WO2019011067A1 - 安全稳定控制装置远程实时仿真系统 - Google Patents

安全稳定控制装置远程实时仿真系统 Download PDF

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Publication number
WO2019011067A1
WO2019011067A1 PCT/CN2018/088568 CN2018088568W WO2019011067A1 WO 2019011067 A1 WO2019011067 A1 WO 2019011067A1 CN 2018088568 W CN2018088568 W CN 2018088568W WO 2019011067 A1 WO2019011067 A1 WO 2019011067A1
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real
stability control
time simulation
safety
signal
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PCT/CN2018/088568
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English (en)
French (fr)
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郭琦
朱益华
饶宏
常东旭
韩伟强
李鹏
曾勇刚
Original Assignee
南方电网科学研究院有限责任公司
中国南方电网有限责任公司电网技术研究中心
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Priority claimed from CN201720838912.5U external-priority patent/CN207008315U/zh
Application filed by 南方电网科学研究院有限责任公司, 中国南方电网有限责任公司电网技术研究中心 filed Critical 南方电网科学研究院有限责任公司
Publication of WO2019011067A1 publication Critical patent/WO2019011067A1/zh

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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

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  • the utility model relates to the technical field of power system protection and control, in particular to a remote real-time simulation system for a safety and stability control device.
  • test methods include relay protection tester and recording playback test. Instrument and RTDS (Real Time Digital Simulator).
  • the RTDS simulation test has a series of advantages such as being able to simulate complex fault timing, performing real-time closed-loop test and testing the dynamic performance of the whole system.
  • the test object is generally a specific safety and stability control device in the laboratory, it is impossible to expose the site to safety and stability.
  • the correct action of the system Therefore, the traditional safety and stability control system cannot systematically test the safety and stability control system in the field, which brings hidden dangers to the reliable operation of the safety and stability control system.
  • a remote real-time simulation system for a safety and stability control device comprising a real-time simulation device, a signal conversion device and a safety and stability control device, the real-time simulation device is connected with the signal conversion device, and the signal conversion device is connected with the safety and stability control device;
  • the real-time simulation device receives the DC blocking fault command, performs real-time simulation according to the DC blocking fault command, and sends the simulated analog signal to the signal conversion device, and the signal conversion device converts the analog signal into the first signal and sends the signal to the safety and stability control device.
  • the safety and stability control device parses the first signal and issues a cutting machine load shedding command to the signal conversion device according to the preset strategy table, and the signal conversion device converts the cutting machine load shedding command into a second signal and sends the signal to the real-time simulation device, and the real-time simulation device is The second signal performs a cutting load shedding action.
  • the remote real-time simulation system of the above safety and stability control device comprises a real-time simulation device, a signal conversion device and a safety and stability control device, the real-time simulation device is connected with the signal conversion device, the signal conversion device is connected with the safety and stability control device, and the real-time simulation device receives the DC blocking fault.
  • the command performs real-time simulation according to the DC blocking fault command, and sends the simulated analog signal to the signal conversion device, and the signal conversion device converts the analog signal into the first signal and sends it to the safety and stability control device;
  • the safety and stability control device analyzes A signal sends a cutting load command to the signal conversion device according to the preset strategy table, and the signal conversion device converts the cutting load command into a second signal and sends the signal to the real-time simulation device, and the real-time simulation device performs the cutting according to the second signal.
  • the remote real-time simulation system of the safety and stability control device can realize real-time simulation test on the safety and stability control device of the wide-area distribution in the field, test the dynamic characteristics of the action of the safety and stability control device, and improve the safety and stability control device.
  • the reliability of remote real-time simulation system is the reason for the remote real-time simulation system.
  • FIG. 1 is a schematic structural diagram of a remote real-time simulation system of a safety and stability control device in an embodiment
  • FIG. 2 is a schematic structural diagram of a remote real-time simulation system of a safety and stability control device in an embodiment.
  • a remote real-time simulation system for a security and stability control device includes a real-time simulation device 100, a signal conversion device 200, and a security stability control device 300.
  • the real-time simulation device 100 is connected to the signal conversion device 200.
  • the signal conversion device 200 is connected to the security stabilization control device 300;
  • the real-time simulation device 100 receives the DC blocking fault command, performs real-time simulation according to the DC blocking fault command, and sends the simulated analog signal to the signal conversion device 200, and the signal conversion device 200 converts the analog signal into the first signal and sends it to the security.
  • the stability control device 300; the security stability control device 300 parses the first signal and issues a cutter load shedding command to the signal conversion device 200 according to the preset strategy table, and the signal conversion device 200 converts the cutter load shedding command into a second signal and transmits it to the real time.
  • the real-time simulation device 100 performs a cutter load shedding operation based on the second signal.
  • the real-time simulation device 100 is a device specially designed for studying electromagnetic transient phenomena in a power system, and is an all-digital electromagnetic system electromagnetic transient simulation device.
  • the RTDS RealTime Digital Simulator
  • the basic components of RTDS are divided into RACK (cabinet). Multiple RACKs are connected by bus and workstation interface card. The number of RACK is determined by the size of the simulation system.
  • Each RACK includes multiple RPC (Risc Processor Card) cards or 3PC. (Triple Processor Card) cards, each 3PC card includes 3 SHARC AD21062 digital signal processors, which are faster and more powerful.
  • the RTDS maintains continuous operation under real-time conditions, solves the equations of the power system quickly enough and produces outputs continuously, which truly represent the state of the actual network.
  • the signal conversion device 200 can receive the analog signal of the voltage, current, and the like that the real-time simulation device 100 performs real-time simulation output, and convert the analog signal into the first signal, and transmit the first signal to the security stabilization control device 300;
  • the exit information of the safety and stability control device 300 such as a cutter load shedding command, and the like, converts the cutter load shedding command into a second signal and transmits it to the real-time simulation device 100.
  • the signal conversion device 200 supports direct communication with the GTNET interface card, and does not require other process layer devices, and can flexibly configure the interactive data to meet the needs of different test objects.
