Entec EVRC2A-N6-NT, User Manual

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RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
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EN
HANCED
TEC
HNOLOGY
2.4. Protection Elements
Phase/Ground/Negative Sequence Time Overcurrent Protection
Pickup Level .............................................................. OFF, 10 to 1600 in steps of 1A
Dropout Level ........................................................... 96 to 98% of Pickup
Curve Type
„ ANSI : Moderately, Normally, Very, Extremely, Short Inverse, Definite Time (1s ,10s)
„ IEC : Standard, Very, Extremely, Long, Short Inverse
„ ESB : Normally, Very, Long Very Inverse
„ User programmable curves : U1, U2, U3, U4
„ McGraw-Edison : Non Standard Curves 37
Time dial ................................................................... 0.05 to 15.00 in steps of 0.01
Time adder ................................................................. 0.00 to 10.00 in steps of 0.01s
Minimum Response time .......................................... 0.00 to 10.00 in steps of 0.01s
Reset Type ................................................................. Instantaneous/Linear
Low Set Definite Time .............................................. 1 ~ 600 in steps of 1s
(supported from Ver 6.03 of EVRC2A-N6,NT)
Pickup Level Accuracy.............................................. 5%
Timing Accuracy ....................................................... ± 5% of trip time or ± 20
㎳
Phase/Ground/Negative Sequence Instantaneous Overcurrent Protection
Pickup Level .............................................................. OFF, 10 to 20000 in steps of 1A
Dropout Level ........................................................... 95 to 98% of Pickup
Time Delay ................................................................ 0.00 to 10.00 in steps of 0.01s
Active Trip ................................................................ 1 to 5 in steps of 1
Pickup Level Accuracy.............................................. 5%
Timing Accuracy ....................................................... at 0
㎳
time delay (50
㎳
max)
5% of trip time or ± 20
㎳
Phase/Ground/Negative Sequence High Current Lockout Protection
Pickup Level .............................................................. OFF, 10 to 20000 in steps of 1A
Dropout Level ........................................................... 95 to 98% of Pickup
Time Delay ................................................................ 0.00 to 10.00 in steps of 0.01s
Active Trip ................................................................ 1 to 5 in steps of 1
Pickup Level Accuracy.............................................. 5%
Timing Accuracy ....................................................... at 0
㎳
time delay (50
㎳
max)
5% of trip time or ± 20
㎳