CN209417545U - Compact direct current control protection real-time simulation system - Google Patents
Compact direct current control protection real-time simulation system Download PDFInfo
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- CN209417545U CN209417545U CN201920314758.0U CN201920314758U CN209417545U CN 209417545 U CN209417545 U CN 209417545U CN 201920314758 U CN201920314758 U CN 201920314758U CN 209417545 U CN209417545 U CN 209417545U
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- 230000004224 protection Effects 0.000 title claims abstract description 45
- 238000004088 simulation Methods 0.000 title abstract description 8
- 238000004364 calculation method Methods 0.000 claims abstract description 18
- 239000013307 optical fiber Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 abstract description 6
- 230000007175 bidirectional communication Effects 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 description 10
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Direct Current Feeding And Distribution (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a compact direct current control protection real-time simulation system, which comprises an upper computer, a switch, N compact direct current control protection devices and a real-time simulator; the upper computer is connected with the switch through a network cable, the switch is connected with the N compact direct-current control protection devices through the network cable, the N compact direct-current control protection devices are connected with the real-time simulator through optical fibers, and N is larger than or equal to 1; the compact direct-current control protection device comprises a logic calculation processor and a bidirectional communication FPGA board card, wherein the logic calculation processor is connected with the bidirectional communication FPGA board card through a network cable. The system has low cost and simple interface, and can simulate the actual control protection response characteristic of the multi-circuit direct current engineering more accurately.
Description
Technical field
The utility model relates to DC control protection real-time emulation system more particularly to a kind of protections of compact DC control
Real-time emulation system.
Background technique
In the alternating current-direct current Power System Simulator containing DC transmission system, due to the control and protection of DC transmission system
Opposite AC system is complicated many, and it is alternating current-direct current power grid that how accurate analog DC transmission system, which controls the dynamic response protected,
The key factor of simulation study, and the basis of research electricity net safety stable control strategy.Real Time Digital Simulator can provide letter
Number interactive interface, is widely used in control protection simulation and the testing field of DC transmission system.
The characteristic of analog DC control protection in real-time simulation pilot system, there are mainly two types of modes at present: the first
Mode will be connect by input card and interface arrangement with the consistent device in kind of the engineering function and performance of control protective unit
Enter in real-time emulation system, constitutes the closed loop test system of DC control protection real-time simulation, which is at high cost, interface is multiple
It is miscellaneous；Another way uses logic element according to the control of DC transmission system and relay protective scheme in Real Time Digital Simulator
It builds and completes control method, i.e., realize to include DC power transmission system eventually by the simulation process board resource of Real Time Digital Simulator
A major loop and secondary control for system protects system, and the dynamic property response of which and practical control protective unit exists
Different, can not the practical control of accurate analog DC power transmission engineering protect response characteristic.
Utility model content
The shortcomings that for the above-mentioned prior art, the purpose of the utility model embodiment are to provide a kind of compact DC control
Real-time emulation system is protected, the system cost is low, interface is simple, more accurately emulates the practical control protection of multiple-circuit line engineering and rings
Answer characteristic.
To achieve the above object, the utility model embodiment provides a kind of compact DC control protection real-time simulation system
System, comprising: host computer, interchanger, N number of compact DC control protective device and real-time simulator；The host computer with it is described
Interchanger is connected by cable, and the interchanger is connect with N number of compact DC control protective device by cable, described
N number of compact DC control protective device is connect with the real-time simulator by optical fiber, and N is more than or equal to 1；Wherein, compact
DC control protective device includes logic calculation processor and both-way communication FPGA board, the logic calculation processor with it is described
Both-way communication FPGA board is connected by cable.
Preferably, the host computer is man-machine interface host computer, and the storage of man-machine interface host computer includes control protective program
And system command.
Preferably, the compact DC control protective device integrates post package in industrial personal computer.
Preferably, the control protective program uses multithreading calculation processing technology.
Preferably, the control protective program include DC current control, it is DC voltage control, the control of blow-out angle, steady
Fixed control, change of current variation Interface Controller, Reactive Power Control and pole control protection.
Preferably, the DC current control includes current margin compensation control, current limiting low-voltage control, ac and dc systems event
Hinder transient current control and current balance type control.
Preferably, the stability contorting includes power ascension control, the control of power time drop, frequency limit control and double frequency tune
System control.
Preferably, the pole control protection is protected including inverter open-circuit-protection, AC overvoltage, low AC voltage is protected,
DC minimum voltage protection, the protection of big Trigger Angle and DC line protection.