  • the safety and stability control device 300 is mainly used for the safety and stability control of the regional power grid and the interconnected power grid of the large area, and is particularly suitable for the transient stability control system of a plurality of plant stations in a wide area, and can also be used for the safety and stability control of a single plant station.
  • the safety and stability control device adopts distributed system, master-slave structure, hardware and software realizes modular structure, flexible assembly, strong versatility, and can be mass-produced. Hardware and software design have multiple reliability measures to ensure safety and stability control device. It has high reliability under the premise of selectivity, quickness and sensitivity.
  • the structure of each device includes 1 set of mainframes, 0 ⁇ 4 sets of slaves and on-demand communication multiplexing devices.
  • the host and slave hardware and software realize modularization and standardization, the number of slaves and the external communication interface of the host.
  • the quantity and type are configured on demand, the device is flexible and convenient to expand, can adapt to the flexible and stable power grid stability control needs, and the full communication expansion capability makes it meet and adapt to various large-scale complex stability control systems.
  • the remote real-time simulation system of the above-mentioned safety and stability control device includes a real-time simulation device 100, a signal conversion device 200, and a safety stability control device 300.
  • the real-time simulation device 100 is connected to the signal conversion device 200, and the signal conversion device 200 is connected to the safety stability control device 300.
  • the real-time simulation device 100 receives the DC blocking fault command, performs real-time simulation according to the DC blocking fault command, and sends the simulated analog signal to the signal conversion device 200, and the signal conversion device 200 converts the analog signal into the first signal and sends it to the security.
  • the stability control device 300 analyzes the first signal and issues a cutting load shedding command to the signal conversion device 200 according to the preset strategy table.
  • the preset strategy table stores the correspondence between the first signal and the cutting load shedding command.
  • the signal conversion device 200 converts the cutting load command into a second signal and sends the signal to the real-time simulation device 100.
  • the real-time simulation device 100 performs a cutting and cutting action according to the second signal.
  • the remote real-time simulation system of the safety and stability control device can be Achieve security for on-site wide-area distribution Dynamic characteristics of a given control device to carry out real-time simulation test, test equipment operation safety and stability control, and improve the reliability of the device remote real-time simulation system security and stability control.
  • the security and stability control device remote real-time simulation system further includes an interface board, and the real-time simulation device is connected to the signal conversion device through the interface board.
  • the real-time simulation device is bidirectionally connected to the high-speed communication interface board GTNET through a 100 Mbps (Million bits per second) optical fiber, and the output of the real-time simulation device transmits analog signals such as voltage and current and other switching signals.
  • the high-speed communication interface board GTNET sends the operation and exit information of the safety and stability control device, such as cutting machine, load shedding, and disconnection line, to the input end of the real-time simulation device, and the high-speed communication interface board.
  • GTNET and signal conversion device are bidirectionally connected through 100Mbps Ethernet.
  • the high-speed communication interface board GTNET sends analog voltage signals and other switching signals from the output of the real-time simulation device to the signal conversion device via Ethernet.
  • the signal conversion device The operation exit information of the safety and stability control device, such as cutting machine and load shedding, is sent to the high-speed communication interface board GTNET via Ethernet.
  • the signal conversion device comprises a receiving module and a transmitting module, the receiving module is a receiving module loaded with a GOOSE communication protocol, and the sending module is a transmitting module loaded with an SV communication protocol.
  • the security and stability control device remote real-time simulation system further includes a DC control protection device, and the real-time simulation device is connected to the signal conversion device through the DC control protection device.
  • the security stabilization device remote real-time emulation system further includes a hub, and the real-time emulation device is coupled to the signal conversion device through a hub.
  • the remote real-time simulation system of the security and stability control device includes a first hub and a second hub, and the analog signal output by the real-time simulation device is sent to the signal rotation device through the first hub, and the signal conversion device receives the cutting load-cut command Converted to a second signal and sent to the real-time emulation device via the second hub.
  • the DC control protection device sends the unlock state, the lock state, the protection lock, and the like to the signal conversion device through the first hub; the signal conversion device returns the network state, the island state, the DC power boost command, and the DC power through the second hub Commands and DC power limit commands are sent to the DC control protection device.
  • the remote real-time simulation system of the safety and stability control device further includes a signal multiplexing device, and the signal conversion device is connected to the safety stability control device through the signal multiplexing device.
  • the security and stability control device remote real-time simulation system further includes an optical transmission device, the signal multiplexing device includes a first signal multiplexing device and a second signal multiplexing device, and the signal conversion device passes the first signal multiplexing device. The optical transmission device is connected to the second signal multiplexing device, and the second signal multiplexing device is connected to the safety and stability control device.
  • the optical transmission device in the remote real-time simulation system of the security and stability control device comprises a first optical transmission device and a second optical transmission device, and the signal conversion device is bidirectionally connected to the first signal multiplexing device through the 2 Mbps optical fiber, and the first signal is multiplexed.
  • the device is bidirectionally connected to the first optical transmission device by using an E1 protocol through a 2 Mbps coaxial cable; the first optical transmission device converts the electrical signal sent by the first signal multiplexing device into an optical signal, and connects the optical signal through the 2.5G optical interface.
  • the ASON Automatically Switched Optical Network
  • the second optical transmission device accesses the optical transmission ASON network through the 2.5G optical interface, and converts the optical signal into an electrical signal; the second optical transmission device passes 2 Mbps.
  • the coaxial cable is bidirectionally connected to the second signal multiplexing device by the E1 protocol; the security and stability control device is bidirectionally connected to the second signal multiplexing device through the 2 Mbps optical fiber.
  • the communication frame length of the optical transmission ASON network is 12 words, wherein 4 words are the computing power of the electrical component, and are transmitted in 3 frames, and the computing power of 12 electrical components can be transmitted in total; the communication address of the signal conversion device is fixed. Is 100.
  • the remote real-time simulation system of the security and stability control device further includes a monitoring device, and the monitoring device is connected to the signal conversion device.
  • the monitoring device is connected to the signal conversion device through the 100 Mbps Ethernet, and receives the action message of the signal conversion device.
  • Information such as protection information, real-time monitoring of test operation and test conditions, recording of test action messages and fault recording, thus achieving panoramic control and full-track tracking of the system, improving the test level of the remote real-time simulation system of the safety and stability control device.
