Implementation scheme for local protection  outdoor installation based on quasi twoterminal prefabricated connection

Huadian Technology ›› 2019, Vol. 41 ›› Issue (5): 40-45.

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Implementation scheme for local protection outdoor installation based on quasi twoterminal prefabricated connection

1.Guodian Nanjing Automation Company Limited, Nanjing 210003, China; 2.Nanjing SAC Power Grid Automation Company Limited, Nanjing 211153, China

Online:2019-05-25 Published:2019-06-04

Abstract

Abstract:

In order to make full use of the miniaturization, standardized interface and plugandplay of local protection device, an implementation scheme for local protection device grid connection and trial operation based on quasi twoterminal prefabrication is proposed. And focus is made on the installation scheme based on secondary system prefabricated box which realizes the local protection interval and prefabricated installation. Based on the structural and functional configuration of the prefabricated box for secondary system, the networking scheme of local protection is put forward, and the prefabricated interface and objectorientation loop connection scheme based on secondary system prefabricated box is emphasized.

Key words:

outdoor installation of local protection, quasi twoterminal prefabrication, prefabricated box for secondary system, installation scheme, network scheme

CHEN Dong1,2，LI Yuping1,2，CHEN Qi1,2，ZHANG Wei1,2，HU Bing1,2，WANG Sheng1,2.

Implementation scheme for local protection outdoor installation based on quasi twoterminal prefabricated connection

[J]. Huadian Technology, 2019, 41(5): 40-45.

[1]	YU Xiuyan. Schemes analysis of building installation in the natural gas distributed energy station [J]. Huadian Technology, 2014, 36(6): 4-7.
[2]	ZHENG Liwen. NCB installation scheme for 350MW supercritical heat supply unit and economic analysis [J]. Huadian Technology, 2013, 35(5): 1-4.

Implementation scheme for local protection outdoor installation based on quasi twoterminal prefabricated connection

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