CN103094986A - Distributed detection method of intelligent substation relay protection devices based on digital dynamic real time simulator (DDRTS) - Google Patents

Distributed detection method of intelligent substation relay protection devices based on digital dynamic real time simulator (DDRTS) Download PDF

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Publication number
CN103094986A
CN103094986A CN2013100540912A CN201310054091A CN103094986A CN 103094986 A CN103094986 A CN 103094986A CN 2013100540912 A CN2013100540912 A CN 2013100540912A CN 201310054091 A CN201310054091 A CN 201310054091A CN 103094986 A CN103094986 A CN 103094986A
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speed communication
mentioned
signal
ddrts
intelligent substation
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CN103094986B (en
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欧阳帆
陈宏�
赵永生
张亮峰
荀吉辉
郭茗菘
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hunan Electric Power Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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Abstract

The invention discloses a detection method of intelligent substation relay protection devices based on a digital dynamic real time simulator (DDRTS). The method comprises the steps of (1) simulating calculation, (2) transmitting simulation data, (3) converting into secondary current signals and secondary voltage signals for output, (4) converting into primary current signals and primary voltage signals in a sampled value (SV) message mode for transmission, (5) passing back switching value information, (6) transmitting to a high-speed communication signal conversion device of each terminal in real time, and (7) transmitting to each relay protection device. The method has the advantages that operation states of various electric systems can be precisely simulated, and comprehensive detection for the relay protection devices can be carried out; and a near-end experiment device is distributed beside an on-site device and is connected with a far-end experiment device, further on-site debugging can be carried out on an intelligent substation, assembly modularization of all experiment devices can be achieved, and carrying and assembly are convenient.

