CN113433400A - System and method for testing voltage regulation transient performance of distributed new energy power station - Google Patents
System and method for testing voltage regulation transient performance of distributed new energy power station Download PDFInfo
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- CN113433400A CN113433400A CN202110582087.8A CN202110582087A CN113433400A CN 113433400 A CN113433400 A CN 113433400A CN 202110582087 A CN202110582087 A CN 202110582087A CN 113433400 A CN113433400 A CN 113433400A
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Abstract
The invention relates to a system and a method for testing voltage regulation transient performance of a distributed new energy power station, wherein the system comprises the following steps: the system comprises a computer, a message mapping device, a switch, an analog quantity acquisition device, a clock source device, an AVC substation and an execution terminal; the computer is connected with the message mapping device, the message mapping device is connected with the analog quantity acquisition device, the computer is also connected with the AVC substation through the switch, the computer is also connected with the execution terminal through the switch, the output end of the AVC substation is connected with the analog quantity acquisition device, the output end of the AVC substation is also connected with the execution terminal, and the output end of the clock source device is respectively connected with the AVC substation and the computer. The invention can mutually verify through two modes, and improves the measurement accuracy.
Description
Technical Field
The invention belongs to the technical field of voltage regulation transient performance testing, relates to a voltage regulation transient performance testing system and method, and particularly relates to a voltage regulation transient performance testing system and method for a distributed new energy power station.
Background
Since the 21 st century, the development of economy and society is rapid, the world energy demand is rapidly increased, and fossil energy is increasingly exhausted and accompanied by problems of environmental pollution and the like. Therefore, the green and clean new energy grid-connected power generation technology is generally concerned by people, for example, various power generation forms such as solar energy, wind energy and the like, and the clean and efficient new energy power generation technology is contributing to the development of economy and society in the world.
The voltage regulation of the new energy power station is realized through an automatic voltage regulation control system (AVC), the target value is sent to an AVC substation of the new energy power station through scheduling, and the AVC substation converts the scheduling instruction into a target instruction which can be identified by a power station control platform. The voltage transient regulation performance of the new energy power station comprises two important indexes of time required by overshoot of voltage regulation to reach a target value, and the performance of the two important indexes is related to the stability of grid voltage and the efficiency and the stability of remote control of dispatching.
At present, the acquisition of the analog quantity of the new energy power station can be realized through a portable fault recorder, but the portable fault recorder lacks the processing capacity of an automatic message, cannot acquire the time of a scheduling command reaching an AVC substation, and cannot calculate the response time of the new energy power station. On the other hand, the existing test system adopts windows operating system time, the time precision is in the second level, and the precision requirement of response time test cannot be met.
Through searching, no prior art publication which is the same as or similar to the present invention is found.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a system and a method for testing the voltage regulation transient performance of a distributed new energy power station, which are reasonable in design, accurate in calculation result and high in acquisition accuracy.
The invention solves the practical problem by adopting the following technical scheme:
a distributed new energy power station voltage regulation transient performance test system comprises: the system comprises a computer, a message mapping device, a switch, an analog quantity acquisition device, a clock source device, an AVC substation and an execution terminal;
the computer is connected with the message mapping device and is used for converting the command state in the memory of the computer into the relay switch state;
the message mapping device is connected with the analog quantity acquisition device and is used for acquiring the closing time of a switching relay in the message mapping device;
the computer is also connected with the AVC substation through the switch and is used for transmitting the instruction message to the AVC substation;
the computer is also connected with the execution terminal through the switch and used for returning the execution result of the execution terminal to the computer;
the output end of the AVC substation is connected with an analog quantity acquisition device and used for acquiring the voltage and the current of the new energy power station and outputting the acquired result to a computer;
the output end of the AVC substation is also connected with an execution terminal and used for transmitting the voltage regulating instruction to the execution terminal;
the output end of the clock source device is respectively connected with the AVC substation and the computer and used for providing time synchronization for the AVC substation and the computer.
