POMCube iCAN NetZero Plus Series - Voltage & Frequency Ride-Through

22
Voltage & Frequency Ride-Through
Universal PCS has voltage and frequency limits for utility interaction according
to the following ranges per IEEE 1547a-2014.
Default settings
Clearing time:
configurable up to and
including (sec)
Voltage range (% of
base voltage)
Clearing time (sec)
V < 45
0.16
0.16
45 ≤ V < 60
1
11
60 ≤ V < 88
2
21
110 < V < 120
1
13
V ≥ 120
0.16
0.16
Default settings
Ranges of adjustability
Function
Frequency
(Hz)
Clearing time
(sec)
Frequency
(Hz)
Clearing time:
configurable up to
and including (sec)
UF1
< 57
0.16
56 - 60
10
UF2
< 59.5
2
56 - 60
300
OF2
< 60.5
2
60 - 64
300
OF2
> 62
0.16
60 - 64
10
NOTE:
Trip limit and trip time
accuracy
Voltage: 2%;
Frequency: 0.2Hz
Time: 3%, but not less than 50ms