main control module, the alternating current module, the PNL and the communication module are bidirectional data connection.

[0010] As preferred, the main control module includes a core board, a communication expansion interface 1 and a communication expansion interface 2, the core board is integrated with 1GB of DDR L dynamic random access memory, 8GB of eMMC memory and serial Flash memory with the eMMC memory;

[0011] The communication expansion interface 1 is used for energy storage coordination control device and local EMS communication, communication with dispatching master station and AGC or AVC master station communication;

[0012] The communication expansion interface 2 is used for energy storage coordination control device and local fire control, access control and air conditioning communication.

[0013] Preferably, the core board comprises a ZYNQ processor, which internally integrates two ARM Cortex-A9 cores and one FPGA, and has a main frequency of 1.2 GHz.

[0014] Preferably, the core board is provided with two RS-485 communication interfaces, two RS-232 / RS-485 switchable interfaces and two Ethernet interfaces.

[0015] Preferably, the power module is externally connected to a voltage of 48 / 110 / 220 V DC power supply, and outputs a voltage of 5 V.

[0016] Preferably, the communication module comprises at least eight optical fiber ports, and the data signals transmitted by the optical fiber ports use GOOSE messages and PCS communication.

[0017] Preferably, the ZYNQ processor comprises:

[0018] a first core processor Core0 running a Linux operating system;

[0019] a second core processor Core1 running a freeRTOS operating system;

[0020] and a DDR for data sharing between the first core processor Core0 and the second core processor Core1.

[0021] The programmable logic module PL further comprises an Ethernet communication 1-2, communication serial ports 1-4, an IRIG-B and LVDS 1-2.

[0022] The programmable logic module PL further comprises an Ethernet communication 1-2, communication serial ports 1-4, an IRIG-B and LVDS 1-2.

[0023] The programmable logic module PL further comprises an Ethernet communication 1-2, communication serial ports 1-4, an IRIG-B and LVDS 1-2.

[0024] In the above technical solution, the utility model provides a kind of energy storage coordination control device, with following beneficial effects: the design scheme of core board+outer connection part is adopted, core processor uses SoC chip, with PL part and 2 ARM kernels, PL part can be reconfigured according to need, to realize the function of different systems, increase the flexibility and scalability of adaptive peripheral equipment.PL is used to realize ac sampling control, data synchronization, B code decoding and other functions, and process functions requiring a large amount of calculation.The ARM kernel only needs to process logical calculation (Core1 is responsible for), data storage and slow communication protocol (Core0 is responsible for), the processing capacity of Core1 is greatly improved, increase the data processing speed of coordination control device, greatly improve the performance of energy storage coordination control device.The access PCS capability of single energy storage coordination control device is improved, and 128 PCS can be simultaneously accessed and synchronously controlled. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described below are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0026] Fig. 1 The module architecture diagram provided by the embodiments of the present application is provided.

[0027] Fig. 2 The core board architecture diagram provided by the embodiments of the present application is provided. DETAILED DESCRIPTION

[0028] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the drawings.

[0029] As shown in Figs. 1-2 A kind of energy storage coordination control device, including main control module, power module, input module, output module, communication module, PNL and ac module, wherein:

[0030] The input end of main control module is connected with the output end of power module, and the external voltage of power module is 48 / 110 / 220V DC power supply, and the output voltage is 5V, to provide working power supply for each module described above;

[0031] The input end of main control module is connected with the output end of input module, for collecting switch position, source network load action, forced master backup machine input signal;Output module is connected with main control module, for outputting primary frequency modulation action, dynamic voltage regulation action and master backup machine signal;

[0032] The output end of the master module is connected with the signal input end of the opening module.

[0033] The master module is bidirectional data connected with the AC module, the PNL and the communication module.

[0034] Specifically, the PNL has the functions of local setting value setting, event and alarm query, and can set the frequency modulation parameters, voltage regulation parameters, peak clipping and valley filling and flat wave suppression and the like of the energy storage system through the PNL panel, and view the real-time power and cumulative charge and discharge capacity of the energy storage system and the like.

[0035] The communication module includes at least 8 optical fiber ports, and the data signals transmitted by the optical fiber ports use GOOSE messages and PCS communication.

[0036] As a further provided embodiment of the utility model, the master module includes a core board, a communication expansion interface 1 and a communication expansion interface 2, the core board is integrated with 1GB of DDR L dynamic random access memory, 8GB of eMMC memory and serial Flash memory with the eMMC memory;

[0037] The communication expansion interface 1 is used for communication between the energy storage coordination and control device and local EMS, communication with a dispatching master station and AGC or AVC master station communication;

[0038] The communication expansion interface 2 is used for communication between the energy storage coordination and control device and local fire control, access control and air conditioning.