  • the signal conversion device in the remote real-time simulation system of the security stability control device is provided with a control module that controls whether the security stability control device uses remote testing.
  • the signal conversion device is provided with a “test station x remote test input” control module and a “test station x channel delay time” parameter setting module, and a “test station x remote test input” control module is used to control whether the safety and stability control device is used.
  • the “Test Station x Channel Delay Time” parameter setting module is used to simulate the communication delay between the signal conversion device and the safety and stability control device.
  • the security stability control device in the remote real-time simulation system of the security stability control device is provided with a remote real-time simulation test interface for acquiring data of the signal conversion device. Specifically, when the "test station x remote test input" control module of the signal conversion device is put into use, the remote real-time simulation test interface allows the data of the signal conversion device to be acquired.
  • a remote real-time simulation system for a safety and stability control device includes a real-time simulation device, a DC control protection device, a high-speed communication interface board GTNET, a switching hub, a remote test signal conversion device, Multi-channel digital signal multiplexing device, optical transmission device, optical transmission ASON network, security and stability control device and background monitoring device;
  • the real-time simulation device is bidirectionally connected to the high-speed communication interface board GTNET through 100Mbps optical fiber.
  • the real-time simulation device sends analog signals such as voltage and current to the high-speed communication interface board GTNET.
  • the high-speed communication interface board GTNET will cut, load and unload the line.
  • the switching signal such as the line is sent to the real-time simulation device;
  • the high-speed communication interface board GTNET and the remote test signal conversion device are bidirectionally connected by 100Mbps Ethernet.
  • the high-speed communication interface board GTNET sends analog signals such as voltage and current generated by the real-time simulation device to the remote test signal conversion device via Ethernet.
  • the remote test signal conversion device sends a switching signal such as cutting machine and load shedding to the high-speed communication interface board GTNET through the Ethernet;
  • the DC control protection device transmits the unlock state, the lock state, the protection lock, and the like to the remote test signal conversion device through the first switch amount hub; the remote test signal conversion device transmits the network state, the island state, and the DC power boost command through the second switch hub a DC power return command and a DC power limit command are sent to the DC control protection device;
  • the remote test signal conversion device is bidirectionally connected to the first multi-channel digital signal multiplexing device through the 2 Mbps optical fiber, and the first multi-channel digital signal multiplexing device is bidirectionally connected to the first optical transmission device by the E1 protocol through the 2 Mbps coaxial cable, the first light
  • the transmission device converts the electrical signal sent by the first multi-channel digital signal multiplexing device into an optical signal, and connects the optical signal to the optical transmission ASON network through the 2.5G optical interface, and the second optical transmission device accesses through the 2.5G optical interface.
  • the optical transmission ASON network converts the optical signal into an electrical signal, and the second optical transmission device is bidirectionally connected to the second multi-channel digital signal multiplexing device via the 2 Mbps coaxial cable by the E1 protocol; the second multi-channel digital signal multiplexing device passes 2Mbps optical fiber and two-way connection with safety and stability control device;
  • the background monitoring device is connected to the remote test signal conversion device through 100Mbps Ethernet, and receives the action message and protection information of the remote test signal conversion device;
  • the communication frame length of the optical transmission ASON network is 12 words, of which 4 words are electrical
  • the calculated power of the component is transmitted in three frames, and the total calculation power of 12 electrical components can be transmitted;
  • the communication address of the remote test signal conversion device is fixed at 100.
  • the remote test signal conversion device is respectively provided with a transmitting module and a receiving module, the communication protocol of the transmitting module is GOOSE protocol (IEC-61850 GOOSE/GSSE), and the communication protocol of the receiving module is SV protocol (IEC-61850-9-2).
  • the remote test signal conversion device After receiving the analog signal of voltage, current, etc. of the line, the remote test signal conversion device performs the line stop, start and trip determination according to the system general logic.
  • the line trip type includes: no fault trip, three-phase fault trip, phase-to-phase fault trip, Single permanent fault trip, single instantaneous + single permanent fault trip and single instantaneous + phase fault trip.
  • Each standard unit of the remote test signal conversion device is equipped with one host and eight slaves. The master and the slave are bidirectionally connected by 10Mbps fiber.
  • Each slave can collect 6 voltage and current analog signals and 48 open.
  • the input signal and the 32 output signals, the remote test signal conversion device has at least the ability to acquire 288 voltage and current analog signals, 288 open input signals and 256 open output signals.
  • the remote test signal conversion device is provided with a "test station x remote test input” control module and a “test station x channel delay time” parameter setting module, and a "test station x remote test input” control module is used to control whether the safety and stability control device uses the remote Test, the "test station x channel delay time” parameter setting module is used to simulate the communication delay between the remote test signal conversion device and the safety and stability control device.
  • the safety and stability control device is provided with a remote real-time simulation test interface, and the remote real-time is allowed only when the "test platen" of the safety and stability control device and the "test station x remote test input" control module of the remote test signal conversion device are simultaneously input.
  • the simulation test interface acquires data of the remote test signal conversion device.
  • the panoramic remote real-time simulation test system of the above safety and stability control device comprises real-time simulation device, DC control protection device, high-speed communication interface board GTNET, switching hub, remote test signal conversion device, multi-channel digital signal multiplexing device, optical transmission Equipment, optical transmission ASON network, safety and stability control device and background monitoring device are used to carry out real-time simulation test on the safety and stability control device of the wide-area distribution in the field, comprehensively test the dynamic characteristics of the operation of the safety and stability control device, and improve the debugging of the field device. Automation level and commissioning efficiency.
  • the remote real-time simulation system of the safety and stability control device comprises a real-time simulation device, a DC protection control device, a high-speed communication interface board, a switching hub, a signal conversion device, and a safety and stability control device, wherein the real-time simulation device and the DC
  • the protection control device can simulate the high-voltage direct current transmission project of the power grid, simulate the dynamic response of the power grid system after large disturbance, and can dynamically feedback the analog quantity and the switch quantity according to the control timing.
