CPS SCA Series - Power Derating Setup

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Table 6-12 LVRT and HVRT Parameters (IEEE5147 and Rule21)
Only for CPS SCA25KTL-DO-US-208
Grid Frequency Protection
Setting Range
Parameter
Name
Description
IEEE1547
Rule21
Min
Default
Max
Min
Default
Max
LVRTModeSett
ing
0: Disable
1: Enable, no reactive power
output
2: Enable, reactive power
output
0
0
2
0
0
2
LVRTTripVolt
(%)
Threshold value of LOW
voltage trip
70.0
80.0
100.0
70.0
80.0
100.0
LVRTPstReacti
ve1(%)
The factor LVRT Positive
Reactive Current
0.0
150.0
300.0
0.0
150.0
300.0
LVRTNegReact
ive1(%)
The factor LVRT Negative
Reactive Current
0.0
200.0
300.0
0.0
200.0
300.0
HVRTModeSet
ting
0: Disable
1: Enable, no reactive power
output
2: Enable, reactive power
output
0
0
2
0
0
2
HVRTTripVolt
(%)
Threshold value of HIGH
voltage trip
100.0
110.0
135.0
100.0
110.0
135.0
6.2.5 Power Derating Setup
“Power Derating Setup” menu is used to set the active power derating
parameters including Active Power Derating, Over frequency derating, Low
frequency derating, High temperature frequency derating, etc. The
parameters are shown in Figure 6-13.