CN102565741A - Dynamic simulative detection method of performance of network recorder-analyzer on basis of symmetrical light principle - Google Patents
Dynamic simulative detection method of performance of network recorder-analyzer on basis of symmetrical light principle Download PDFInfo
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- CN102565741A CN102565741A CN2011104526188A CN201110452618A CN102565741A CN 102565741 A CN102565741 A CN 102565741A CN 2011104526188 A CN2011104526188 A CN 2011104526188A CN 201110452618 A CN201110452618 A CN 201110452618A CN 102565741 A CN102565741 A CN 102565741A
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Abstract
The invention discloses a dynamic simulative detection method of performance of a network recorder-analyzer on the basis of a symmetrical light principle, relating to a detection method of a network recorder-analyzer. Data of the network recorder-analyzer are possible to generate the problem that recorded sampling points are lost, dispersed and the like, and cannot completely and really reflect a data state recorded by the network recorder-analyzer and sent by network equipment. The dynamic simulative detection method is characterized by comprising the following steps of: (1) establishing a dynamic simulation system of an intelligent transformer substation in allusion to the concrete environment of the intelligent transformer substation applied by the network recorder-analyzer; (2) operating the dynamic simulation system of the intelligent transformer substation; and (3) comparing dynamic simulation system generation data of the intelligent transformer substation, recorded by standard recording and analyzing equipment with dynamic simulation system generation data of the intelligent transformer substation, recorded by a network recorder-analyzer to be detected, and judging whether the network recorder-analyzer to the detected is qualified or not. According to the technical scheme, disqualified network recorders-analyzers are screened out, and improvement of the monitoring capability to the intelligent transformer substation is facilitated.
Description
Technical field
The present invention relates to the detection method of Network records analyser.
Background technology
At present, intelligent substation will bring far-reaching influence and huge change with management for the automatic operating of transformer station, be the important component part that intelligent grid is built, and all have great significance in economy and technical elements.Along with electronic mutual inductor and the widespread use of Networks of Fiber Communications in intelligent substation; Digitizing and network information communication have become the main mode of electrical secondary system operation; Traditional secondary system operational monitoring equipment can't satisfy new technical requirement, and the Network records analyser becomes the indispensable equipment of system's operational information recording and crash analysis.Yet the Network records analyser still is in the application initial stage as a kind of new equipment, and its technical characteristic and product stability still have to be waited to investigate, and it must guarantee truly to reflect the various information states of record data.Therefore, research network recorder analyser performance test methods is very necessary for its reliable application in intelligent substation, is the important means of the exploitation and the detection of corresponding product.
The Network records analyser is for monitoring intelligent transformer station digital communications network duty; Analyze the unusual and data recording source when breaking down of substation equipment; Its recorded data must truly, accurately reflect the data mode that each device sends on the network; But because product design, employing technology and qualitative problem; Possibly there is the sampled point of record problem such as lose, disperse in the data of Network records analyser, and can't fully truly reflect the data mode that the network equipment that it write down sends.Therefore, whether the Network records analyser must carry out emulation testing targetedly before practical applications, detect its performance index and meet the requirements.
Summary of the invention
The technical matters that the present invention will solve is the prior art scheme to be carried out perfect, and the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle is provided, to realize the testing goal of Network records analyzer performance.For this reason, the present invention takes following technical scheme.
Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle is characterized in that it may further comprise the steps:
1) the concrete environment of using to the Network records analyser of intelligent substation is built intelligent substation dynamic simulative emulation system; Intelligent substation dynamic simulative emulation system is connected with standard network record analysis equipment with Network records analyser to be measured through optical splitter, and optical splitter is adjusted to and can be divided into state that the identical symmetrical beam of intensity exports with the test data collection system of composition based on the symmetrical beam principle with importing light source;
2) intelligent substation dynamic simulative emulation system is operated simulation system generation earth fault, the electric parameters and the switching value information of standard network record analysis equipment and Network records analyser to be measured record intelligent substation dynamic simulative emulation system;
3) the intelligent substation dynamic simulative emulation system of contrast a period of time internal standard Network records analytical equipment and Network records analyser to be measured record generates data; Add up the maximum dispersion of Network records analyser admission control situation to be measured and data; If Network records analyser admission control quantity to be measured is greater than zero; Or two maximum dispersion between frame data greater than 1us, think that then Network records analyser to be measured is defective.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature.
