[1]林春耀,張哲銘,李軍浩,等.變壓器振蕩型操作沖擊試驗影響因素的仿真分析[J].高壓電器,2017,53(12):106-111.[doi:10.13296/j.1001-1609.hva.2017.12.017]
 LIN Chunyao,ZHANG Zheming,LI Junhao,et al.Simulation Study on the Factors Influencing Oscillating Switching Impulse Test for Transformers[J].High Voltage Apparatus,2017,53(12):106-111.[doi:10.13296/j.1001-1609.hva.2017.12.017]
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變壓器振蕩型操作沖擊試驗影響因素的仿真分析()
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《高壓電器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第53卷
期數:
2017年12期
頁碼:
106-111
欄目:
研究與分析
出版日期:
2017-12-31

文章信息/Info

Title:
Simulation Study on the Factors Influencing Oscillating Switching Impulse Test for Transformers
作者:
林春耀1張哲銘2李軍浩2周丹1楊賢1梁文進1
1. 廣東電網有限公司電力科學研究院, 廣州 510000; 2. 西安交通大學電氣工程學院, 西安 710049
Author(s):
LIN Chunyao1 ZHANG Zheming2 LI Junhao2 ZHOU Dan1 YANG Xian1 LIANG Wenjin1
1. Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangzhou 510000, China; 2. School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
關鍵詞:
振蕩型沖擊電壓 變壓器 等效電路 等效電容 勵磁電感
Keywords:
oscillating switching impulse(OSI) transformer simulation model equivalent capacitance excita-       tion inductance saturation
DOI:
10.13296/j.1001-1609.hva.2017.12.017
文獻標志碼:
A
摘要:
采用感應式振蕩型操作沖擊電壓對變壓器進行現場沖擊耐壓試驗具有效率高、易于調波、試驗設備體積小等優點。爲了研究影響變壓器振蕩型操作沖擊試驗的因素,建立了變壓器振蕩操作沖擊耐壓試驗的仿真電路,並以一台110 kV變壓器爲例,針對發生器球隙導通電阻、變壓器勵磁電感飽對變壓器高壓側波形的影響進行了仿真分析。研究結果表明沖擊電壓發生器球隙導通電阻會導致波形的波尾時間變短,而變壓器勵磁電感的飽和不會對振蕩型沖擊電壓的波形産生影響,不會導致波形的畸變。文中的研究結果爲現場開展變壓器振蕩型操作沖擊耐壓試驗提供了理論指導。
Abstract:
Oscillating switching impulse(OSI) test for transformers has the advantages in high efficiency, easy wave modulationng wave and smallerdecreasing the size of equipment. In order tTo explore the factors that affect OSI test for transformers, in this studypaper, build a simulation model of OSI test for transformers, is built and takes a 110 kV transformer for example to investigate the effects ofused in study on how the on-resistor of ball gap switch and excitation inductance saturation affect on the test voltage on a 110 kV transformer waveform on high-voltage side. The results show that the on-resistor of ball gap switch will shorten tail time(Tt) of OSI waveform, and excitation inductance saturation won’t will not affect OSI waveform. These results may conclusion in this paper can offer a referencetheory advice tofor OSI test for transformers.

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備注/Memo

備注/Memo:
收稿日期:2017-06-14;修回日期:2017-08-28 基金項目:國家自然科學基金資助項目(51207124)。 ProjectSupportedbyNaturalScienceFoundationofChina(51207124).林春耀(1965—),男,高級工程師,工學碩士,主要從事電力變壓器高壓試驗及故障診斷技術研究。 李軍浩(1980—),男,副教授,從事電氣設備試驗技術方面的教學和研究。
更新日期/Last Update: 2017-12-25