And the message mapping device comprises a single chip microcomputer and a relay, wherein the single chip microcomputer is connected with the relay and used for transmitting a command initial signal transmitted to the single chip microcomputer by the computer through a USB (universal serial bus), and the single chip microcomputer outputs the command initial signal to drive the relay to act.
A method for testing voltage regulation transient performance of a distributed new energy power station comprises the following steps:
step 1, inputting a target voltage instruction Ut through a computer man-machine interface, simulating a scheduling master station by a computer to send a regulating instruction to an AVC substation, obtaining time t1 of instruction sending time from a clock source device through an SNTP protocol, and combining into a TCP message according to a 104 protocol;
step 2, the message mapping device closes the relay according to the data change in the memory of the single chip microcomputer;
step 3, after receiving the regulation instruction, the AVC substation performs protocol conversion and sends a target instruction to the execution terminal through the switch; the computer obtains a 104 protocol data packet which is sent to the execution terminal by the AVC substation through network analysis, and obtains the instruction time t 2;
step 4, the analog quantity acquisition device acquires the voltage and current of the grid-connected point and sends the voltage and current to the computer through the USB port; the computer calculates the effective value of the voltage of the new energy power station, compares the effective value with a target value, and records the time t3 when the effective value reaches the target value after the condition is met; the computer records the maximum value Um reached by the voltage of the grid-connected point after the instruction is sent;
and 5, calculating and adjusting the performance index.
Moreover, the regulation performance index is as follows: the time T reaching the target value is T3-T1; the overshoot index M is Um-Ut.
The invention has the advantages and beneficial effects that:
the method solves the problems that the command received by the AVC substation is a network message, the regulation result is an analog quantity, and the regulation time cannot be simply compared, and on one hand, the response time of the new energy power station is calculated by comparing the message time with the regulation result time; on the other hand, the command start bit is mapped to the relay output contact through the message mapping device, and the command start bit is recorded through the analog quantity acquisition device. The invention can mutually verify through two modes, and improves the measurement accuracy. By the device and the method, the voltage regulation transient performance index of the new energy power station can be obtained.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a process flow diagram of the present invention;
fig. 3 is a schematic structural diagram of a packet mapping apparatus according to the present invention.
Detailed Description
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
a distributed new energy power plant voltage regulation transient performance test system, as shown in fig. 1, includes: the system comprises a computer, a message mapping device, a switch, an analog quantity acquisition device, a clock source device, an AVC substation and an execution terminal;
the computer is connected with the message mapping device and is used for converting the command state in the memory of the computer into the relay switch state;
the message mapping device is connected with the analog quantity acquisition device and is used for acquiring the closing time of a switching relay in the message mapping device;
the computer is also connected with the AVC substation through the switch and is used for transmitting the instruction message to the AVC substation;
the computer is also connected with the execution terminal through the switch and used for returning the execution result of the execution terminal to the computer;
the output end of the AVC substation is connected with an analog quantity acquisition device and used for acquiring the voltage and the current of the new energy power station and outputting the acquired result to a computer;
the output end of the AVC substation is also connected with an execution terminal and used for transmitting the voltage regulating instruction to the execution terminal;
the output end of the clock source device is respectively connected with the AVC substation and the computer and used for providing time synchronization for the AVC substation and the computer.
In this embodiment, as shown in fig. 3, the message mapping device includes a single chip and a relay, where the single chip is connected to the relay and is used to transmit a command start signal to the single chip from the computer through a USB, and the single chip outputs the command start signal to drive the relay to operate.
The composition and function of the various components of the present invention are further described below:
a computer: notebook computers can be used, and the notebook computers are equipped with RJ45 interfaces and USB interfaces.
A message mapping device: firstly, the message mapping device is connected with the notebook computer through the USB module, the USB device completes the basic function of communication with the computer, and transmits the computer data to the memory of the single chip microcomputer. Secondly, the singlechip receives data transmitted by the USB and stores the data into the memory, and outputs a command state to a chip pin to drive the relay. And thirdly, the relay outputs the pin state of the singlechip to the analog quantity acquisition device.
