Over Current Site Test of Main Transformer at Nuclear Power Plant

ZHOU Kai; WU Yunfei; JIN Lei

doi:10.14044/j.1674-1757.pcrpc.2016.02.020

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Over Current Site Test of Main Transformer at Nuclear Power Plant

更新时间：2024-09-14

- Over Current Site Test of Main Transformer at Nuclear Power Plant
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 2, Pages: 105-109(2016)
- 作者机构：
  
  1. 国网湖北省电力公司电力科学研究院
  2. 国家电网公司高压电气设备现场试验技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.02.020
  CLC： TM406;TM623
- Published：2016，
- 稿件说明：
移动端阅览
[1]周凯,吴云飞,金雷.核电厂大型主变压器现场过电流试验[J].电力电容器与无功补偿,2016,37(02):105-109.

ZHOU KAI, WU YUNFEI, JIN LEI. Over Current Site Test of Main Transformer at Nuclear Power Plant. [J]. Power capacitor & reactive power compensation, 2016, 37(2): 105-109.
[1]周凯,吴云飞,金雷.核电厂大型主变压器现场过电流试验[J].电力电容器与无功补偿,2016,37(02):105-109. DOI： 10.14044/j.1674-1757.pcrpc.2016.02.020.

ZHOU KAI, WU YUNFEI, JIN LEI. Over Current Site Test of Main Transformer at Nuclear Power Plant. [J]. Power capacitor & reactive power compensation, 2016, 37(2): 105-109. DOI： 10.14044/j.1674-1757.pcrpc.2016.02.020.

摘要

采用电容完全补偿法

对某核电厂安装的500 k V/400 MVA大容量主变压器进行现场工频1.1倍额定电流的过电流试验

大幅降低了所需电源容量

使现场进行此项试验具备了可行性。根据此电容补偿计算结果设计了该变压器现场过电流试验方案

并成功进行了现场试验

试验结果证实补偿效果良好

补偿计算方法准确有效。

Abstract

The overcurrent site test on a 500 k V/400 MVA high power main transformer installed at on nuclear power plant is performed at 1.1 times rated current and power frequency by way of full capaci-tance compensation

thus reducing the power capacity needed dramatically and keeping the test at site feasible. In this paper

the scheme of site over current test for the transformer is designed based on the capacitance compensation calculation result and the site is performed successfully. It is proved by the test result that the compensation result is good and compensation and calculation method is accurate and effective.

关键词

变压器过电流试验电容补偿现场试验

Keywords

power transformerover current testcapacitance compensationsite test

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Related Author

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Related Institution

Yueyang Electric Power Administration Bureau

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