WO2013104197A1 - Procédé permettant de tester la compatibilité électromagnétique d'une bobine d'induction mutuelle électronique - Google Patents

Procédé permettant de tester la compatibilité électromagnétique d'une bobine d'induction mutuelle électronique Download PDF

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Publication number
WO2013104197A1
WO2013104197A1 PCT/CN2012/081536 CN2012081536W WO2013104197A1 WO 2013104197 A1 WO2013104197 A1 WO 2013104197A1 CN 2012081536 W CN2012081536 W CN 2012081536W WO 2013104197 A1 WO2013104197 A1 WO 2013104197A1
Authority
WO
WIPO (PCT)
Prior art keywords
transformer
electronic
test
voltage
mutual inductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/081536
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English (en)
Chinese (zh)
Inventor
卢江平
刘健
宋晓林
郑小川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Electric Power Research Institute of State Grid Shanxi Electric Power Co Ltd
Publication of WO2013104197A1 publication Critical patent/WO2013104197A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/62—Testing of transformers

Definitions

  • the invention belongs to the field of electromagnetic compatibility test and measurement, and particularly relates to a test method for electromagnetic compatibility of an electronic transformer of an isolation switch for capacitive current test.
  • the electromagnetic compatibility of electronic transformer products is carried out in accordance with the national standard "GB/T 17626 Electromagnetic Compatibility".
  • the products are in the actual operation process of the power system under the conditions that the specified electromagnetic compatibility test items are completed and the test results are qualified. Multiple failures in electromagnetic protection performance occurred in the middle.
  • the electromagnetic compatibility of electronic transformers cannot meet the electromagnetic environment requirements of power systems. The main reasons are:
  • the actual source of disturbance on the site is the simultaneous occurrence of multiple parameters of disturbance sources, such as transient voltage, transient magnetic field, and transient current.
  • multiple parameter disturbance sources are applied at the same time more severely than single-parameter sources of disturbance.
  • the individual test parameters specified by the national standard differ greatly from the actual on-site measurement parameters, such as the 15ms pulse group applied by the electrical fast transient pulse group, the interval is 300ms, the transient pulse generated by the actual isolation switch, the pulse during one operation is Continuously, longer pulse durations can be above Is. Intensive long-term transient pulses are more stringent in product evaluation.
  • test items specified by the national standard are component-level tests, that is, mainly testing various components of electronic transformers, lacking system-level electromagnetic compatibility test items, and system-level electromagnetic compatibility test items and actual operating conditions. Close.
  • the present invention proposes a test method for electromagnetic compatibility of an electronic transformer, by which the on-site operational reliability of the electronic transformer is improved, and equipment failure due to insufficient electromagnetic protection performance is reduced.
  • the high voltage output of the high voltage transformer is connected to one end of the isolating switch, and a set of capacitive voltage dividers are connected in parallel; the other end of the isolating switch is connected in parallel with a set of capacitive voltage divider, load capacitor and electronic voltage transformer under test, and standard current sensor Before the electronic current transformer is connected in series with the load capacitor, the output direction of the high voltage power supply is the front end, and the electronic voltage transformer to be tested and the electronic current transformer under test are simultaneously present or only one of them;
  • the high voltage test transformer is energized and raised to the rated working voltage of the electronic transformer under test
  • the electronic transformer does not appear in the device, the communication fault, and the output waveform data is not abnormal with the standard waveform data.
  • the electronic transformer test is qualified.
  • the disturbance source generated by the capacitive switch is used to simulate the actual working conditions of the power system.
  • This kind of disturbance source has the characteristics of simultaneous application of multiple parameters such as transient pulse voltage, pulse current and pulse magnetic field, and long duration.
  • the voltage level factor is included in the test parameters, and the actual test results are good.
  • This method is used to test the system-level anti-interference performance of the electronic transformer, which can significantly improve the anti-jamming performance of the electronic transformer and reduce the failure rate of the electronic transformer during use.
  • Figure 1 is a schematic diagram of the test wiring of the isolated capacitive capacitive current disturbance source.
  • CT1 load current measuring transformer standard current sensor
  • CT2 tested electronic current transformer
  • K isolating switch according to the matching mode of electronic transformer, AIS isolating switch (air insulation) and GIS isolating switch (gas fully enclosed combination).
  • the test voltage amplitude of the high-voltage transformer is the same as the rated main circuit voltage of the tested electronic transformer.
  • the capacity of the load capacitor is selected according to the steady-state current value of 0.5A after the isolation switch is turned on.
  • the tested electronic transformer is once.
  • the partial, secondary connection and electronic merging unit are connected according to the actual working conditions.
  • the electronic transformer is energized and operates in the normal working mode. In the process of splitting or combining capacitors, the isolating process will generate multiple arc breakdown and extinction transient processes in the main circuit.
  • This transient process will generate multiple pulse currents and transient overvoltages (operated by GIS isolation switch, which will generate Very fast transient over-voltage VFTO) and pulsed magnetic field, measuring and recording the voltage and current and the output value and working state of the electronic transformer. According to the measurement of the voltage and current waveform value, the output characteristics and working state of the electronic transformer are compared. Electromagnetic anti-jamming performance of the transformer.
  • the high voltage output of the high voltage transformer is connected to one end of the isolating switch, and a set of capacitive voltage dividers are connected in parallel; the other end of the isolating switch is connected in parallel with a set of capacitive voltage divider, load capacitor and electronic voltage transformer under test, and standard current sensor Before connecting the measured electronic current transformer to the load capacitor (the high-voltage power supply output direction is the front end).
  • the measured electronic voltage transformer and the measured electronic current transformer can exist at the same time or only one of them.
  • the high voltage test transformer is energized and raised to the rated working voltage of the electronic transformer under test.
  • the electronic transformer does not appear in the device, the communication fault, and the output waveform data is not abnormal with the standard waveform data.
  • the electronic transformer test is qualified.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