[0039] Specifically, the Flash memory is used for storing a linux operating system and an application program of the energy storage coordination and control device.

[0040] The eMMC memory is used for storing a root file system of linux, historical alarm, historical event, recording wave file and the like of the device.

[0041] As a further provided embodiment of the utility model, the core board of the master module adopts a ZYNQ processor, the processor is internally integrated with 2 ARMCortex-A9 cores and 1 FPGA, has a main frequency of 1.2GHz, the core board is integrated with 1GB of DDR L dynamic random access memory and 8GB of eMMC memory, and provides 2 RS-485 communication interfaces, 2 RS-232 / RS-485 switchable interfaces and 2 Ethernet interfaces.

[0042] Secondly, the ZYNQ processor includes:

[0043] a first core processor Core0 running a Linux operating system;

[0044] a second core processor Core1 running a freeRTOS operating system;

[0045] and a DDR for data sharing between the first core processor Core0 and the second core processor Core1;

[0046] and a programmable logic module PL;

[0047] the programmable logic module PL comprises Ethernet communication 1-2, communication serial port 1-4, IRIG-B and LVDS 1-2;

[0048] and a clock chip RTC connected with the ZYNQ processor.

[0049] Specifically, the first core processor Core0 and the second core processor Core1 run the Linux operating system and the freeRTOS operating system respectively, the programmable logic module PL is used to realize the functions of AC sampling control, Ethernet communication, serial port communication and B code time signal decoding, and the DDR is used for data sharing between Core0 and Core1.

[0050] In the above technology, a design scheme of core board + external connection part is adopted, the core processor adopts a SoC chip, has a PL part and two ARM cores, the PL part can be reconfigured according to needs to realize the functions of different systems, and the flexibility and scalability of adapting peripherals are increased. The PL is used to realize the functions of AC sampling control, data synchronization, B code decoding and the like, and processes functions requiring a large amount of calculation. The ARM core only needs to process logical calculation (Core1 is responsible), data storage and slow communication protocol (Core0 is responsible), the processing capacity of Core1 is greatly improved, the data processing speed of the coordination control device is increased, and the performance of the energy storage coordination control device is greatly improved. The access PCS capacity of a single energy storage coordination control device is improved, and 128 PCSs can be simultaneously accessed and synchronously controlled.

[0051] The above only describes certain exemplary embodiments of the present application in a descriptive manner, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. An energy storage coordinated control device, characterized by, The module includes a main control module, a power module, an input module, an output module, a communication module, a PNL and an AC module, wherein: The input end of the main control module is connected with the output end of the power module; The input end of the main control module is connected with the output end of the input module; The output end of the main control module is connected with the signal input end of the output module; The main control module is bidirectional data connected with the AC module, the PNL and the communication module.

2. The energy storage coordinating control device according to claim 1, characterized in that, The main control module includes a core board, a communication expansion interface 1 and a communication expansion interface 2, the core board is integrated with 1GB of DDR L dynamic random access memory, 8GB of eMMC memory and serial Flash memory with the eMMC memory; The communication expansion interface 1 is used for the energy storage coordination control device to communicate with local EMS, communicate with a dispatching master station and communicate with an AGC or AVC master station; The communication expansion interface 2 is used for the energy storage coordination control device to communicate with local fire control, access control and air conditioning.

3. The energy storage coordinating control device according to claim 2, characterized in that, The core board includes a ZYNQ processor, the ZYNQ processor is internally integrated with 2 ARM Cortex-A9 cores and 1 FPGA, and the main frequency is 1.2 GHz.

4. The energy storage coordinating control device according to claim 3, characterized in that, The core board is provided with 2 RS-485 communication interfaces, 2 RS-232 / RS-485 switchable interfaces and 2 Ethernet interfaces.

5. The energy storage coordinating control device according to claim 1, characterized in that, The power module is externally connected with 48 / 110 / 220V DC power supply, and the output voltage is 5V.

6. The energy storage coordinating control device according to claim 1, characterized in that, The communication module includes at least 8 optical fiber ports, and the data signals transmitted by the optical fiber ports use GOOSE messages and PCS communication.

7. The energy storage coordinating control device according to claim 3, characterized in that, The ZYNQ processor includes: a first core processor Core0 running a Linux operating system; a second core processor Core1 running a freeRTOS operating system; and a DDR for data sharing of the first core processor Core0 and the second core processor Core1; further including a programmable logic module PL; the programmable logic module PL includes Ethernet communication 1-2, communication serial ports 1-4, IRIG-B and LVDS 1-2; further including a clock chip RTC in data connection with the ZYNQ processor.

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