ENA TS 41-15 PT2 : ISSUE 1 1978
Current
The latest, up-to-date edition.
Specifies methods of connecting the protective relay a.c. and d.c. circuits, the automatic switching circuits, the supplies to the metering circuit and the control circuits local to the substation for the unbanked transformer end of 132 kV dual secondary transformer feeders fitted with automatic transformer isolation and delayed automatic reclosing circuits.
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