Start Signal Logic; Trip Signal Logic; Figure 147: Start Signal Logic; Figure 148: Trip Signal Logic - GE MiCOM P40 Agile Technical Manual

P14x
7.2.1

START SIGNAL LOGIC

Ext AR Prot Strt
Ext Prot
Initiate Main AR
I>1 Start
I>1 AR
Initiate Main AR
IN1>1 Start
IN1>1 AR
Initiate Main AR
IN2>1 Start
IN2>1 AR
Initiate Main AR
ISEF>1 Start
ISEF>1 AR
Initiate Main AR
Initiate SEF AR
V00502

Figure 147: Start signal logic

7.2.2

TRIP SIGNAL LOGIC

AR Init TripTest
Test Autoreclose
3 pole Test
Ext AR Prot Trip
Ext Prot
Initiate Main AR
Trip Command In
I>1 Trip
I>1 AR
Initiate Main AR
IN1 >1 Trip
IN1>1 AR
Initiate Main AR
IN2 >1 Trip
IN2>1 AR
Initiate Main AR
ISEF>1 Trip
ISEF>1 AR
Initiate Main AR
Initiate SEF AR
V00503

Figure 148: Trip signal logic

P14xEd1-TM-EN-1
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Note : This diagram does not show all stages . Other stages follow similar principles.
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Note: This diagram does not show all stages . Other stages follow similar principles.
Chapter 13 - Autoreclose
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Main Protection Start
SEF Protection Start
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Main Protection Trip
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SEF Protection Trip
AR Trip Test
291