CN210111618U

CN210111618U - Energy storage coordination control device

Info

Publication number: CN210111618U
Application number: CN201920787701.2U
Authority: CN
Inventors: 孙攀; 温富光; 邹军; 李培宜; 陈贻骜
Original assignee: Nanjing SAC Automation Co Ltd
Current assignee: Nanjing SAC Automation Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-02-21
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a little grid protection technical field's an energy storage coordinated control device aims at solving among the prior art because the electricity generation has the distributed power source that can regenerate of randomness and inserts the electric wire netting in a large number for the technical problem that the electric wire netting management degree of difficulty increases. The device comprises a motherboard module, wherein a CPU module, a DI module, a DO module and a CC module are inserted into the motherboard module, and the motherboard module comprises an ION bus and an HFB bus; the DI module is in communication connection with the CPU module access interface through an ION bus; the DO module is in communication connection with the CPU module output interface through an ION bus; the CC module comprises an internal communication interface circuit and an external optical fiber channel circuit, the CC module is in communication connection with the CPU module through the internal communication interface circuit and the HFB bus, and is in communication connection with the power regulating device and the local control device through the external optical fiber channel circuit by adopting a GOOSE mechanism.

Description

Energy storage coordination control device

Technical Field

The utility model relates to an energy storage coordinated control device belongs to little electric wire netting protection technical field.

Background

In recent years, renewable energy distributed power generation technology has been widely used. When a large number of renewable distributed power supplies are connected to a power grid, the power generation of the renewable distributed power supplies is random, so that the management difficulty of the power grid on the renewable power supplies is increased, the randomness of the renewable energy power generation needs to be stabilized by utilizing the chargeable and dischargeable characteristics of energy storage of the energy storage power station, and the technical problems of low coordination and long time delay exist in the control of each energy storage unit of the energy storage power station in the existing energy storage power station control system.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide an energy storage coordination control device, which comprises a motherboard module, wherein the motherboard module is spliced with a CPU module, a DI module, a DO module and a CC module, and the motherboard module comprises an ION bus and an HFB bus; the DI module comprises an input interface circuit, and is in communication connection with the CPU module input interface through the input interface circuit and the ION bus; the DO module comprises an output interface circuit, and is in communication connection with the output interface of the CPU module through the output interface circuit and the ION bus; the CC module comprises an internal communication interface circuit and an external optical fiber channel circuit, the CC module is in communication connection with the CPU module through the internal communication interface circuit and the HFB bus, and is in communication connection with the power regulating device and the local control device through the external optical fiber channel circuit by adopting a GOOSE mechanism.

Furthermore, an HMI module is also inserted on the motherboard module, and the motherboard module also comprises an HCB bus; the HMI module includes an internal communication interface circuit, and the HMI module is communicatively connected to the CPU module via the internal communication interface circuit and the HCB bus.

Furthermore, a PNL module is plugged in the motherboard module, the HMI module also comprises a driving display circuit, and the HMI module is in communication connection with the PNL module through the driving display circuit and the Ethernet.

Further, the HMI module further includes at least one of a time tick circuit, a print interface, and an external communication interface circuit.

Furthermore, the motherboard module is also plugged with an SIG module, the SIG module comprises an output interface circuit, and the SIG module is in communication connection with the CPU module through the output interface circuit and the ION bus.

Further, the SIG module also comprises an optical coupling isolation circuit.

Furthermore, a POW module is inserted in the motherboard module.

Further, the DI module and/or the DO module also comprise an optical coupling isolation circuit.

Compared with the prior art, the utility model discloses the beneficial effect who reaches: the energy storage power station control system is used as an important component in the energy storage power station control system, is in communication connection with the power regulating device and the local control device by adopting a GOOSE mechanism, and can quickly and effectively coordinate and control the control functions of starting, stopping, output and the like of each energy storage unit in the energy storage power station; different module configurations are built through buses on the motherboard module to adapt to different requirements, and the motherboard module has good function expansion performance.

Drawings

Fig. 1 is a schematic view of an application scenario of the present invention;

FIG. 2 is a block diagram of the system of the present invention;

fig. 3 is a schematic diagram of the hardware principle of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, it is the utility model discloses use the scene sketch map, an energy storage coordination control device locates between power regulation controlling means and the controlling means on the spot, carries out the information interaction through GOOSE communication mechanism respectively with power regulation controlling means and controlling means on the spot.

More specifically, as shown in fig. 2, the system block diagram of the present invention is a system block diagram of the present invention, wherein the energy storage coordination control device includes a motherboard module, and a CPU module, a DI module, a DO module, a CC module, an HMI module, a PNL module, a SIG module, and a POW module are plugged into the motherboard module; the POW module is used for converting an external power supply into a motherboard module working power supply; the motherboard module is used for connecting each module, receiving the working power supply provided by the POW module, converting the working power supply into the working voltage required by each module, and simultaneously provided with an ION bus, an HFB bus and an HCB bus; the DI module is used for collecting an opening signal and transmitting the opening signal to the CPU module; the CPU module is used for processing a micro-grid control algorithm and interacting information with each module through a plurality of data buses on the motherboard module; the DO module is used for receiving the CPU module opening signal and driving an opening relay in the DO module so as to execute a corresponding logic control instruction; the CC module is used for receiving and transmitting multi-path optical fiber communication signals and is connected with the power regulation control device and the local control device through a GOOSE communication mechanism so as to realize the coordination control of each energy storage unit in the energy storage power station (microgrid); the SIG module is used for outputting abnormal contact signals of the energy storage coordination control device; an HMI module for human-machine interaction; and the PNL module is used for controlling the liquid crystal display and the front panel buttons.