La présente invention concerne un procédé permettant de tester la compatibilité électromagnétique d'une bobine d'induction mutuelle électronique. Une amplitude de tension de test produite par un transformateur haute tension est identique à une tension nominale de service d'une boucle principale d'une bobine d'induction mutuelle électronique testée, et la capacité d'un condensateur de charge est sélectionnée à une valeur de courant à l'état stationnaire de 0,5 A avec un commutateur de déconnexion en position connexion. Une partie primaire, une connexion secondaire et une unité de fusion électronique de la bobine d'induction mutuelle électronique testée sont systématiquement assemblées et connectées selon des conditions de fonctionnement réel et, pendant le test, la bobine d'induction mutuelle électronique est alimentée et fonctionne de façon normale. Lors d'un processus dans lequel le condensateur est déconnecté ou connecté au moyen du commutateur de déconnexion, un processus transitoire de décharge disruptive et d'extinction d'arc se produit plusieurs fois dans la boucle principale, et un courant pulsé, une surtension transitoire et un champ magnétique pulsé sont produits plusieurs fois lors du processus transitoire. Sur la base de valeurs numériques de formes d'onde de tension et de courant mesurées une fois, une caractéristique de sortie et un état de fonctionnement de la bobine d'induction mutuelle électronique sont soumis à une comparaison, afin de déterminer la performance en termes de résistance aux interférences électromagnétiques de la bobine d'induction mutuelle électronique, ce qui permet d'améliorer la fiabilité du fonctionnement sur site de la bobine d'induction mutuelle électronique et de réduire le taux de défaillance du dispositif.
PCT/CN2012/081536 2012-01-11 2012-09-18 Procédé permettant de tester la compatibilité électromagnétique d'une bobine d'induction mutuelle électronique Ceased WO2013104197A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210007337.6 2012-01-11
CN2012100073376A CN102565587B (zh) 2012-01-11 2012-01-11 一种电子式互感器电磁兼容性的试验方法

Publications (1)

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WO2013104197A1 true WO2013104197A1 (fr) 2013-07-18

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CN (1) CN102565587B (fr)
WO (1) WO2013104197A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN103399288A (zh) * 2013-08-15 2013-11-20 国家电网公司 电子式互感器检测方法及示波表
CN114740246A (zh) * 2022-03-25 2022-07-12 苏州熠品质量技术服务有限公司 一种变压器工作电压自动测量装置

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CN102565587B (zh) * 2012-01-11 2013-12-25 陕西电力科学研究院 一种电子式互感器电磁兼容性的试验方法
CN103116125A (zh) * 2012-12-31 2013-05-22 施耐德电气华电开关(厦门)有限公司 用于真空断路器的nsdd测试的试验回路
CN103487679B (zh) * 2013-09-09 2015-08-05 国家电网公司 一种ais电子互感器测试系统及其方法
CN104034973A (zh) * 2014-05-06 2014-09-10 国家电网公司 一种电子式电流互感器的试验系统及试验方法
CN103969616B (zh) * 2014-05-21 2016-08-24 山东泰开高压开关有限公司 用于电子式互感器的型式试验装置
CN104155626B (zh) * 2014-08-15 2017-03-08 国家电网公司 一种检测电压互感器抵御地电位升高能力的系统
CN105785156A (zh) * 2014-12-26 2016-07-20 国家电网公司 一种变电站智能电子装置多源抗扰度特性的测试方法
CN105137135B (zh) * 2015-08-13 2018-04-17 国家电网公司 一种隔离开关模拟电磁骚扰源
CN106772190A (zh) * 2016-11-23 2017-05-31 国家电网公司 一种vfto条件下电子式电压互感器的测试比对方法及装置
CN106841852A (zh) * 2016-12-29 2017-06-13 国家电网公司 一种基于介质击穿产生电脉冲群的系统及方法
CN107271945B (zh) * 2017-06-26 2020-05-12 国家电网公司 一种系统级电子式互感器电磁兼容试验系统及方法
CN111562449A (zh) * 2019-02-13 2020-08-21 南京南瑞继保电气有限公司 一种用于换流阀的抗电磁干扰试验装置及其试验方法
CN110609247A (zh) * 2019-09-19 2019-12-24 国网天津市电力公司电力科学研究院 一种暂态地电压局部放电检测仪校准系统
CN111077395B (zh) * 2019-12-27 2021-10-22 华北电力大学（保定） 一种变电站电子式互感器采集板卡电磁干扰防护设计方法
CN112816930A (zh) * 2020-12-31 2021-05-18 国家电网有限公司 一种用于确定电子式互感器辐射抗扰度的试验方法及系统

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CN114740246A (zh) * 2022-03-25 2022-07-12 苏州熠品质量技术服务有限公司 一种变压器工作电压自动测量装置
CN114740246B (zh) * 2022-03-25 2023-01-31 苏州熠品质量技术服务有限公司 一种变压器工作电压自动测量装置

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