The switch: the 5-interface exchanger can be used for connecting with a computer, an AVC substation and an execution terminal through a twisted pair. The TCP/IP protocol is adopted for communication with the connected equipment.
Analog quantity acquisition device: the test wire is connected with the message mapping device, the closing time of the switch relay is collected, and the test wire is connected with the AVC execution terminal to collect the voltage and the current of the new energy power station. And the USB interface is connected with a notebook computer, and the acquired result is transmitted to the computer.
A clock source device: and is connected with a computer through a twisted pair. And the computer is communicated with the SNTP protocol.
A method for testing transient performance of voltage regulation of a distributed new energy power station is shown in figure 2 and comprises the following steps:
step 1, inputting a target voltage instruction Ut through a computer man-machine interface, simulating a scheduling master station by a computer to send a regulating instruction to an AVC substation, obtaining time t1 of instruction sending time from a clock source device through an SNTP protocol, and combining into a TCP message according to a 104 protocol.
And 2, the message mapping device closes the relay according to the data change in the memory of the single chip microcomputer.
Step 3, after receiving the regulation instruction, the AVC substation performs protocol conversion and sends a target instruction to the execution terminal through the switch; the computer obtains 104 protocol data packets sent by the AVC substation to the execution terminal through network analysis, and obtains the instruction time t2 in the packets.
And 4, collecting the voltage and current of the grid-connected point by the analog quantity collecting device, and sending the voltage and current to the computer through the USB port. And the computer calculates the effective value of the voltage of the new energy power station, compares the effective value with a target value, and records the time t3 when the effective value reaches the target value after the condition is met. And the computer records the maximum value Um reached by the voltage of the grid-connected point after the instruction is sent.
And 5, calculating and adjusting the performance index.
The time T reaching the target value is T3-T1; the overshoot index M is Um-Ut.
The working principle of the invention is as follows:
the invention uses a clock source device to simulate and schedule a main station by a computer, sends a voltage regulation instruction to an AVC substation, obtains the time for the AVC substation to send the command to an execution terminal by capturing a message through a switch, and obtains the time for controlled equipment to reach a regulation target through a voltage and current acquisition device.
The invention can calculate the regulation time of the whole station and the protocol conversion time of the AVC substation by capturing the instruction sent by the AVC substation, and the execution time of the execution terminal and the calculation result are accurate. Because the computer processes the message and the time delay of the collector, the obtained metering result has errors. The invention adds a message mapping device, maps the memory field of the computer into the relay action contact output, and mutually verifies the result directly calculated by the computer through the acquisition of an analog quantity device, thereby improving the acquisition accuracy.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Claims (4)
1. The utility model provides a distributing type new forms of energy power station voltage regulation transient state capability test system which characterized in that: the method comprises the following steps: the system comprises a computer, a message mapping device, a switch, an analog quantity acquisition device, a clock source device, an AVC substation and an execution terminal;
the computer is connected with the message mapping device and is used for converting the command state in the memory of the computer into the relay switch state;
the message mapping device is connected with the analog quantity acquisition device and is used for acquiring the closing time of a switching relay in the message mapping device;
the computer is also connected with the AVC substation through the switch and is used for transmitting the instruction message to the AVC substation;
the computer is also connected with the execution terminal through the switch and used for returning the execution result of the execution terminal to the computer;
the output end of the AVC substation is connected with an analog quantity acquisition device and used for acquiring the voltage and the current of the new energy power station and outputting the acquired result to a computer;
the output end of the AVC substation is also connected with an execution terminal and used for transmitting the voltage regulating instruction to the execution terminal;
the output end of the clock source device is respectively connected with the AVC substation and the computer and used for providing time synchronization for the AVC substation and the computer.
2. The system for testing voltage regulation transient performance of the distributed new energy power station according to claim 1, characterized in that: the message mapping device comprises a single chip microcomputer and a relay, wherein the single chip microcomputer is connected with the relay and used for transmitting a command initial signal to the single chip microcomputer through a USB (universal serial bus) by a computer and outputting the command initial signal to drive the relay to act through the single chip microcomputer.