  • the real-time simulation device and the safety and stability control device can be multiple
  • Each of the security and stability control devices respectively constitutes a communication network through the optical transmission network and the signal conversion device, that is, the signal conversion device is equivalent to adding a communication node in the system, and each of the security and stability control devices passes through the 2 Mbps Fibre Channel and the communication node. Perform data interaction.
  • the communication address of the signal conversion device can be fixed to 100.
  • each communication node transmits data at a rate of 600 frames/s, and each frame has a length of 12 16-bit words, wherein The four words are the calculated power of the electrical components, which are transmitted in three frames.
  • the total calculation power of 12 electrical components can be transmitted; the four words are control commands, the transmission command interactive information; the two words transmit the switching signals bit by bit, and the other two Words are used for communication data verification.
  • the calculation power, 16-way switch quantity and more than 4 control commands of not less than 12 power system components are transmitted within 5 ms, which ensures the synchronization and real-time performance of data transmission.
  • the remote closed-loop test of the on-site safety and stability control device is completed in the laboratory based on the dynamic simulation output and control timing of the RTDS real-time simulation device.
  • the laboratory background monitoring device can record and monitor the action message and fault recording during the test.
  • the signal conversion device 200 is configured as multiple sets, and each of the signal conversion devices 200 is provided with a matching signal multiplexing device, and the signal multiplexing device is bidirectional with the corresponding signal conversion device 200. connection.
  • the interface between the real-time simulation device 100 and the security stability control device 300 tested in the field is completed by the signal conversion device 200 and the associated signal multiplexing device, and the bidirectional conversion and communication functions are completed.
  • the real-time simulation device 100 also transmits a switching amount to the signal conversion device 200; the interface between the real-time simulation device 100 and the signal conversion device 200 adopts a standardized design, and the real-time simulation device 100
  • the number of analog quantities, the number of switches, the type of switches, and the position of the access device transmitted by the signal conversion device 200 are relatively fixed.
  • the analog conversion amount is acquired by the signal conversion device 200, it is converted into a digital signal by an analog value calculation, a pause, a trip determination, or the like, and is transmitted to each of the plant stations to be tested by the safety stability control device 300.
  • the action exit information of the safety stability control device 300 that is tested is received and fed back to the real-time simulation device 100 in the form of a contact.
  • a standardized communication protocol is adopted between the signal conversion device 200 and the tested safety stability control device 300, and the content transmitted by the signal conversion device 200 to each of the tested safety stability control devices 300 is completely identical.
