CPS SCA Series - Page 97

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Table 6-5 Protection Parameters (IEEE1547 /Rule21 and ISO-NE) Cont'd
Only for CPS SCA50/60KTL-DO/US-480
Grid Recovery
Setting Range
Parameter name
Description
IEEE1547
Rule21
ISO-NE
Min
Default
Max
Min
Default
Max
Min
Default
Max
VoltMax
Recovery Max
threshold of grid
voltage protection
80
107.92
135
80
107.99
135
80
108.00
135
VoltMin
Recovery Min
threshold of grid
voltage protection
20
90.08
100
20
90
100
20
90.00
100
VolRecoveryT(S)
Recovery time of grid
voltage protection
0
300
655
0
300
655
0
300.00
655
FrqMax (Hz)
Recovery Max
threshold of grid
Frequency protection
54
60.30
66
54
60.4
66
54
61.0
66
FrqMin (Hz)
Recovery Min
threshold of grid
Frequency protection
54
59.8
60
54
58.6
60
54
58.7
60
FrqRecoveryT (S)
Recovery time of grid
frequency protection
0
300
655
0
300
655
0
300.00
655
Grid Voltage Moving Average
VoltMax
The Max grid voltage
of moving average
filter
100
110
135
100
110
135
100
110
135
MaxTripT(s)
The trip time of the
Max grid voltage of
moving average filter
0
600
655
0
600
655
0
600
655
VoltMin
The Min grid voltage
of moving average
filter
80
88
100
80
88
100
80
88
100
MinTripT(s)
The trip time of the
Min grid voltage of
moving average filter
0
600
655
0
600
655
0
600
655