Intelligent substation dynamic simulative emulation system links to each other with optical splitter through special-purpose merge cells of test and test special purpose intelligent terminal; Test special-purpose merge cells and be used for that information translation with the electronic current mutual inductor of intelligent substation dynamic simulative emulation system, voltage transformer (VT) collection becomes digital signal and through the output of light mouth, the test special purpose intelligent terminal is used for gathering the positional information of dynamic simulator system isolating switch and exports through the light mouth.
Described optical splitter comprises the first order first optical splitter, the first order second optical splitter, the second level first optical splitter, the second level second optical splitter, and above-mentioned four optical splitters all are adjusted to the state that can the input light source be divided into the identical symmetrical beam output of intensity; Wherein the input end of the first order first optical splitter links to each other with the special-purpose merge cells output terminal of test, and the output terminal of the first order first optical splitter links to each other with the second level first optical splitter input end and switch respectively; The input end of the first order second optical splitter links to each other with test special purpose intelligent terminal output terminal, and the output terminal of the first order second optical splitter links to each other with the second level second optical splitter input end and switch respectively; The output terminal of the second level first optical splitter links to each other with standard network record analysis equipment input end and Network records analyser input end to be measured respectively; The output terminal of the second level second optical splitter links to each other with standard network record analysis equipment input end and Network records analyser input end to be measured respectively; Standard network record analysis equipment and Network records analyser to be measured link to each other with switch.
Build intelligent substation dynamic simulative emulation system and comprise the equivalent generator simulation of employing power plant; Adopt valve systems such as equivalent power supply simulation; Adopt three-winding transformer, double-bus configuration simulated intelligence transforming plant primary equipment, simulated intelligence transformer station is connected through single time analog line with the analog electrical inter-plant, waits between valve system with simulation to be connected through two analog lines that return; The voltage of simulated intelligence transformer station, current signal send digital oscillograph to through electronic type voltage transformer, electronic current mutual inductor collection; On the transmission line of electricity, on the double-bus, and the high, medium and low voltage side of transformer the trouble spot is set; Each trouble spot all is used to simulate various types of metallicity or through the fault of transition resistive short; The transformer high-voltage winding is provided with a trouble spot, the turn-to-turn short circuit that is used to simulate different range; Adopt master and slave satellite synchronous device to receive GPS synchronizing signal, simulated intelligence transformer station clock system.
Intelligent substation dynamic simulative emulation system operated comprise simulation system generation earth fault, voltage, current electrical amount and protection, the circuit breaker position switching value information of standard network record analysis equipment and Network records analyser to be measured record intelligent substation dynamic simulative emulation system.
Treating survey grid network recorder analyser performance carries out the evaluation criterion that dynamic similation detects and is: in the dynamic simulator system normal course of operation; Interior and the standard network record analysis apparatus in comparison of Network records analyser timing statistics to be measured; Recorded data LOF quantity should be that maximum dispersion should be less than 1us between 0, two frame data; In dynamic simulator system, operate; Simulation system generation earth fault; With standard network record analysis apparatus in comparison, recorded data LOF quantity should be that maximum dispersion should be less than 1us between 0, two frame data in the Network records analyser timing statistics to be measured.
Beneficial effect: solved detection and the research demand of Network records analyser,, screened out defective Network records analyser, helped to improve monitoring capability to intelligent substation through detecting to respective performances.
Description of drawings
Fig. 1 is an intelligent substation dynamic simulative emulation system.
Fig. 2 is a principle of the invention block diagram.
Embodiment
Below in conjunction with Figure of description technical scheme of the present invention is done further detailed description.
Theory diagram of the present invention is as shown in Figure 2, and to the concrete environment of 220kV electric pressure that the Network records analyser is used, step of the present invention is following.
1, build the dynamic simulative emulation system, as shown in Figure 1:
(1) adopts equivalent generator to simulate the power plant of 220kV side total installation of generating capacity 550MVA, adopt the power plant of equivalent generator simulation 110kV side total installation of generating capacity 120MVA;
(2) adopting equivalent power supply simulation system capacity of short circuit is the valve system that waits of 10000 MVA;
(3) rated capacity is the three-winding transformer of 238MVA in the three-winding transformer simulated intelligence transformer station of employing mode of connection Y0/Y/ △-12-11; The double-bus configuration; Be connected through single time analog line of 100km between simulated intelligence transformer station and simulation 220kV side power plant; Power plant is connected through single time analog line of 10km with simulation 110kV side, waits between valve system with simulation to be connected through the two analog lines that return of 200km;
(4) gather current signal at transformer high-voltage side, medium voltage side, low-pressure side access electronic current mutual inductor ECT1, ECT2, ECT3 respectively, send ZH-5N numeral oscillograph to;
(5) the high, medium and low voltage side at transformer is provided with 6 trouble spots altogether; Each trouble spot all is used to simulate various types of metallicity or through the fault of transition resistive short; The transformer high-voltage winding is provided with a trouble spot, the turn-to-turn short circuit that is used to simulate different range;
(6) adopt YJD2000 satellite synchronous device to receive GPS synchronizing signal, simulated intelligence transformer station clock system.
