Approach on the neutral grounding modes of 20kV distribution networks

Author

Ji Yafei ; Ming, HooYiMing

Author_Institution

China Electr. Power Res. Inst., Beijing, China

fYear

2008

fDate

10-13 Dec. 2008

Firstpage

1

Lastpage

4

Abstract

The neutral grounding mode selection of distribution is one of the concernful problems faced in the modification of distribution. This paper researches and analyzes the three different neutral grounding modes of ungrounded-neutral mode, neutral Peterson coil grounding mode and neutral resistance grounding mode respectively. The selecting schemes of neutral grounding mode to different grid structure of distribution are presented. The calculation and principle of parameters for different grounding modes are introduced; which provides the theoretical basis and guidance to the selections of neutral grounding modes and related facilities in 20 kV distribution modifications.

Keywords

distribution networks; earthing; power distribution protection; distribution networks; neutral grounding modes; voltage 20 kV; Capacitance; Coils; Costs; Dielectrics and electrical insulation; Electric resistance; Frequency; Grounding; Propagation losses; Safety; Voltage; 20kV Distribution; Neutral Grounding Mode; Peterson Coil Grounding Mode; Resistance Grounding Mode; Ungrounded-neutral Mode;

fLanguage

English

Publisher

ieee

Conference_Titel

Electricity Distribution, 2008. CICED 2008. China International Conference on

Conference_Location

Guangzhou

Print_ISBN

978-1-4244-3373-5

Electronic_ISBN

978-1-4244-3372-8

Type

conf

DOI

10.1109/CICED.2008.5211818

Filename

5211818