CPS SCA25KTL-DO/US-208 - Page 98

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Table 6-6 LVRT and HVRT Parameters (IEEE1547-2018, Rule21 and ISO-NE )
Grid Frequency Protection
Setting Range
Parameter Name
Description
IEEE1547-2018
Rule21
ISO-NE
Min
Default
Max
Min
Default
Max
Min
Default
Max
LVRTModeSetting
0: Disable
1: Enable, no
reactive power
output
2: Enable,
reactive power
output
0
2
2
0
2
2
0
2
2
LVRTTripVolt(%)
Threshold value
of LOW voltage
trip
70
88
100
70
88
100
70
88
100
LVRTPstReactive
1
The factor LVRT
Positive
Reactive
Current
0
200
300
0
200
300
0
150
300
LVRTNegReactiv
e1
The factor LVRT
Negative
Reactive
Current
0
200
300
0
200
300
0
200
300
HVRTModeSettin
g
0: Disable
1: Enable, no
reactive power
output
2: Enable,
reactive power
output
0
1
2
0
1
2
0
1
2
HVRTTripVol(%)
Threshold value
of HIGH voltage
trip
100
110
135
100
110
135
100
110
135