Entec EVRC2A-N6-NT - Page 38

RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
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ENHANCED TECHNOLOGY
TRIP TYPE
y INST : Shows high current trip (50-1)
y DELAY : Shows delay trip(51)
y HIGH CURR’ : Shows high current lockout(50-2)
FAULT INDICATION
y A, B, C : Indicates an over-current fault has occurred on one of the phase lines
y G : Indicates an over-current fault has occurred on the neutral line
y SEF : Indicates a sensitive earth fault has occurred on the neutral line
y FI RESET : Reset fault indication/Lamp test
3.1.4. Voltage Elements Section
Indicates that voltage pickup element is operated.
y Two Under voltage Elements
y Two Over voltage Elements
y Synchronism Element
y Under/Over frequency Element
27 : Under voltage pickup
59 : Over voltage pickup
25 : Synchronism check pickup
81 : Under/Over frequency pickup
Figure 3-5. Voltage Elements Section