Between the CPU module and other modules, and between the CPU module and a communication/data processing front module (namely CC module) with larger data throughput, an HFB Bus (namely an internal High-performance Flexible Backplane Bus) is adopted for interaction, the communication rate is up to 320Mbps, and the interactive data mainly comprises fast real-time analog quantity and GOOSE signals; the CPU module, the DI module, the SIG module and the DO module are interacted by adopting double ION buses, the communication speed is 1Mbps, and interactive data mainly comprises slow analog quantity and digital quantity input and output; the CPU module and the HMI module are interacted by adopting an internal HCB Bus (HMI-CPU Bus), the speed can reach 10MBps, and the interactive data comprises calling wave recording, setting fixed value, issuing configuration, uploading analog quantity, switching value, events and the like; the HMI module and the PNL module are interacted through 10/100 Ethernet (Ethernet) to realize the independence of the front panel, and the interactive data mainly comprises human-computer interface data and debugging messages.

More specifically, as shown in fig. 3, which is a schematic diagram of the hardware principle of the present invention, the DI module includes an input interface circuit, and the input interface circuit is connected to the CPU module input interface through an ION bus; the DO module comprises an output interface circuit which is connected with an output interface of the CPU module through an ION bus; the SIG module comprises an output interface circuit which is connected with the CPU module through an ION bus; the DI module, the DO module and the SIG module also comprise optical coupling isolation circuits so as to improve the anti-interference performance of the DI module, the DO module and the SIG module.

The CC module comprises an internal communication interface circuit and an external optical fiber channel circuit, the internal communication interface circuit is connected with the CPU module through an HFB bus, and the external optical fiber channel circuit is in communication connection with the power regulating device and the local control device by adopting a GOOSE mechanism.

The HMI module comprises an internal communication interface circuit, an external communication interface circuit, a time synchronization circuit, a printing interface and a driving display circuit, wherein the internal communication interface circuit is connected with the CPU module through an HCB bus, and the driving display circuit is connected with the PNL module through Ethernet.

The CPU module executes various protection, coordination control algorithms and logic, measurement and control, metering and information recording functions, and adopts RISC architecture CPU including hardware floating point function; frequencies up to 800 MHz; 256MByte DDR3 memory; 64MByte program FLASH and 4GByte data FLASH (for event and wave recording storage); at most 45 AC sampling channels are supported, and all channels are ensured to be completely synchronous; the effective input range of the sampling channel is-5V- +5V, and the maximum input range is-10V- +10V (the device is not damaged).

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. An energy storage coordination control device is characterized by comprising a motherboard module, wherein a CPU module, a DI module, a DO module and a CC module are inserted in the motherboard module, and the motherboard module comprises an ION bus and an HFB bus;

the DI module comprises an input interface circuit, and is in communication connection with the CPU module input interface through the input interface circuit and the ION bus;

the DO module comprises an output interface circuit, and is in communication connection with the output interface of the CPU module through the output interface circuit and the ION bus;

the CC module comprises an internal communication interface circuit and an external optical fiber channel circuit, the CC module is in communication connection with the CPU module through the internal communication interface circuit and the HFB bus, and is in communication connection with the power regulating device and the local control device through the external optical fiber channel circuit by adopting a GOOSE mechanism.

2. The energy storage coordination control device according to claim 1, wherein an HMI module is further plugged in the motherboard module, and the motherboard module further comprises an HCB bus;

the HMI module includes an internal communication interface circuit, and the HMI module is communicatively connected to the CPU module via the internal communication interface circuit and the HCB bus.

3. The device for coordinately controlling stored energy as claimed in claim 2, wherein the motherboard module further comprises a PNL module, the HMI module further comprises a display driving circuit, and the HMI module is communicatively connected with the PNL module via the display driving circuit and the ethernet.

4. The coordinated energy storage control device according to claim 2, wherein the HMI module further comprises at least any one of a time tick circuit, a print interface and an external communication interface circuit.

5. The energy storage coordination control device according to claim 1, wherein a SIG module is plugged in the motherboard module, the SIG module comprises an output interface circuit, and the SIG module is in communication connection with the CPU module through the output interface circuit and the ION bus.

6. The device of claim 5, wherein the SIG module further comprises an opto-isolator circuit.

7. The coordinated control device for energy storage as claimed in claim 1, wherein a POW module is further inserted in the motherboard module.

8. An energy storage coordination control device according to any one of claims 1 to 7, wherein the DI module or/and DO module further comprises an optical coupling isolation circuit.