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
收藏
页码：49 / 56
页数：8
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