Compared with prior art, implement the utility model embodiment and have the following beneficial effects: the utility model embodiment
A kind of compact DC control protection real-time emulation system is provided, which includes host computer, interchanger, N number of compact direct current
Control protective unit and real-time simulator, host computer are man-machine interface host computer, and the storage of man-machine interface host computer includes that control is protected
Protect program and system command, compact DC control protective device includes logic calculation processor and both-way communication FPGA board,
The control protection of direct current transportation is replaced device in kind with process control by system, and program is separated with real-time simulator, is passed through
Both-way communication FPGA board realizes the high speed communication of program and real-time simulator, reduces the operation resource of real-time simulator, so that
The system cost is low, interface is simple, can more accurately emulate the practical control protection response characteristic of DC engineering.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of compact DC control protection real-time emulation system provided by the invention.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, the utility model embodiment provides a kind of compact DC control protection real-time emulation system, packet
It includes: host computer, interchanger, N number of compact DC control protective device and real-time simulator；The host computer and the interchanger
It is connected by cable, the interchanger is connect with N number of compact DC control protective device by cable, described N number of tight
Type DC control protective device of gathering is connect with the real-time simulator by optical fiber, and N is more than or equal to 1；Wherein, compact direct current control
Protective device processed includes logic calculation processor and both-way communication FPGA board, the logic calculation processor and the two-way
FPGA board is interrogated to connect by cable.
Preferably, the host computer is man-machine interface host computer, and the storage of man-machine interface host computer includes control protective program
And system command.With the control protective unit that control protective program substitution is in kind, it is possible to reduce input and output board or interface dress
It sets, reduces experimentation cost.
Preferably, the compact DC control protective device integrates post package in industrial personal computer.By compact direct current control
Protective device processed is encapsulated in industrial personal computer, it is possible to reduce occupied area, save the cost.
Preferably, the control protective program uses multithreading calculation processing technology.Multithreading calculation processing technology can be with
Improve the time of calculation processing.
Preferably, the control protective program include DC current control, it is DC voltage control, the control of blow-out angle, steady
Fixed control, change of current variation Interface Controller, Reactive Power Control and pole control protection.
Preferably, the DC current control includes current margin compensation control, current limiting low-voltage control, ac and dc systems event
Hinder transient current control and current balance type control.
Preferably, the stability contorting includes power ascension control, the control of power time drop, frequency limit control and double frequency tune
System control.
Preferably, the pole control protection is protected including inverter open-circuit-protection, AC overvoltage, low AC voltage is protected,
DC minimum voltage protection, the protection of big Trigger Angle and DC line protection.
System testing starts, and the logic calculation processor of compact DC control protective device passes through interchanger from host computer
Downloading control protective program, a host computer may be implemented in interchanger and the compact DC control of multiple DC transmission systems is protected
Protection unit communication or data interaction, such as interchanger send power instruction or sequence operation to compact DC control protective device
(determining with specific reference to actual demand) etc., provides for the large-scale AC/DC interconnected system simulation modeling containing multiple-circuit line with test
Simple and practical operating method.
Logic calculation processor receives the primary of DC transmission system from real-time simulator by both-way communication FPGA board
The signals such as measurement amount and switch state, real-time simulator receive the output of logic calculation processor by both-way communication FPGA board
Control signal, formed closed loop test system.Wherein, one-shot measurement amount includes: AC three-phase voltage, the pole of DC transmission system
1 and pole 2 high and low valve group DC voltage, DC current, DC line electric current, grounding electrode electric current, neutral point current, the change of current become
Current on valve side etc.；Switch state includes converter station ac bus switch, direct current positive and negative anodes direct current every knife, valve group by-pass switch, gold
Belong to the earth change-over switch etc..Controlling signal includes the trigger pulse order of valve group and the divide-shut brake order of switch tool.
Compared with prior art, implement the utility model embodiment and have the following beneficial effects: the utility model embodiment
A kind of compact DC control protection real-time emulation system is provided, which includes host computer, interchanger, N number of compact direct current
Control protective unit and real-time simulator, host computer are man-machine interface host computer, and the storage of man-machine interface host computer includes that control is protected
Protect program and system command, compact DC control protective device includes logic calculation processor and both-way communication FPGA board,
The control protection of direct current transportation is replaced device in kind with process control by system, and program is separated with real-time simulator, is passed through
Both-way communication FPGA board realizes the high speed communication of program and real-time simulator, reduces the operation resource of real-time simulator, so that
The system cost is low, interface is simple, can more accurately emulate the practical control protection response characteristic of DC engineering.
Although the utility model is disclosed above in the preferred embodiment, it is not intended to limit the utility model the model of implementation
It encloses.Any those skilled in the art change within the scope of the utility model for not departing from the utility model when can make a little
Into that is, all same improvement done according to the utility model should be the scope of the utility model and be covered.
Claims (8)
1. a kind of compact DC control protects real-time emulation system characterized by comprising host computer, interchanger, N number of tight
Gather type DC control protective device and real-time simulator；The host computer is connect with the interchanger by cable, the exchange
Machine is connect with N number of compact DC control protective device by cable, N number of compact DC control protective device with
The real-time simulator is connected by optical fiber, and N is more than or equal to 1；Wherein, compact DC control protective device includes logic calculation
Processor and both-way communication FPGA board, the logic calculation processor and the both-way communication FPGA board are connected by cable
It connects.
2. compact DC control as described in claim 1 protects real-time emulation system, which is characterized in that the host computer is
Man-machine interface host computer, the storage of man-machine interface host computer include control protective program and system command.
3. compact DC control as described in claim 1 protects real-time emulation system, which is characterized in that the compact is straight
Flow control protective device integrates post package in industrial personal computer.