2, select special-purpose optical splitter for use; It is adjusted to the state that can the input light source be divided into the identical symmetrical beam output of two beam intensities; Network records analyser to be measured and ZH-5N record are involved the test data collection system of record analysis device composition based on the symmetrical beam principle, and step is following:
(1) in intelligent substation dynamic simulative emulation system, inserts special-purpose merge cells of test and intelligent terminal; Merge cells is used for information translation with dynamic simulator system electronic current mutual inductor, voltage transformer (VT) collection and becomes digital signal and export through the light mouth; Intelligent terminal is used for gathering the positional information of dynamic simulator system isolating switch and through the output of light mouth, tests special-purpose merge cells data output and insert the first order first optical splitter, the test special purpose intelligent terminal data output access first order second optical splitter;
(2) outlet 1 of the first order first optical splitter inserts the second level first optical splitter as the Point-to-Point Data output source, and the outlet 2 of the first order first optical splitter inserts the RuggedCom2188 Ethernet switch as networking data output source; The outlet 4 of the first order second optical splitter inserts the second level second optical splitter as the Point-to-Point Data output source, and the outlet 3 of the first order second optical splitter inserts the RuggedCom2188 Ethernet switch as networking data output source; The outlet 5,6 of the second level first optical splitter inserts Network records analyser to be measured respectively as the Point-to-Point Data output source and the ZH-5N record involves the record analysis device; The outlet 7,8 of the second level second optical splitter inserts Network records analyser to be measured respectively as the Point-to-Point Data output source and the ZH-5N record involves the record analysis device;
(3) outlet 2 of the first order first optical splitter inserts the RuggedCom2188 Ethernet switch with the outlet 3 of the first order second optical splitter as networking data output source, inserts Network records analyser to be measured and ZH-5N respectively through the different outlets 9 and 10 of switch and records and involve the record analysis device.
3, in dynamic simulator system, carry out various system operations; Simulation system generation earth fault involves the switching value information such as electric parameters such as voltage, electric current and protection, circuit breaker position of record analysis device and Network records analyser to be measured record intelligent substation dynamic simulative emulation system through ZH-5N record.
4, the intelligent substation dynamic simulative emulation system that ZH-5N record involves record analysis device and Network records analyser to be measured record in the contrast 2 hours generates data, adds up Network records analyser admission control situation to be measured and data maximum dispersion.
5, treating survey grid network analysis recorder performance by evaluation method estimates.
Claims (6)
1. based on the Network records analyzer performance dynamic similation detection method of symmetrical beam principle, it is characterized in that it may further comprise the steps:
1) the concrete environment of using to the Network records analyser of intelligent substation is built intelligent substation dynamic simulative emulation system; Intelligent substation dynamic simulative emulation system is connected with standard network record analysis equipment with Network records analyser to be measured through optical splitter, and optical splitter is adjusted to and can be divided into state that the identical symmetrical beam of intensity exports with the test data collection system of composition based on the symmetrical beam principle with importing light source;
2) intelligent substation dynamic simulative emulation system is operated simulation system generation earth fault, the electric parameters and the switching value information of standard network record analysis equipment and Network records analyser to be measured record intelligent substation dynamic simulative emulation system;
3) the intelligent substation dynamic simulative emulation system of contrast a period of time internal standard Network records analytical equipment and Network records analyser to be measured record generates data; Add up the maximum dispersion of Network records analyser admission control situation to be measured and data; If Network records analyser admission control quantity to be measured is greater than zero; Or two maximum dispersion between frame data greater than 1us, think that then Network records analyser to be measured is defective.
2. the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle according to claim 1; It is characterized in that: intelligent substation dynamic simulative emulation system links to each other with optical splitter through special-purpose merge cells of test and test special purpose intelligent terminal; Test special-purpose merge cells and be used for that information translation with the electronic current mutual inductor of intelligent substation dynamic simulative emulation system, voltage transformer (VT) collection becomes digital signal and through the output of light mouth, the test special purpose intelligent terminal is used for gathering the positional information of dynamic simulator system isolating switch and exports through the light mouth.
