ESI 41-15 PT 9 : ISSUE 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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AC TRACTION SUPPLIES TO BRITISH RAIL
23-07-2013
12-01-2013
Specifies methods of connecting the protective relay ac and dc circuits, the automatic switching circuits, the supplies to the metering circuits, the control circuits local to the 132kV substation and interconnections to the equipment in the British Rail 25kV substation. These latter interconnections are typical only but are included for completeness.
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