4. compact DC control as claimed in claim 2 protects real-time emulation system, which is characterized in that the control protection
Program uses multithreading calculation processing technology.
5. compact DC control as claimed in claim 2 protects real-time emulation system, which is characterized in that the control protection
Program includes DC current control, DC voltage control, the control of blow-out angle, stability contorting, change of current variation Interface Controller, idle
Power control and pole control protection.
6. compact DC control as claimed in claim 5 protects real-time emulation system, which is characterized in that the DC current
Control includes current margin compensation control, current limiting low-voltage control, ac and dc systems failure transient current control and current balance type control
System.
7. compact DC control as claimed in claim 5 protects real-time emulation system, which is characterized in that the stability contorting
Drop control, frequency limit control and double frequency modulation control are returned including power ascension control, power.
8. compact DC control as claimed in claim 5 protects real-time emulation system, which is characterized in that the pole control protection
Including inverter open-circuit-protection, AC overvoltage protection, low AC voltage protection, DC minimum voltage protection, the protection of big Trigger Angle
And DC line protection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314758.0U CN209417545U (en) | 2019-03-12 | 2019-03-12 | Compact direct current control protection real-time simulation system |
| PCT/CN2019/087130 WO2020181651A1 (en) | 2019-03-12 | 2019-05-16 | Compact real-time simulation system for direct current control and protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920314758.0U CN209417545U (en) | 2019-03-12 | 2019-03-12 | Compact direct current control protection real-time simulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417545U true CN209417545U (en) | 2019-09-20 |
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| CN201920314758.0U Active CN209417545U (en) | 2019-03-12 | 2019-03-12 | Compact direct current control protection real-time simulation system |
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| WO (1) | WO2020181651A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221269A (en) * | 2020-03-11 | 2020-06-02 | 南方电网科学研究院有限责任公司 | Multi-loop direct current power grid stability simulation test system and method |
| CN111552196A (en) * | 2020-03-26 | 2020-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | User-defined program model interface method of compact direct current control protection device |
| CN111638655A (en) * | 2020-06-01 | 2020-09-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Periodic distribution method and system for compact direct current control protection device |
| CN112034734A (en) * | 2020-08-26 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Compact direct current operation management system and control method thereof |
| CN113848753A (en) * | 2021-09-24 | 2021-12-28 | 国网宁夏电力有限公司电力科学研究院 | Direct current control protection simulation system |
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| JPS6066625A (en) * | 1983-09-19 | 1985-04-16 | 株式会社日立製作所 | Protecting system of dc transmission system |
| US7936089B1 (en) * | 2006-07-31 | 2011-05-03 | Juniper Networks, Inc. | Adaptive power architecture for hot-swappable electronic modules |
| CN203056694U (en) * | 2013-01-18 | 2013-07-10 | 云南电网公司大理供电局 | Substation area intelligent control host device for digital substation |
| CN103176470B (en) * | 2013-02-26 | 2015-09-02 | 南京南瑞继保电气有限公司 | The experimental system of MMC flexible direct-current transmission of electricity Control protection equipment and method |
| CN203117778U (en) * | 2013-03-25 | 2013-08-07 | 国家电网公司 | Implementation and verification platform of power system reactive power compensation control algorithm |
| CN104076693B (en) * | 2014-06-03 | 2017-01-25 | 南方电网科学研究院有限责任公司 | Flexible direct current transmission real-time simulation system and simulation method thereof |
| CN107306029B (en) * | 2016-04-19 | 2024-01-16 | 南方电网科学研究院有限责任公司 | Analog quantity transmission system and method for hybrid power transmission control protection device |
| CN108663946A (en) * | 2017-03-31 | 2018-10-16 | 南方电网科学研究院有限责任公司 | Test method and system for control protection device in multi-terminal hybrid direct-current power transmission |
-
2019
- 2019-03-12 CN CN201920314758.0U patent/CN209417545U/en active Active
- 2019-05-16 WO PCT/CN2019/087130 patent/WO2020181651A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221269A (en) * | 2020-03-11 | 2020-06-02 | 南方电网科学研究院有限责任公司 | Multi-loop direct current power grid stability simulation test system and method |
| CN111552196A (en) * | 2020-03-26 | 2020-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | User-defined program model interface method of compact direct current control protection device |
| CN111638655A (en) * | 2020-06-01 | 2020-09-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Periodic distribution method and system for compact direct current control protection device |
| CN111638655B (en) * | 2020-06-01 | 2022-06-14 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Periodic distribution method and system for compact direct current control protection device |
| CN112034734A (en) * | 2020-08-26 | 2020-12-04 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Compact direct current operation management system and control method thereof |
| CN112034734B (en) * | 2020-08-26 | 2022-08-12 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Compact direct current operation management system and control method thereof |
| CN113848753A (en) * | 2021-09-24 | 2021-12-28 | 国网宁夏电力有限公司电力科学研究院 | Direct current control protection simulation system |
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| WO2020181651A1 (en) | 2020-09-17 |
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Effective date of registration: 20210715 Address after: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee before: China South Power Grid International Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: CHINA SOUTHERN POWER GRID Co.,Ltd. |