  • the data format transmitted by each of the tested safety stability control devices 300 to the signal conversion device 200 is completely identical.
  • the security stability control device 300 is provided with a remote test activation unit that performs a rollback according to the test requirements;
  • the remote test activation unit When the real-time simulation device 100 transmits the simulation test signal through the signal conversion device 200, the remote test activation unit inputs a remote test mode, that is, the remote test activation unit receives the analog quantity provided by the real-time simulation device 100. Information, and replace the actually collected analog quantity with the received analog quantity provided by the real-time simulation apparatus 100; and send the device test action exit information feedback to the real-time simulation apparatus 100;
  • the remote test activation unit exits the remote test mode, and the safety stability control device 300 operates normally.
  • the remote test activation unit performs touch control through a control word or a soft pressure plate.
  • the interchange between the normal operation and the remote test mode of the safety and stability control device 300 can be realized by the remote test starting unit, and the soft pressure plate can be specifically an on-off valve.
  • each of the signal conversion devices 200 simultaneously performs simulation tests with M safety stability control devices 300, wherein M ⁇ 2; N identical signal conversion devices 200 implement N ⁇ M plant stations.
  • the safety and stability control device 300 is combined with a simulation test in which N ⁇ 1. Improve the efficiency of simulation testing.
  • the interface between the signal conversion device 200 and the real-time simulation device 100 and the tested safety stability control device 300 is standardized. Therefore, the functions and configurations of the plurality of the signal conversion devices 200 are completely identical. Good reusability.
  • the same signal conversion device 200 can realize the joint simulation test of the safety and stability control device 300 of the N ⁇ M (where N ⁇ 1) stations in the system, and has good system scalability.

Abstract

一种安全稳定控制装置（300）远程实时仿真系统，包括实时仿真装置（100）、信号转换装置（200）以及安全稳定控制装置（300），实时仿真装置（100）与信号转换装置（200）连接，信号转换装置（200）与安全稳定控制装置（300）连接，实时仿真装置（100）接收直流闭锁故障指令，进行实时仿真，将得到的模拟量信号发送至信号转换装置（200），信号转换装置（200）将模拟量信号转换为第一信号发送至安全稳定控制装置（300）；安全稳定控制装置（300）接收第一信号并根据预设策略表发出切机切负荷指令至信号转换装置（200），信号转换装置（200）将切机切负荷指令转换成第二信号发送至实时仿真装置（100），实时仿真装置（100）根据第二信号，执行切机切负荷动作。

Description

安全稳定控制装置远程实时仿真系统 技术领域
本实用新型涉及电力系统保护与控制技术领域，特别是涉及一种安全稳定控制装置远程实时仿真系统。
背景技术
随着特高压大电网的建设，以及新能源发电、直流输电、电力电子装置等大量使用，电力系统的规模和复杂程度日益增加，给电力系统安全稳定运行带来愈发严峻的挑战。安全稳定控制系统作为保证电力系统安全稳定运行的第二道防线，在全国各电网得到普遍应用，已成为电网日常运行不可或缺的重要组成部分。
由于大型安全稳定控制系统分布区域广，涉及厂站多，装置型号多种多样，其高度复杂性为试验工作带来了巨大的挑战，常用的测试方法有继电保护测试仪、录波回放测试仪和RTDS(Real Time Digital Simulator，实时数字仿真器)。
RTDS仿真试验具有能够模拟复杂故障时序，进行实时闭环试验并测试整个系统的动态性能等一系列优点，但由于测试的对象一般都是实验室内特定的安全稳定控制装置，因此无法暴露现场安全稳定控制系统可能存在的隐性故障，如装置、策略、定值、通信和二次回路等关键环节故障，即由于模拟场景存在的固有差异，实验室测试结果的正确性无法完全保证现场安全稳定控制系统的正确动作。因此，传统的安全稳定控制系统无法对现场运行的安全稳定控制系统进行系统测试，给安全稳定控制系统的可靠运行带来了隐患。
实用新型内容
基于此，有必要针对传统安全稳定控制系统无法对现场运行进行系统测试，造成安全稳定控制系统可靠性不高的问题，提供一种高可靠性的安全稳定控制装置远程实时仿真系统。
一种安全稳定控制装置远程实时仿真系统，包括实时仿真装置、信号转换 装置以及安全稳定控制装置，实时仿真装置与信号转换装置连接，信号转换装置与安全稳定控制装置连接；