Description

Intelligent substation protective relaying device Distributed Detection method based on DDRTS
Technical field
The invention belongs to the power system transient simulation technical field; be specifically related to a kind ofly based on the abbreviation of the English full name of DDRTS(for " Digital Dynamic Real-Time Simulator ", Chinese translation is " Electrical Power System Dynamic real-time emulation system ") intelligent substation protective relaying device Distributed Detection method.
Background technology
Different from traditional transformer station is, intelligent substation is that the information transmission mode with analog quantity and switching value changes the fiber optic network transmission means into, utilize optical fiber that various sampled values and status number signal are flowed to relevant protection measuring and controlling equipment, there is no actual current-series and voltage circuit, secondary cable greatly reduces, as seen, because the digitlization of information makes debugging acid and method that variation occur; Secondly; in intelligent substation, the various function of protective device centralized layout is different; 220kV electric pressure and above intelligent substation are installed on the protection chamber with the wall protected location, and process layer sampling unit and control unit are positioned at by on the spot primary equipment, connect by optical fiber between the two.Such distributed arrangement gives to detect and debug has all increased difficulty.Electrical Power System Dynamic real-time emulation system (DDRTS) refers to each class process of real-time Simulation electric power system and can access the power system simulation software that the actual physics device is tested.For verifying the performance of new control appliance, protection equipment, before installing and put into operation, equipment needs physical device is carried out detecting in real time to determine whether it meets design requirement.Yet at present intelligent substation also rests on the detection of protective device and just relies on traditional relaying protection detector to detect, and also fails DDRTS is incorporated in detection to the intelligent substation protective device always and goes.
Summary of the invention
The technical problem to be solved in the present invention is for the present situation of intelligent substation device distribution formula installation and the defective of prior art existence, to provide a kind of intelligent substation protective relaying device Distributed Detection method based on DDRTS.Use the method can simulate the action situation of protective relaying device under operation states of electric power system, realize their comprehensive closed loop is detected.
Technical scheme of the present invention is that the above-mentioned intelligent substation protective relaying device detection method based on DDRTS that provides comprises the steps:
(1), main frame high speed communication chromacoder of configuration, at least two station terminal high speed communication chromacoder and DDRTS, build in this DDRTS and examined the electric primary system model of Intelligent target transformer station, it carries out simulation calculation and gets emulated data then to use conventional method to be examined the electric primary system model of Intelligent target transformer station to this;
(2), send step (1) gained emulated data to above-mentioned main frame high speed communication chromacoder, then use this main frame high speed communication chromacoder, by wired optical fiber transfer mode or wireless conduction pattern, described emulated data is real-time transmitted to each terminal high-speed communication signal conversion device at each process layer scene that is distributed in the described intelligent substation of step (1);
(3), use conventional method, to be processed into simulation small-signal by above-mentioned each terminal high-speed communication signal conversion device from the emulated data that receive step (2), then this simulation small-signal is converted into secondary current signal and secondary voltage signal by the power amplifier that is connected with described terminal high-speed communication signal conversion device, outputs to each merge cells device that is distributed in each process layer of described intelligent substation scene;
(4), use conventional method, the secondary current signal that to receive from step (3) and secondary voltage signal are converted to the English full name of SV(by above-mentioned each merge cells device and are the abbreviation of " Sampled Value ", the Chinese translation is " sampled value ") primary current signal and the primary voltage signal of message form, then give each protective relaying device of the wall that is distributed in described intelligent substation by optical fiber transmission;
(5), use conventional method; the primary current signal of the SV message that will receive from step (4) and primary voltage signal carry out logical operation by above-mentioned each protective relaying device to be processed; send the English full name of GOOSE(and be the abbreviation of " Generic Object Oriented Substation Event "; the Chinese translation is " general OO transformer substation case ") message form action message; give each intelligent end device by optical fiber transmission, then driven the exit relay contact at each process layer of described intelligent substation scene by this intelligent end device.Then by this intelligent end device, the switching value information of described exit relay contact is returned to above-mentioned each terminal high-speed communication signal conversion device;
(6), use above-mentioned each terminal high-speed communication signal conversion device to cross wired optical fiber transfer mode or wireless conduction pattern is real-time transmitted to above-mentioned main frame high speed communication chromacoder from the switching value information exchange that receive step (5).Described main frame high speed communication chromacoder sends above-mentioned DDRTS to after the switching value information of receiving is synchronously gathered; Then, use conventional method, with receive gather after the switching value information exchange cross described DDRTS and carry out simulation calculating and process; Again will with process through simulation calculating gather after corresponding response Artificial switch state and the response simulation condition of small signal of switching value information, be real-time transmitted to described each terminal high-speed communication signal conversion device;
(7), use above-mentioned each terminal high-speed communication signal conversion device, to be converted into switch state signal from the response Artificial switch state that receive step (6) and export to above-mentioned each intelligent end device, and secondary current signal and the secondary voltage signal that above-mentioned power amplifier sends sent to above-mentioned each merge cells device; Described each intelligent end device is converted into the responding to switch status signal of receiving the switch state signal of GOOSE message form, returns to above-mentioned each protective relaying device that is distributed in the intelligent substation wall by optical fiber; Primary current signal and primary voltage signal that described each merge cells device is converted into SV message form with the secondary current signal received and secondary voltage signal; give described each protective relaying device by optical fiber transmission, the closed loop that consists of the intelligent substation protective relaying device detects.
