RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
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TECHNOLOGY
Protective Elements - ANSI Designations
Table 7-1. Protective Elements -ANSI Designations
Protective Elements ANSI Designations
Four shot recloser 79
Phase fast time overcurrent 51P1
Ground fast time overcurrent 51G1
Negative sequence fast time overcurrent 46(51)-1
Phase delay time overcurrent 51P2
Ground delay time overcurrent 51G2
Negative sequence delay time overcurrent 46(51)-2
Sensitive Earth Fault protection 51SEF
Phase directional time control 67P
Ground directional time control 67G
Negative sequence directional time control 67I2
Directional Sensitive Earth Fault 67SEF
Phase instantaneous high current trip 50P1
Ground instantaneous high current trip 50G1
Negative sequence instantaneous high current trip 46(50)1
Phase High current trip lockout 50P2
Ground High current trip lockout 50G2
Negative sequence High current trip lockout 46(50)2
Under voltage 1 27-1
Under voltage 2 27-2
Over voltage 1 59-1
Over voltage 2 59-2
Under frequency 81U
Over frequency 81O
Synchronism check 25
Cold load pickup
Sequence coordination
Loss of Phase
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