实时仿真装置接收直流闭锁故障指令，根据直流闭锁故障指令进行实时仿真，并将仿真得到的模拟量信号发送至信号转换装置，信号转换装置将模拟量信号转换为第一信号发送至安全稳定控制装置；安全稳定控制装置解析第一信号并根据预设策略表发出切机切负荷指令至信号转换装置，信号转换装置将切机切负荷指令转换成第二信号发送至实时仿真装置，实时仿真装置根据第二信号，执行切机切负荷动作。
上述安全稳定控制装置远程实时仿真系统，包括实时仿真装置、信号转换装置以及安全稳定控制装置，实时仿真装置与信号转换装置连接，信号转换装置与安全稳定控制装置连接，实时仿真装置接收直流闭锁故障指令，根据直流闭锁故障指令进行实时仿真，并将仿真得到的模拟量信号发送至信号转换装置，信号转换装置将模拟量信号转换为第一信号发送至安全稳定控制装置；安全稳定控制装置解析第一信号并根据预设策略表发出切机切负荷指令至信号转换装置，信号转换装置将切机切负荷指令转换成第二信号发送至实时仿真装置，实时仿真装置根据第二信号，执行切机切负荷动作，该安全稳定控制装置远程实时仿真系统可以实现对现场广域分布的安全稳定控制装置开展实时仿真试验，测试安全稳定控制装置动作的动态特性，提高了安全稳定控制装置远程实时仿真系统的可靠性。
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图1为一个实施例中安全稳定控制装置远程实时仿真系统的结构示意图；
图2为一个实施例中安全稳定控制装置远程实时仿真系统的结构示意图。
具体实施方式
在一个实施例中，如图1所示，一种安全稳定控制装置远程实时仿真系统，包括实时仿真装置100、信号转换装置200以及安全稳定控制装置300，实时仿 真装置100与信号转换装置200连接，信号转换装置200与安全稳定控制装置300连接；
实时仿真装置100接收直流闭锁故障指令，根据直流闭锁故障指令进行实时仿真，并将仿真得到的模拟量信号发送至信号转换装置200，信号转换装置200将模拟量信号转换为第一信号发送至安全稳定控制装置300；安全稳定控制装置300解析第一信号并根据预设策略表发出切机切负荷指令至信号转换装置200，信号转换装置200将切机切负荷指令转换成第二信号发送至实时仿真装置100，实时仿真装置100根据第二信号，执行切机切负荷动作。
实时仿真装置100是一种专门设计用于研究电力系统中电磁暂态现象的装置，是一个全数字化的电力系统电磁暂态模拟装置，RTDS(RealTime Digital Simulator，实时数字仿真器)硬件基于数字信号处理器和并行计算，计算速度可达到实时输出的目的。RTDS的基本组成部分分为RACK(机柜)，多个RACK之间通过总线和工作站接口卡相连，RACK的数量由仿真系统的规模决定，每个RACK包括多个RPC(Risc Processor Card)卡或3PC(Triple Processor Card)卡，每个3PC卡包括3个SHARC AD21062数字信号处理器，速度更快，功能更强。RTDS能维持实时条件下的连续运行，能足够快地求解电力系统的方程并连续地产生输出，这些输出真实地代表了实际网络的状态。
信号转换装置200可以接收实时仿真装置100进行实时仿真输出的电压、电流等模拟量信号，并将模拟量信号转换为第一信号，将第一信号传输至安全稳定控制装置300；同时还可以接收安全稳定控制装置300的出口信息，比如切机切负荷指令等信息，并将切机切负荷指令转换为第二信号发送至实时仿真装置100。信号转换装置200支持直接与GTNET接口板卡通信，不需要其它过程层设备，能够对交互的的数据进行灵活配置，以适应不同测试对象的需求。
安全稳定控制装置300主要用于区域电网及大区互联电网的安全稳定控制，尤其适合广域的多个厂站的暂态稳定控制系统，也可用于单个厂站的安全稳定控制。安全稳定控制装置采用分布式体系，主从式结构，其硬件软件实现了模块化结构，拼装灵活、通用性强，能够批量生产，硬件、软件设计有多重可靠性措施，在保证安全稳定控制装置的选择性、速动性、灵敏性的前提下，具有 高度的可靠性。每套装置的结构包括1套主机、0～4套从机以及按需配置的通信复接装置，主机、从机硬件与软件实现了模块化、标准化，从机的数量和主机对外的通信接口数量、型式按需配置，装置扩充灵活方便，能够适应灵活多变的电网稳定控制需要，充分的通信扩展能力使其满足和适用于现今各种大型复杂稳控系统。
上述安全稳定控制装置远程实时仿真系统，包括实时仿真装置100、信号转换装置200以及安全稳定控制装置300，实时仿真装置100与信号转换装置200连接，信号转换装置200与安全稳定控制装置300连接，实时仿真装置100接收直流闭锁故障指令，根据直流闭锁故障指令进行实时仿真，并将仿真得到的模拟量信号发送至信号转换装置200，信号转换装置200将模拟量信号转换为第一信号发送至安全稳定控制装置300；安全稳定控制装置300解析第一信号并根据预设策略表发出切机切负荷指令至信号转换装置200，预设策略表中存储有第一信号与切机切负荷指令的对应关系，信号转换装置200将切机切负荷指令转换成第二信号发送至实时仿真装置100，实时仿真装置100根据第二信号，执行切机切负荷动作，该安全稳定控制装置远程实时仿真系统可以实现对现场广域分布的安全稳定控制装置开展实时仿真试验，测试安全稳定控制装置动作的动态特性，提高了安全稳定控制装置远程实时仿真系统的可靠性。
在一个实施例中，安全稳定控制装置远程实时仿真系统还包括接口板卡，实时仿真装置通过接口板卡与信号转换装置连接。具体地，实时仿真装置通过100Mbps(Million bits per second，兆比特每秒)光纤与高速通信接口板卡GTNET双向连接，实时仿真装置的输出端将电压、电流等模拟量信号及其它开关量信号送至高速通信接口板卡GTNET，高速通信接口板卡GTNET将安全稳定控制装置的动作出口信息，比如切机、切负荷、解列线路等信号送至实时仿真装置的输入端，高速通信接口板卡GTNET与信号转换装置通过100Mbps以太网双向连接，高速通信接口板卡GTNET将实时仿真装置输出端发出的电压、电流等模拟量信号及其它开关量信号通过以太网送至信号转换装置，信号转换装置将安全稳定控制装置的动作出口信息，比如切机、切负荷等信号通过以太网送至高速通信接口板卡GTNET。其中，信号转换装置包括接收模块和发送模块，接 收模块为加载有GOOSE通信协议的接收模块，发送模块为加载有SV通信协议的发送模块。
在一个实施例中，安全稳定控制装置远程实时仿真系统还包括直流控制保护装置，实时仿真装置通过直流控制保护装置与信号转换装置连接。在另一个实施例中，安全稳定控制装置远程实时仿真系统还包括集线器，实时仿真装置通过集线器与信号转换装置连接。具体地，安全稳定控制装置远程实时仿真系统包括第一集线器和第二集线器，实时仿真装置输出的模拟量信号通过第一集线器发送至信号转转装置，信号转换装置将接收的切机切负荷指令转换为第二信号并通过第二集线器发送至实时仿真装置。进一步地，直流控制保护装置通过第一集线器将解锁状态、闭锁状态、保护闭锁等发送至信号转换装置；信号转换装置通过第二集线器将联网状态、孤岛状态、直流功率提升命令、直流功率回降命令和直流功率限制命令等发送至直流控制保护装置。
在一个实施例中，安全稳定控制装置远程实时仿真系统还包括信号复接装置，信号转换装置通过信号复接装置与安全稳定控制装置连接。在另一个实施例中，安全稳定控制装置远程实时仿真系统还包括光传输设备，信号复接装置包括第一信号复接装置和第二信号复接装置，信号转换装置通过第一信号复接装置与光传输设备连接，光传输设备与第二信号复接装置连接，第二信号复接装置与安全稳定控制装置连接。具体地，安全稳定控制装置远程实时仿真系统中的光传输设备包括第一光传输设备和第二光传输设备，信号转换装置通过2Mbps光纤与第一信号复接装置双向连接，第一信号复接装置通过2Mbps同轴电缆以E1协议与第一光传输设备双向连接；第一光传输设备将第一信号复接装置发来的电信号转换为光信号，并将光信号通过2.5G光接口接入光传输ASON(Automatically Switched Optical Network，自动交换光网络)网；第二光传输设备通过2.5G光接口接入光传输ASON网，并将光信号转换为电信号；第二光传输设备通过2Mbps同轴电缆以E1协议与第二信号复接装置双向连接；安全稳定控制装置通过2Mbps光纤与第二信号复接装置双向连接。进一步地，光传输ASON网的通信帧长为12个字，其中4个字为电气元件的计算功率，分3帧传送，一共可传送12个电气元件的计算功率；信号转换装置的通信地址固定为100。
