NG CH 10
Commissioning Handbook - Procedure Primary and Secondary Injection Requirement for an Additional Circuit of High Impedance Circulating Current Busbar Protection with Single (Duplicated) Relays per Zone
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| Organization: | NG |
| Publication Date: | 1 November 2006 |
| Status: | inactive |
| Page Count: | 14 |
scope:
PURPOSE
The purpose of this procedure is to specify the arrangements for the primary and secondary injection of an additional circuit of busbar protection, for a High Impedance circulating current scheme with a single (duplicated) relay per zone (typically a 275kV double busbar scheme).
Document History
June 1, 2015
Commissioning Handbook - Primary and Secondary Injection Requirement for an Additional Circuit of High Impedance Circulating Current Busbar Protection with Single (Duplicated) Relays per Zone
The purpose of this procedure is to specify the arrangements for the primary and secondary injection of an additional circuit of busbar protection, for a High Impedance circulating current scheme...
NG CH 10
November 1, 2006
Commissioning Handbook - Procedure Primary and Secondary Injection Requirement for an Additional Circuit of High Impedance Circulating Current Busbar Protection with Single (Duplicated) Relays per Zone
PURPOSE
The purpose of this procedure is to specify the arrangements for the primary and secondary injection of an additional circuit of busbar protection, for a High Impedance circulating current...