3. A distributed new energy power station voltage regulation transient performance test method is characterized by comprising the following steps: the method comprises the following steps:
step 1, inputting a target voltage instruction Ut through a computer man-machine interface, simulating a scheduling master station by a computer to send a regulating instruction to an AVC substation, obtaining time t1 of instruction sending time from a clock source device through an SNTP protocol, and combining into a TCP message according to a 104 protocol;
step 2, the message mapping device closes the relay according to the data change in the memory of the single chip microcomputer;
step 3, after receiving the regulation instruction, the AVC substation performs protocol conversion and sends a target instruction to the execution terminal through the switch; the computer obtains a 104 protocol data packet which is sent to the execution terminal by the AVC substation through network analysis, and obtains the instruction time t 2;
and 4, collecting the voltage and current of the grid-connected point by the analog quantity collecting device, and sending the voltage and current to the computer through the USB port. The computer calculates the effective value of the voltage of the new energy power station, compares the effective value with a target value, and records the time t3 when the effective value reaches the target value after the condition is met; the computer records the maximum value Um reached by the voltage of the grid-connected point after the instruction is sent;
and 5, calculating and adjusting the performance index.
4. The method for testing voltage regulation transient performance of the distributed new energy power station according to claim 3, characterized by comprising the following steps: the performance index of the step 5 is: the target value time T is T3-T1; the overshoot index M is Um-Ut.
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685138A (en) * | 2008-09-26 | 2010-03-31 | 浙江师范大学 | Method for testing electrical property of AC generating set |
| CN101836122A (en) * | 2007-10-25 | 2010-09-15 | Abb研究有限公司 | Operating a substation automation system |
| CN102175975A (en) * | 2011-01-22 | 2011-09-07 | 启明信息技术股份有限公司 | Power battery voltage monitoring control method and device for electric automobile |
| CN102937685A (en) * | 2012-12-11 | 2013-02-20 | 上海市电力公司 | Real-time simulation technique-based integrated testing platform for substation |
| CN102981115A (en) * | 2011-09-05 | 2013-03-20 | 福禄克公司 | Watchdog for voltage detector with display |
| CN103336476A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Intelligent phase selection control system and implementation method of transient characteristic testing system |
| CN103488835A (en) * | 2013-09-26 | 2014-01-01 | 国家电网公司 | Simulation platform and method for dispatching automation system |
| US20140114731A1 (en) * | 2012-10-19 | 2014-04-24 | Schweitzer Engineering Laboratories, Inc. | Voting Scheme for Time Alignment |
| US20150019156A1 (en) * | 2012-02-28 | 2015-01-15 | Jiangxi electric power science research institute | Multi-Node Synchronous On-Site Test Method |
| CN105226666A (en) * | 2015-11-10 | 2016-01-06 | 国家电网公司 | To the check method of reactive apparatus running status in transformer station's automatism voltage control |
| WO2018053947A1 (en) * | 2016-09-22 | 2018-03-29 | 国电南瑞科技股份有限公司 | Peer-to-peer mutual backup method suitable for multi-region integrated control of power grid |
| WO2018205315A1 (en) * | 2017-05-11 | 2018-11-15 | 南京南瑞继保电气有限公司 | Rapid power coordination control method for new energy station to participate in primary frequency regulation |
| CN109347115A (en) * | 2018-10-24 | 2019-02-15 | 南京南瑞继保电气有限公司 | A kind of the voltage coordinated control system and method for extensive new energy access power grid |
| CN110460154A (en) * | 2019-08-06 | 2019-11-15 | 国网江苏省电力有限公司淮安供电分公司 | Energy storage station cooperation control system of power framework |
