NR/WI/ELP/27122 ISSUE 2
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
inactive
| Organization: | NR |
| Publication Date: | 1 April 2006 |
| Status: | inactive |
| Page Count: | 6 |
scope:
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 Metal Clad Switchgear with Bitumastic Compound Filled Busbar Chambers and staff are present at that location, the following instructions shall be carried out. A list of Substations where this instruction is applicable shall be produced within each Territory and made available in the appropriate Electrical Control Room Instructions.
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...
NR/WI/ELP/27122 ISSUE 2
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...
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...