GE P24DM - Undercurrent and ZCD Logic for CB Fail; Figure 93: Undercurrent and Zero Crossing Detection Logic for CB Fail

5 UNDERCURRENT AND ZCD LOGIC FOR CB FAIL
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I< Current Set
IA< Start
I< Current Set
IB< Start
I< Current Set
IC< Start
IN< Current Set
IN< Start
ISEF< Current
ISEF< Start
ZCD IA<
ZCD IB<
ZCD IC<
ZCD IN<
ZCD ISEF<
Zero Crossing Detection
IA
IB
IC
IN
ISEF
IA
IB
IC
IN
ISEF
Figure 93: Undercurrent and Zero Crossing Detection Logic for CB Fail
P24xM Chapter 8 - CB Fail Protection
P24xM-TM-EN-2.1 185