| CN110879321A (en) * | 2019-11-29 | 2020-03-13 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Wind power plant AVC substation performance test method based on actual power grid disturbance waveform |
| CN111239666A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | Transient characteristic test system of far-end module box |
| CN111610398A (en) * | 2020-06-01 | 2020-09-01 | 国家电网有限公司 | Transformer substation reactive equipment inspection temperature measurement system and method |
| CN111786973A (en) * | 2020-06-19 | 2020-10-16 | 北京百度网讯科技有限公司 | Stream log acquisition method, device, equipment and storage medium |
| CN112421695A (en) * | 2020-11-30 | 2021-02-26 | 北京奥德威特电力科技股份有限公司 | Edge-computing-based wind-solar energy storage AGC/AVC coordination control system and method |
-
2021
- 2021-05-27 CN CN202110582087.8A patent/CN113433400A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836122A (en) * | 2007-10-25 | 2010-09-15 | Abb研究有限公司 | Operating a substation automation system |
| CN101685138A (en) * | 2008-09-26 | 2010-03-31 | 浙江师范大学 | Method for testing electrical property of AC generating set |
| CN102175975A (en) * | 2011-01-22 | 2011-09-07 | 启明信息技术股份有限公司 | Power battery voltage monitoring control method and device for electric automobile |
| CN102981115A (en) * | 2011-09-05 | 2013-03-20 | 福禄克公司 | Watchdog for voltage detector with display |
| US20150019156A1 (en) * | 2012-02-28 | 2015-01-15 | Jiangxi electric power science research institute | Multi-Node Synchronous On-Site Test Method |
| US20140114731A1 (en) * | 2012-10-19 | 2014-04-24 | Schweitzer Engineering Laboratories, Inc. | Voting Scheme for Time Alignment |
| CN102937685A (en) * | 2012-12-11 | 2013-02-20 | 上海市电力公司 | Real-time simulation technique-based integrated testing platform for substation |
| CN103336476A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Intelligent phase selection control system and implementation method of transient characteristic testing system |
| CN103488835A (en) * | 2013-09-26 | 2014-01-01 | 国家电网公司 | Simulation platform and method for dispatching automation system |
| CN105226666A (en) * | 2015-11-10 | 2016-01-06 | 国家电网公司 | To the check method of reactive apparatus running status in transformer station's automatism voltage control |
| WO2018053947A1 (en) * | 2016-09-22 | 2018-03-29 | 国电南瑞科技股份有限公司 | Peer-to-peer mutual backup method suitable for multi-region integrated control of power grid |
| WO2018205315A1 (en) * | 2017-05-11 | 2018-11-15 | 南京南瑞继保电气有限公司 | Rapid power coordination control method for new energy station to participate in primary frequency regulation |
| CN109347115A (en) * | 2018-10-24 | 2019-02-15 | 南京南瑞继保电气有限公司 | A kind of the voltage coordinated control system and method for extensive new energy access power grid |
| CN110460154A (en) * | 2019-08-06 | 2019-11-15 | 国网江苏省电力有限公司淮安供电分公司 | Energy storage station cooperation control system of power framework |
| CN110879321A (en) * | 2019-11-29 | 2020-03-13 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Wind power plant AVC substation performance test method based on actual power grid disturbance waveform |
| CN111239666A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | Transient characteristic test system of far-end module box |
| CN111610398A (en) * | 2020-06-01 | 2020-09-01 | 国家电网有限公司 | Transformer substation reactive equipment inspection temperature measurement system and method |
| CN111786973A (en) * | 2020-06-19 | 2020-10-16 | 北京百度网讯科技有限公司 | Stream log acquisition method, device, equipment and storage medium |
| CN112421695A (en) * | 2020-11-30 | 2021-02-26 | 北京奥德威特电力科技股份有限公司 | Edge-computing-based wind-solar energy storage AGC/AVC coordination control system and method |
Non-Patent Citations (2)
| Title |
|---|
| 周卫;黄东山;王晓明;李秋霞;: "基于暂态注入法的数字化变电站系统级时间特性测试", 南方电网技术, no. 09, 20 September 2015 (2015-09-20) * |
| 黄旭东;: "自动电压控制系统在发电厂侧的应用", 浙江电力, no. 01, 25 January 2014 (2014-01-25) * |
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