在一个实施例中，安全稳定控制装置远程实时仿真系统还包括监控装置，监控装置与信号转换装置连接，具体地，监控装置通过100Mbps以太网与信号转换装置连接，接收信号转换装置的动作报文、保护信息等信息，能够实时监控测试的运行和试验情况，可以记录试验动作报文和故障录波，从而实现系统的全景控制和全程跟踪，提高安全稳定控制装置远程实时仿真系统的测试水平。
在一个实施例中，安全稳定控制装置远程实时仿真系统中的信号转换装置设置有控制安全稳定控制装置是否使用远程测试的控制模块。具体地，信号转换装置设置有“测试站x远程测试投入”控制模块和“测试站x通道延迟时间”参数设置模块，“测试站x远程测试投入”控制模块用于控制安全稳定控制装置是否使用远程测试，“测试站x通道延迟时间”参数设置模块用于模拟信号转换装置与安全稳定控制装置之间的通信延时。在另一个实施例中，安全稳定控制装置远程实时仿真系统中的安全稳定控制装置设置有获取信号转换装置数据的远程实时仿真试验接口。具体地，当信号转换装置的“测试站x远程测试投入”控制模块投入使用时，远程实时仿真试验接口才允许获取信号转换装置的数据。
在一个实施例中，一种安全稳定控制装置远程实时仿真系统，如图2所示，包括实时仿真装置、直流控制保护装置、高速通信接口板卡GTNET、开关量集线器、远程试验信号转换装置、多路数字信号复接装置、光传输设备、光传输ASON网、安全稳定控制装置和后台监控装置；
实时仿真装置通过100Mbps光纤与高速通信接口板卡GTNET双向连接，实时仿真装置将电压、电流等模拟量信号发送至高速通信接口板卡GTNET，高速通信接口板卡GTNET将切机、切负荷和解列线路等开关量信号发送至实时仿真装置；
高速通信接口板卡GTNET与远程试验信号转换装置通过以100Mbps以太网双向连接，高速通信接口板卡GTNET将实时仿真装置发出的电压、电流等模拟量信号通过以太网发送至远程试验信号转换装置，远程试验信号转换装置将切机、切负荷等开关量信号通过以太网发送至高速通信接口板卡GTNET；
直流控制保护装置通过第一开关量集线器将解锁状态、闭锁状态、保护闭锁等发送至远程试验信号转换装置；远程试验信号转换装置通过第二开关量集 线器将联网状态、孤岛状态、直流功率提升命令、直流功率回降命令和直流功率限制命令等发送至直流控制保护装置；
远程试验信号转换装置通过2Mbps光纤与第一多路数字信号复接装置双向连接，第一多路数字信号复接装置通过2Mbps同轴电缆以E1协议与第一光传输设备双向连接，第一光传输设备将第一多路数字信号复接装置发来的电信号转换为光信号，并将光信号通过2.5G光接口接入光传输ASON网，第二光传输设备通过2.5G光接口接入光传输ASON网，并将光信号转换为电信号，第二光传输设备通过2Mbps同轴电缆以E1协议与第二多路数字信号复接装置双向连接；第二多路数字信号复接装置通过2Mbps光纤与安全稳定控制装置双向连接；
后台监控装置通过100Mbps以太网与远程试验信号转换装置连接，接收远程试验信号转换装置的动作报文、保护信息等信息；光传输ASON网的通信帧长为12个字，其中4个字为电气元件的计算功率，分3帧传送，一共可传送12个电气元件的计算功率；远程试验信号转换装置的通信地址固定为100。
远程试验信号转换装置分别设置有发送模块和接收模块，发送模块的通信协议为GOOSE协议(IEC-61850 GOOSE/GSSE)，接收模块的通信协议为SV协议(IEC-61850-9-2)。远程试验信号转换装置接收到线路的电压、电流等模拟量信号后按照系统通用逻辑进行线路的投停、启动和跳闸判别，线路跳闸类型包括：无故障跳闸、三相故障跳闸、相间故障跳闸、单永故障跳闸、单瞬+单永故障跳闸和单瞬+相间故障跳闸。远程试验信号转换装置的每个标准单元配置1台主机和8台从机，主机和从机之间通过10Mbps光纤双向连接，每个从机可采集6路电压、电流模拟量信号和48个开入量信号、32个开出量信号，远程试验信号转换装置至少具备采集288路电压及电流模拟量信号、288个开入量信号和256路开出量信号的能力。远程试验信号转换装置设置有“测试站x远程测试投入”控制模块和“测试站x通道延迟时间”参数设置模块，“测试站x远程测试投入”控制模块用于控制安全稳定控制装置是否使用远程测试，“测试站x通道延迟时间”参数设置模块用于模拟远程试验信号转换装置与安全稳定控制装置之间的通信延时。安全稳定控制装置设置有远程实时仿真试验接口，当且仅当安全稳定控制装置的“试验压板”和远程试验信号转换装置的“测试站x远程 测试投入”控制模块同时投入时，才允许远程实时仿真试验接口获取远程试验信号转换装置的数据。
上述安全稳定控制装置的全景远程实时仿真试验系统，包括实时仿真装置、直流控制保护装置、高速通信接口板卡GTNET、开关量集线器、远程试验信号转换装置、多路数字信号复接装置、光传输设备、光传输ASON网、安全稳定控制装置和后台监控装置，用于对现场广域分布的安全稳定控制装置开展实时仿真试验，全面地测试安全稳定控制装置动作的动态特性，可提高现场装置调试自动化水平和调试效率。
在一个实施例中，安全稳定控制装置远程实时仿真系统包括实时仿真装置、直流保护控制装置、高速通信接口板卡、开关量集线器、信号转换装置及安全稳定控制装置，其中，实时仿真装置和直流保护控制装置可以模拟电网高压直流输电工程，模拟电网系统在大扰动后的动态响应，并可以严格按照控制时序进行模拟量和开关量的动态反馈，实时仿真装置和安全稳定控制装置可以为多个，各安全稳定控制装置分别通过光传输网络与信号转换装置组成通信网络，即信号转换装置相当于在该系统内新增一个通信节点，各安全稳定控制装置均通过2Mbps的光纤通道与该通信节点进行数据交互。信号转换装置的通信地址可固定为100，按照安全稳定控制装置间的通用通信协议，各通信节点之间以600帧/s的速率传输数据，每帧帧长为12个16位的字，其中4个字为电气元件的计算功率，分3帧传送，一共可传送12个电气元件的计算功率；4个字为控制命令，传输命令交互信息；2个字按位传输开关量信号，另外2个字用于通信数据校验。通过分时复用的方法，在5ms内传输不少于12个电力系统元件的计算功率、16路开关量和4个以上的控制命令，保证了数据传输的同步性和实时性。在实验室基于RTDS实时仿真装置的动态仿真输出和控制时序完成对现场安全稳定控制装置的远程闭环测试，实验室的后台监控装置则可以全程记录及监控试验过程中的动作报文和故障录波；设置从故障起始时刻到控制策略执行作为系统的通信延迟时间，以满足系统稳定性要求，这样能够可靠校验稳定控制策略的有效性；此外，系统独立于现场运行设备，功能模块可独立投退。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本实用新型的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。因此，本实用新型专利的保护范围应以所附权利要求为准。
在一个实施例中，所述信号转换装置200设置为多套，每个所述信号转换装置200设有配套的信号复接装置，所述信号复接装置与对应的所述信号转换装置200双向连接。所述实时仿真装置100和现场被测试的所述安全稳定控制装置300之间的接口由所述信号转换装置200以及配套的信号复接装置完成，完成双向的转换和通信功能。
