POWERSYS RECLOSER, Manual

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<Figure 5-7> Setting Menu- Func Group
5.2.3. Phase Fault
In order to detect phase fault, setting items and ranges are like below.
<Table 5-1> Detecting phase fault
Category Item Range Default Step Unit Explanation
Op Level
& Time
Pickup Level 10~2000 400 1 A Set operation level
Fast Curve 1~50 A Curve Set fast curve
Fast Multiplier 0.05~2 1.00 0.01
Set a multiplier of fast operating
curve.
Fast Time Add 0.00~1.00 0.00 0.01 sec
Set operating delayed time under fast
curve condition
Fast Min
Response
0.00~1.00 0.00 0.01 sec
Set min. operating response time
under fast curve condition
Fast Reset Time 0.00~1.00 0.00 0.01 sec Set fast reset time of definite time
Delay Curve 1~50 B Curve Set delay curve
Delay Multiplier 0.05~2 1.00 0.01
Set a multiplier of delay operating
curve.
Delay Time Add 0.00~1.00 0.00 0.01 sec
Set operating delayed time under
delay curve condition
Delay Min Resp 0.00~1.00 0.00 0.01 sec
Set minimum operating response time
under delay curve condition
Delay Reset Time
0.00~1.00 0.00 0.01 sec Set delay reset time of definite time
Delay DT Level 25~10000 OFF 1 A Set operating value at delay DT level
Delay DT Time 0.01~2 2.00 0.01 sec Set operating time at delay DT time
HCT Level 25~10000 OFF 1 A
Set operating value at high current
trip level
HCT Time 0.01~1 0.04 0.01 sec
Set operating time at high current
trip time
Func In Use NO/YES YES Set phase fault operation functions
Block flt
Pickup
Cold Load Multi 1~10 2 1
A multiplier to prevent the
mis-recognizing as a fault by
increasing a multiply of pick-up level
under cold load condition.
Return Normal I 0~30 0.3 0.01 sec
Set the return current of restraining
operation against cold load
Cold Load Time 0~180 3 1 min Set restraining time of cold load
Use Cold Load NO/YES NO Set cold load Use/Not use
Inrush Multiply 1~10 2 1
A multiplier to prevent the mis-
recognizing as a fault by increasing a
multiple of pick-up level under inrush
condition
Inrush Time 0~30S 0.02 0.01 sec Set restraining time of Inrush
Use Inrush NO/YES NO Set inrush Use/Not use
2nd Harmonic 1-50 20 1 %
A level of regarding 2
nd
harmonic as
inrush
Use 2nd Harmonic
0.02~1 0.02 0.01 sec Set 2
nd
harmonics Use/Not use