NR - RT/E/WI/27122 ISSUE 1
Loss of High Voltage Supply To, or the Tripping of a HV Circuit Breaker for No Known Reason in a Substation Building Containing Metal Clad Switchgear with Bitumastic Compound Filled Busbar Chambers (aka NR/WI/ELP/27122)
inactive
| Organization: | NR |
| Publication Date: | 4 December 2004 |
| Status: | inactive |
| Page Count: | 18 |
scope:
General
This instruction applies to switchgear operating at 11kV and above. If the HV supply is lost or an HV circuit breaker operates for no known reason in a building equipped with the above switchgear and staff are present at that location, the following procedure shall be followed. A list of Substations where this procedure is applicable shall be produced within each Division and made available to the appropriate Electrical Control Rooms.
Document History
June 1, 2008
Loss of High Voltage Supply To, or the Tripping Of, a High Voltage Circuit Breaker for No Known Reason in a Substation Building Containing Metal Clad Switchgear with Bitumastic Compound Filled Busbar Chambers
General
This instruction applies to switchgear operating at 11kV and above. If the High Voltage (HV) supply is lost or a HV circuit breaker operates for no known reason in a building equipped with...
April 1, 2006
Loss of high voltage supply to, or the tripping of, a high voltage circuit breaker for no known reason in a substation building containing metal clad switchgear with bitumastic compound filled busbar chambers
General
This instruction applies to switchgear operating at 11kV and above. If the High Voltage (HV) supply is lost or a HV circuit breaker operates for no known reason in a building equipped with...
RT/E/WI/27122 ISSUE 1
December 4, 2004
Loss of High Voltage Supply To, or the Tripping of a HV Circuit Breaker for No Known Reason in a Substation Building Containing Metal Clad Switchgear with Bitumastic Compound Filled Busbar Chambers (aka NR/WI/ELP/27122)
General
This instruction applies to switchgear operating at 11kV and above. If the HV supply is lost or an HV circuit breaker operates for no known reason in a building equipped with the above...
References
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