The invention has the beneficial effects as follows:
1, use DDRTS, can simulate the action situation of protective relaying device under operation states of electric power system, in order to realize, the closed loop of this device is detected.And this closed loop detection mode detection debud mode more in the past can be simulated required various operation states of electric power system more accurately, and carrying out more comprehensively to the protective relaying device at scene, closed loop detects;
2, this method is considered based on the distributed arrangement of intelligent substation, the experimental facilities of near-end is arranged in the field apparatus side on diverse location and connects on the spot, then be connected with the experimental facilities of far-end by wired or wireless mode, and then can carry out field adjustable to distributed intelligent substation, all experimental facilities are realized the assembly mould blocking, and assembling is easy to carry.
Embodiment
Embodiment 1:
(1), main frame high speed communication chromacoder of configuration, at least two station terminal high speed communication chromacoders are in DDRTS, build in this DDRTS and examined the electric primary system model of Intelligent target transformer station, it carries out simulation calculation and gets emulated data then to use conventional method to be examined the electric primary system model of Intelligent target transformer station to this.The ITIO-C10 type main frame high speed communication signal conversion module that described main frame high speed communication chromacoder adopts China Shenzhen Yin Tu company to produce; The ITIO-ZMG type terminal high-speed chromacoder that described terminal high-speed communication signal conversion device adopts China Shenzhen Yin Tu company to produce; The V7.0 version DDRTS that described DDRTS adopts China Shenzhen Yin Tu company to produce;
(2), send step (1) gained emulated data to above-mentioned main frame high speed communication chromacoder, then use this main frame high speed communication chromacoder, by wired optical fiber transfer mode, described emulated data is real-time transmitted to each terminal high-speed communication signal conversion device at each process layer scene that is distributed in the described intelligent substation of step (1);
(3), use conventional method, to be processed into simulation small-signal by above-mentioned each terminal high-speed communication signal conversion device from the emulated data that receive step (2), then this simulation small-signal is converted into secondary current signal and secondary voltage signal by the power amplifier that is connected with described terminal high-speed communication signal conversion device, outputs to each merge cells device that is distributed in each process layer of described intelligent substation scene;
(4), use conventional method, to be converted to primary current signal and the primary voltage signal of SV message form by above-mentioned each merge cells device from secondary current signal and the secondary voltage signal that receive step (3), then give each protective relaying device of the wall that is distributed in described intelligent substation by optical fiber transmission;
(5), use conventional method; the primary current signal of the SV message that will receive from step (4) and primary voltage signal carry out logical operation by above-mentioned each protective relaying device to be processed; send the actuating signal of GOOSE message form; give above-mentioned each intelligent end device by optical fiber transmission, then driven the exit relay contact at each process layer of described intelligent substation scene by this intelligent end device.Then by this intelligent end device, the switching value information of described exit relay contact is returned to above-mentioned each terminal high-speed communication signal conversion device;
(6), use above-mentioned each terminal high-speed communication signal conversion device to cross wired optical fiber transfer mode from the switching value information exchange that receive step (5) and be real-time transmitted to above-mentioned main frame high speed communication chromacoder.Described main frame high speed communication chromacoder sends above-mentioned DDRTS to after the switching value information of receiving is synchronously gathered; Then, use conventional method, with receive gather after the switching value information exchange cross described DDRTS and carry out simulation calculating and process; Again will with process through simulation calculating gather after corresponding response Artificial switch state and the response simulation condition of small signal of switching value information, be real-time transmitted to described each terminal high-speed communication signal conversion device;
(7), use above-mentioned each terminal high-speed communication signal conversion device, to be converted into switch state signal from the response Artificial switch state that receive step (6) and export to above-mentioned each intelligent end device, and secondary current signal and the secondary voltage signal that above-mentioned power amplifier sends sent to above-mentioned each merge cells device; Described each intelligent end device is converted into the responding to switch status signal of receiving the switch state signal of GOOSE message form, returns to above-mentioned each protective relaying device that is distributed in the intelligent substation wall by optical fiber; Described each merge cells device is given described each protective relaying device with primary current signal and primary voltage signal that the secondary current signal received and secondary voltage signal are converted into SV message form by optical fiber transmission.
Embodiment 2:
Step (1) is with embodiment 1;
(2), send step (1) gained emulated data to above-mentioned main frame high speed communication chromacoder, then use this main frame high speed communication chromacoder, by wireless conduction pattern, described emulated data is real-time transmitted to each terminal high-speed communication signal conversion device at each process layer scene that is distributed in the described intelligent substation of step (1);
Step (3)～(5) are with embodiment 1;
(6), use above-mentioned each terminal high-speed communication signal conversion device to cross wireless conduction pattern from the switching value information exchange that receive step (5) and be real-time transmitted to above-mentioned main frame high speed communication chromacoder.Described main frame high speed communication chromacoder sends above-mentioned DDRTS to after the switching value information of receiving is synchronously gathered; Then, use conventional method, with receive gather after the switching value information exchange cross described DDRTS and carry out simulation calculating and process; Again will with process through simulation calculating gather after corresponding response Artificial switch state and the response simulation condition of small signal of switching value information, be real-time transmitted to described each terminal high-speed communication signal conversion device;
Step (7) is with embodiment 1.

