Engine : Electricity - 1370/1386 |
---|
« Previous Question |
As shown in the illustrated alternator protection scheme diagram, under what circumstances would an earth leakage relay (EL) be used? EL-0067 |
A) in grounded low voltage systems |
B) in ungrounded low voltage systems |
C) in high voltage systems with a low impedance earthing resistor or transformer |
D) in high voltage systems with a high impedance earthing resistor or transformer |
loading answer...
Illustration EL-0067