DSE Model 8620 AMF Controller Operators Manual
46
4.2.1 3 PHASE, 4 WIRE WITH RESTRICTED EARTH FAULT PROTECTION
NOTE:- Earthing the neutral conductor ‘before’ the neutral CT allows the module to read
earth faults ‘after’ the CT only (Restricted to load / downstream of the CT)
Earthing the neutral conductor ‘after’ the neutral CT allows the module to read earth faults
‘before’ the CT only (Restricted to generator / upstream of the CT)
NOTE:- The MAINS CT is only required on for ‘true’ peak lop systems where the mains is
held at a constant level and the generator provides variable power to the load.
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