Overvoltage and insulation coordination for high voltage substation: methodology, modelling approach and case study

被引：0

作者：

Muniappan M. ^{[1
]}

机构：

[1] Power System Studies Expert, Siemens Energy, Erlangen

来源：

International Journal of Power and Energy Conversion | 2023年 / 14卷 / 01期

关键词：

high voltage; insulation coordination; lightning; overvoltage; switching; transients;

D O I：

10.1504/IJPEC.2023.133626

中图分类号：

学科分类号：

摘要：

Transient overvoltage is one of the major concerns for high voltage (HV) substations and transmission systems. Overvoltage and insulation coordination (IC) studies are essential for the proper design of an insulation level of the HV substations. In this paper, the methodology and modelling approach for the IC studies such as temporary overvoltage (TOV), switching overvoltage (SOV) and lightning induced overvoltage (LIOV) cases for HV substations are presented. The modelling and simulation studies are carried out for 400 kV air-insulated substation (AIS) under TOV, SOV, and LIOV cases using PSCAD/EMTDC. The maximum overvoltage is determined for the TOV, SOV, and LIOV cases in a 400 kV AIS. Also, the determined peak overvoltage is compared with the standard insulation level of the equipment for TOV, SOV, and LIOV cases and provide the recommendation to reduce the overvoltage when it exceeds the maximum permissible limit. Copyright © 2023 Inderscience Enterprises Ltd.

引用

页码：45 / 74

页数：29

共 34 条

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