DEEP SEA ELECTRONICS DSECONTROL DSE7000 Series - Single Phase with Restricted Earth Fault

DSE Model 7000 Series Control and Instrumentation System Operators Manual
30 Part No. 057-074 7000 Series OPERATING MANUAL ISSUE 2 02/05/2008 ADM
4.4.2 SINGLE PHASE WITH RESTRICTED EARTH FAULT
NOTE:- Earth fault measuring not available on 7200 series controllers.
NOTE:- Earth fault protection alarm only available on 7300 series V2.0.0 and above controllers. 7300
series V1.x.x modules have Earth fault measuring only (no protection alarms).
NOTE:- Mains sensing (Terminals 47-50) is not fitted to DSE7210/ DSE7310 autostart controllers.
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)