Undercurrent And Zcd Logic For Cb Fail; Figure 105: Undercurrent And Zero Crossing Detection Logic For Cb Fail - GE MiCOM P40 Agile Technical Manual

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Chapter 8 - CB Fail Protection
5

UNDERCURRENT AND ZCD LOGIC FOR CB FAIL

IA
I< Current Set
IB
I< Current Set
IC
I< Current Set
IN
IN< Current Set
ISEF
ISEF< Current
IA
IB
IC
IN
ISEF
V00727

Figure 105: Undercurrent and Zero Crossing Detection Logic for CB Fail

190
Zero Crossing Detection
P14x
IA< Start
IB< Start
IC< Start
IN< Start
ISEF< Start
ZCD IA<
ZCD IB<
ZCD IC<
ZCD IN<
ZCD ISEF<
P14xEd1-TM-EN-1

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