进一步地，所述实时仿真装置100还将开关量发送至所述信号转换装置200；所述实时仿真装置100与所述信号转换装置200的接口采用标准化设计，所述实时仿真装置100向每个所述信号转换装置200输送的模拟量个数、开关量个数、开关量类型以及接入装置的位置相对固定。所述信号转换装置200采集到上述模拟量后，通过模拟量的有效值计算、投停和跳闸判别等转换为数字信号向各厂站被测试所述安全稳定控制装置300发送。同时接收被测试的所述安全稳定控制装置300的动作出口信息，以接点形式反馈回所述实时仿真装置100。
进一步地，所述信号转换装置200和被测试的安全稳定控制装置300之间采用标准化的通信协议，所述信号转换装置200向各被测试的所述安全稳定控制装置300发送的内容完全一致，各被测试的所述安全稳定控制装置300向所述信号转换装置200发送的数据格式完全一致。
在一个实施例中，所述安全稳定控制装置300设置有根据测试需要进行投退的远程测试启动单元；
当所述实时仿真装置100通过所述信号转换装置200输送仿真测试信号时， 所述远程测试启动单元投入远程测试模式，即：所述远程测试启动单元接收所述实时仿真装置100提供的模拟量信息，并以所接收的所述实时仿真装置100提供的模拟量替换实际采集的模拟量；并将设备测试动作出口信息反馈发送给所述实时仿真装置100；
当所述实时仿真装置100停止输送仿真测试信号时，所述远程测试启动单元退出远程测试模式，所述安全稳定控制装置300正常运行。
进一步地，所述远程测试启动单元通过控制字或者软压板进行触控。通过远程测试启动单元可以实现所述安全稳定控制装置300正常运行与远程测试模式之间的互换，软压板具体可为开关阀。
进一步地，每台所述信号转换装置200同时与M个所述安全稳定控制装置300进行仿真测试，其中，M≥2；N台相同的所述信号转换装置200实现N×M个厂站的安全稳定控制装置300联合仿真测试，其中N≥1。提高了仿真测试的效率。
所述信号转换装置200与所述实时仿真装置100、被测试的所述安全稳定控制装置300之间的接口均为标准化设计，因此多个所述信号转换装置200的功能和配置完全一致，具备良好的重用性。对于大系统的联合仿真测试，可以由n台相同的信号转换装置200实现系统内N×M(其中N≥1)个厂站的安全稳定控制装置300联合仿真测试，具备良好的系统扩展性。
最后应当说明的是，以上实施例仅用以说明本实用新型的技术方案而非对实用新型保护范围的限制，尽管参照较佳实施例对实用新型作了详细说明，本领域的普通技术人员应当理解，可以对实用新型的技术方案进行修改或者等同替换，而不脱离实用新型技术方案的实质和范围。

Claims (16)

  1. 一种安全稳定控制装置远程实时仿真系统，其特征在于，包括实时仿真装置、信号转换装置以及安全稳定控制装置，所述实时仿真装置与所述信号转换装置连接，所述信号转换装置与所述安全稳定控制装置连接；
    所述实时仿真装置接收直流闭锁故障指令，根据所述直流闭锁故障指令进行实时仿真，并将仿真得到的模拟量信号发送至所述信号转换装置，所述信号转换装置将所述模拟量信号转换为第一信号发送至所述安全稳定控制装置；所述安全稳定控制装置解析所述第一信号并根据预设策略表发出切机切负荷指令至所述信号转换装置，所述信号转换装置将所述切机切负荷指令转换成第二信号发送至所述实时仿真装置，所述实时仿真装置根据所述第二信号，执行切机切负荷动作。
  2. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括接口板卡，所述实时仿真装置通过所述接口板卡与所述信号转换装置连接。
  3. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括直流控制保护装置，所述实时仿真装置通过所述直流控制保护装置与所述信号转换装置连接。
  4. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述信号转换装置包括接收模块和发送模块。
  5. 根据权利要求4所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述接收模块为加载有GOOSE通信协议的接收模块，所述发送模块为加载有SV通信协议的发送模块。
  6. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括信号复接装置，所述信号转换装置通过所述信号复接装置与所述安全稳定控制装置连接。
  7. 根据权利要求6所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括光传输设备，所述信号复接装置包括第一信号复接装置和第二信号复接装置，所述信号转换装置通过所述第一信号复接装置与所述光传输设备连接，所述光传输设备与所述第二信号复接装置连接，所述第二信号复接装置与 所述安全稳定控制装置连接。
  8. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括监控装置，所述监控装置与所述信号转换装置连接。
  9. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，还包括集线器，所述实时仿真装置通过所述集线器与所述信号转换装置连接。
  10. 根据权利要求6所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述信号转换装置设置为多套，每个所述信号转换装置设有配套的信号复接装置，所述信号复接装置与对应的所述信号转换装置双向连接。
  11. 根据权利要求10所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述实时仿真装置还将开关量发送至所述信号转换装置；所述实时仿真装置与所述信号转换装置的接口采用标准化设计，所述实时仿真装置向每个所述信号转换装置输送的模拟量个数、开关量个数、开关量类型以及接入装置的位置相对固定。
  12. 根据权利要求11所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述信号转换装置和被测试的安全稳定控制装置之间采用标准化的通信协议，所述信号转换装置向各被测试的所述安全稳定控制装置发送的内容完全一致，各被测试的所述安全稳定控制装置向所述信号转换装置发送的数据格式完全一致。
  13. 根据权利要求1所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述安全稳定控制装置设置有根据测试需要进行投退的远程测试启动单元；
    当所述实时仿真装置通过所述信号转换装置输送仿真测试信号时，所述远程测试启动单元投入远程测试模式，即：所述远程测试启动单元接收所述实时仿真装置提供的模拟量信息，并以所接收的所述实时仿真装置提供的模拟量替换实际采集的模拟量；并将设备测试动作出口信息反馈发送给所述实时仿真装置；
    当所述实时仿真装置停止输送仿真测试信号时，所述远程测试启动单元退 出远程测试模式，所述安全稳定控制装置正常运行。
  14. 根据权利要求13所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述远程测试启动单元通过控制字或者软压板进行触控。
  15. 根据权利要求13所述的安全稳定控制装置远程实时仿真系统，其特征在于，每台所述信号转换装置同时与M个所述安全稳定控制装置进行仿真测试，其中，M≥2；N台相同的所述信号转换装置实现N×M个厂站的安全稳定控制装置联合仿真测试，其中N≥1。
  16. 根据权利要求7所述的安全稳定控制装置远程实时仿真系统，其特征在于，所述光传输设备包括第一光传输设备和第二光传输设备，所述第一信号复接装置通过2Mbps同轴电缆以E1协议与第一光传输设备双向连接，所述第一光传输设备通过2.5G光接口接入光传输ASON网，所述第二光传输设备通过2.5G光接口接入所述光传输ASON网，所述第二光传输设备通过2Mbps同轴电缆以E1协议与所述第二信号复接装置双向连接。
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