6
Figure 4:
Balanced or restricted earth fault protection for delta winding of a power
transformer with supply system earthed
Figure 6:
Restricted earth fault protection for 3 phase 4 wire system applicable to star connected
generators or power transformer windings earthed directly at the star point
Figure 5:
Restricted earth fault protection for 3 phase, 4 wire system-applicable to star connected
generators or power transformer windings with neutral earthed at switchgear
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