Claims (1)

1. intelligent substation protective relaying device Distributed Detection method based on DDRTS, the method comprises the steps:
(1), main frame high speed communication chromacoder of configuration, at least two station terminal high speed communication chromacoder and DDRTS, build in this DDRTS and examined the electric primary system model of Intelligent target transformer station, it carries out simulation calculation and gets emulated data then to use conventional method to be examined the electric primary system model of Intelligent target transformer station to this;
(2), send step (1) gained emulated data to above-mentioned main frame high speed communication chromacoder, then use this main frame high speed communication chromacoder, by wired optical fiber transfer mode or wireless conduction pattern, described emulated data is real-time transmitted to each terminal high-speed communication signal conversion device at each process layer scene that is distributed in the described intelligent substation of step (1);
(3), use conventional method, to be processed into simulation small-signal by above-mentioned each terminal high-speed communication signal conversion device from the emulated data that receive step (2), then this simulation small-signal is converted into secondary current signal and secondary voltage signal by the power amplifier that is connected with described terminal high-speed communication signal conversion device, outputs to each merge cells device that is distributed in each process layer of described intelligent substation scene;
(4), use conventional method, to be converted to primary current signal and the primary voltage signal of SV message form by above-mentioned each merge cells device from secondary current signal and the secondary voltage signal that receive step (3), then give each protective relaying device of the wall that is distributed in described intelligent substation by optical fiber transmission;
(5), use conventional method, the primary current signal of the SV message that will receive from step (4) and primary voltage signal carry out logical operation by above-mentioned each protective relaying device to be processed, send the actuating signal of GOOSE message form, give above-mentioned each intelligent end device by optical fiber transmission, driven again the exit relay contact at each process layer of described intelligent substation scene by this intelligent end device, then by this intelligent end device, the switching value information of described exit relay contact is returned to above-mentioned each terminal high-speed communication signal conversion device;
(6), use above-mentioned each terminal high-speed communication signal conversion device to cross wired optical fiber transfer mode or wireless conduction pattern is real-time transmitted to above-mentioned main frame high speed communication chromacoder from the switching value information exchange that receive step (5), described main frame high speed communication chromacoder sends above-mentioned DDRTS to after the switching value information of receiving is synchronously gathered; Then, use conventional method, with receive gather after the switching value information exchange cross described DDRTS and carry out simulation calculating and process; Again will with process through simulation calculating gather after corresponding response Artificial switch state and the response simulation condition of small signal of switching value information, be real-time transmitted to described each terminal high-speed communication signal conversion device;
(7), use above-mentioned each terminal high-speed communication signal conversion device, to be converted into switch state signal from the response Artificial switch state that receive step (6) and export to above-mentioned each intelligent end device, and secondary current signal and the secondary voltage signal that above-mentioned power amplifier sends sent to above-mentioned each merge cells device; Described each intelligent end device is converted into the responding to switch status signal of receiving the switch state signal of GOOSE message form, returns to above-mentioned each protective relaying device that is distributed in the intelligent substation wall by optical fiber; Described each merge cells device is given described each protective relaying device with primary current signal and primary voltage signal that the secondary current signal received and secondary voltage signal are converted into SV message form by optical fiber transmission.
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CN103312035A (en) * 2013-05-21 2013-09-18 国家电网公司 Integrated simulation adjusting-testing system and simulation adjusting-testing method for intelligent substation
CN105044530A (en) * 2015-08-13 2015-11-11 国家电网公司 DM5000E-based smart substation busbar protection test method
CN105203984A (en) * 2014-06-12 2015-12-30 国网山西省电力公司电力科学研究院 Intelligent substation 3/2 wiring bus reactive power calibrator based on conventional instrument transformers
CN105319436A (en) * 2014-06-12 2016-02-10 国网山西省电力公司电力科学研究院 Smart station 3/2 wiring bus reactive power checking method based on traditional transformer
CN110646692A (en) * 2019-09-16 2020-01-03 积成电子股份有限公司 On-site bus protection automatic on-load test method and test module
CN112543130A (en) * 2020-12-11 2021-03-23 柯提斯电气(杭州)有限公司 Intelligent communication detection system and communication method thereof

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103312035A (en) * 2013-05-21 2013-09-18 国家电网公司 Integrated simulation adjusting-testing system and simulation adjusting-testing method for intelligent substation
CN103312035B (en) * 2013-05-21 2015-04-22 国家电网公司 Integrated simulation adjusting-testing system and simulation adjusting-testing method for intelligent substation
CN105203984A (en) * 2014-06-12 2015-12-30 国网山西省电力公司电力科学研究院 Intelligent substation 3/2 wiring bus reactive power calibrator based on conventional instrument transformers
CN105319436A (en) * 2014-06-12 2016-02-10 国网山西省电力公司电力科学研究院 Smart station 3/2 wiring bus reactive power checking method based on traditional transformer
CN105319436B (en) * 2014-06-12 2017-07-18 国网山西省电力公司电力科学研究院 The wiring bus reactive power rate method of calibration of intelligent station 3/2 based on traditional transformer
CN105203984B (en) * 2014-06-12 2017-07-18 国网山西省电力公司电力科学研究院 The wiring bus reactive power rate tester of intelligent station 3/2 based on traditional transformer
CN105044530A (en) * 2015-08-13 2015-11-11 国家电网公司 DM5000E-based smart substation busbar protection test method
CN105044530B (en) * 2015-08-13 2018-10-19 国家电网公司 Intelligent substation bus protection test method based on DM5000E
CN110646692A (en) * 2019-09-16 2020-01-03 积成电子股份有限公司 On-site bus protection automatic on-load test method and test module
CN110646692B (en) * 2019-09-16 2021-10-01 积成电子股份有限公司 On-site bus protection automatic on-load test method and test module
CN112543130A (en) * 2020-12-11 2021-03-23 柯提斯电气(杭州)有限公司 Intelligent communication detection system and communication method thereof
CN112543130B (en) * 2020-12-11 2021-08-06 柯提斯电气(杭州)有限公司 Intelligent communication detection system and communication method thereof

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