Magnetic flux control in an urban distribution network based on load optimisation

被引：1

作者：

Lei, He ^{[1
]}

Zheng, Xu ^{[1
]}

Sang, Zixia ^{[1
]}

Fang, Rengcun ^{[1
]}

Yan, Jiong ^{[1
]}

Wang, Yingxiang ^{[1
]}

Du, Zhi ^{[1
]}

Yang, Dongjun ^{[1
]}

Xu, Jingyou ^{[1
]}

Wu, Lei ^{[2
]}

机构：

[1] State Grid HBEPC Ltd, State Grid Lab Hydrothermal Power Resources Optim, Econ & Technol Res Inst, Wuhan, Peoples R China

[2] SG Huangshi Elect Power Supply Co, Huangshi, Hubei, Peoples R China

来源：

PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-ENERGY | 2021年 / 174卷 / 02期

关键词：

electrical engineering & distribution; energy conservation; power; WIND POWER; TRANSFORMER;

D O I：

10.1680/jener.19.00012

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper proposes a control method for eliminating direct current (DC) flux from the isolation transformer of a customer service device to avoid magnetic saturation. The method is characterised by injecting zero compensation voltage during a designed time. The period during which no compensation voltage is injected is minimised by adjusting the normal compensation time in the initial stage. For a customer service device, such as a dynamic voltage restorer, the reverse turn-off voltage will introduce extra initial flux. The calculation process based on a trigonometric function also takes into account the effects of the initial flux. The experimental results verify the proposed method to prevent DC flux to the isolation transformer.

引用

页码：49 / 56

页数：8

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