Entec ETMFC610 - Protection Type Functions

Multi-Function Control ETMFC610 http://www.entecene.co.kr
13
EN
HANCED
TEC
HNOLOGY
2.5. Protection Type Functions
Phase/Ground/Neg Seq’ Time Overcurrent Protection (+/-)
Function..................................................................... DISALBE/TRIP/TRIP&ALARM/ALARM
Phase/Ground/Negative Sequence Pickup Level ...... 10 to 1600A in steps of 1A
*. The setting range of Pickup Level can vary
according to H/W option.
Dropout Level ........................................................... 96 to 98% of Pickup
Curve Type ................................................................ Total 62 Curves
 ANSI/IEEE : Normally, Very, Extremely
 IEC : Normally, Very, Extremely, Long Time Inverse, Short Time Inverse
 EB : Normally, Very, Long Time Very Inverse, Extremely Inverse
 Definite Time : DEF-1s, DEF-10s
 Korean(Kepco) Curve : N1, N2, N3, N4
 User programmable curves : USER-1, USER-2, USER-3, USER-4
 McGraw-Edison : Non-Standard Curves 32
 Fuse Non-standard Curve : 3 (RI, HR, FR)
Time Dial ................................................................... 0.01 to 15.00 in steps of 0.01
Time Adder ................................................................ 0.00 to 600.00s in steps of 0.01s
Minimum Response Time ......................................... 0.00 to 10.00s in steps of 0.01s
Reset Type ................................................................. INSTANTANEOUS/LINEAR
Low Set Definite Time .............................................. OFF, 0.01 to 600.00s in steps of 0.01s
Pickup Level Accuracy.............................................. 5%
Timing Accuracy ....................................................... Max. 50㎳ at 0㎳ trip time delay
5% of trip time or ± 20㎳
Phase/Ground/Neg Seq’ Instantaneous Overcurrent Protection(+/-)
Function..................................................................... DISALBE/ENABLE
Phase/Ground/Neg’ Pickup Level ............................. 10 to 20,000A in steps of 1A
Dropout Level ........................................................... 95 to 98% of Pickup
Time Delay ................................................................ 0.00 to 600.00s in steps of 0.01s
Active Sequence ........................................................ 1~5shot in steps of 1shot
Pickup Level Accuracy.............................................. 5%
Timing Accuracy ....................................................... Max. 50㎳ at 0㎳ trip time delay
5% of trip time or ± 20㎳