3. the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle according to claim 2; It is characterized in that: described optical splitter comprises the first order first optical splitter, the first order second optical splitter, the second level first optical splitter, the second level second optical splitter, and above-mentioned four optical splitters all are adjusted to the state that can the input light source be divided into the identical symmetrical beam output of intensity; Wherein the input end of the first order first optical splitter links to each other with the special-purpose merge cells output terminal of test, and the output terminal of the first order first optical splitter links to each other with the second level first optical splitter input end and switch respectively; The input end of the first order second optical splitter links to each other with test special purpose intelligent terminal output terminal, and the output terminal of the first order second optical splitter links to each other with the second level second optical splitter input end and switch respectively; The output terminal of the second level first optical splitter links to each other with standard network record analysis equipment input end and Network records analyser input end to be measured respectively; The output terminal of the second level second optical splitter links to each other with standard network record analysis equipment input end and Network records analyser input end to be measured respectively; Standard network record analysis equipment and Network records analyser to be measured link to each other with switch.
4. the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle according to claim 3 is characterized in that: build intelligent substation dynamic simulative emulation system and comprise the equivalent generator simulation of employing power plant; Adopt valve systems such as equivalent power supply simulation; Adopt three-winding transformer, double-bus configuration simulated intelligence transforming plant primary equipment, simulated intelligence transformer station is connected through single time analog line with the analog electrical inter-plant, waits between valve system with simulation to be connected through two analog lines that return; The voltage of simulated intelligence transformer station, current signal send digital oscillograph to through electronic type voltage transformer, electronic current mutual inductor collection; On the transmission line of electricity, on the double-bus, and the high, medium and low voltage side of transformer the trouble spot is set; Each trouble spot all is used to simulate various types of metallicity or through the fault of transition resistive short; The transformer high-voltage winding is provided with a trouble spot, the turn-to-turn short circuit that is used to simulate different range; Adopt master and slave satellite synchronous device to receive GPS synchronizing signal, simulated intelligence transformer station clock system.
5. the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle according to claim 4; It is characterized in that: intelligent substation dynamic simulative emulation system is operated comprise simulation system generation earth fault, voltage, current electrical amount and protection, the circuit breaker position switching value information of standard network record analysis equipment and Network records analyser to be measured record intelligent substation dynamic simulative emulation system.
6. the Network records analyzer performance dynamic similation detection method based on the symmetrical beam principle according to claim 5; It is characterized in that: treat survey grid network recorder analyser performance and carry out the evaluation criterion that dynamic similation detects and be: in the dynamic simulator system normal course of operation; Interior and the standard network record analysis apparatus in comparison of Network records analyser timing statistics to be measured; Recorded data LOF quantity should be that maximum dispersion should be less than 1us between 0, two frame data; In dynamic simulator system, operate; Simulation system generation earth fault; With standard network record analysis apparatus in comparison, recorded data LOF quantity should be that maximum dispersion should be less than 1us between 0, two frame data in the Network records analyser timing statistics to be measured.
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| CN201313518Y (en) * | 2008-12-17 | 2009-09-23 | 北京太格时代自动化系统设备有限公司 | Integrated automation system for electrified railway digital traction substation |
| US7652482B2 (en) * | 2002-04-17 | 2010-01-26 | Advantest Corporation | Network analyzer, network analyzing method, automatic corrector, correcting method, program, and recording medium |
| CN101858959A (en) * | 2010-05-14 | 2010-10-13 | 中国电力科学研究院 | Simulation test method for influence of sampling data delay deviation on relay protective device |
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| US7652482B2 (en) * | 2002-04-17 | 2010-01-26 | Advantest Corporation | Network analyzer, network analyzing method, automatic corrector, correcting method, program, and recording medium |
| CN201313518Y (en) * | 2008-12-17 | 2009-09-23 | 北京太格时代自动化系统设备有限公司 | Integrated automation system for electrified railway digital traction substation |
| CN101858959A (en) * | 2010-05-14 | 2010-10-13 | 中国电力科学研究院 | Simulation test method for influence of sampling data delay deviation on relay protective device |
Non-Patent Citations (1)
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| 马凯等: "数字化变电站保护装置实验室测试技术探讨", 《南方电网技术》, vol. 5, 20 June 2011 (2011-06-20) * |
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