106
900-00275-01-001 Rev A ©2021 OutBack Power. All Rights Reserved.
Specifications
Table 9
Grid Protection Settings (IEEE 1547 and CA Rule 21)
Range of
Adjustment
Certified
Range
IEEE 1547-2003
IEEE
1547-2018
Cat III/B
CA Rule 21
Parameter
Min
Max
Min
Max
Watt/VAr 6 reactive
power (pu)
–0.500 0.500
n/a
n/a
n/a
–0.440
–0.440
Enter service
Disabled Enabled
n/a
n/a
Enabled
Enabled
Enabled
Enter service HV (pu)
0.880
1.100
n/a
n/a
1.058
1.050
1.058
Enter service LV (pu)
0.880
1.100
n/a
n/a
0.917
0.917
0.883
Enter service HF (Hz)
55.00
66.00
n/a
n/a
60.50
60.10
60.50
Enter service LF (Hz)
55.00
66.00
n/a
n/a
59.30
59.50
58.50
Enter service delay (s)
0
1600
n/a
n/a
300
300
15
Random delay (s)
0
1000
n/a
n/a
0
0
0
Enter service
ramp time (s)
1 1000
1
1000
1 300 50
PF export
3
Disabled
Enabled
4
n/a
n/a
Enabled
Enabled
Disabled
PF import
3
Disabled
Enabled
4
n/a
n/a
Enabled
Enabled
Disabled
Export limit
Disabled Enabled
n/a
n/a
Disabled
Disabled
Disabled
Export limit (pu)
0.000
1.000
n/a
n/a
1.000
1.000
1.000
Constant Vars
3
Disabled
Enabled
n/a
n/a
n/a
Disabled Disabled
Constant Vars
setpoint (pu)
–1.000 1.000
n/a
n/a
n/a
0
0.000
Export ramp (pu/s)
0.010
1.000
0.010
1.000
1.000
1.000
1.000
PF export setpoint
5
0.400
1.000
0.400
1.000
1.000
1.000
0.950
PF import setpoint
5
0.400 1.000
0.400
1.000
1.000
1.000
0.950
PF export excitation
6
Absorbing Injecting
Absorbing
Injecting
Absorbing
Absorbing
Absorbing
PF import excitation
6
Absorbing Injecting
Absorbing
Injecting
Injecting
Injecting
Injecting
3
Only one of the four VAr functions (
Volt/VAr
,
Watt/VAr
,
Constant PF
,
Constant VAr
) can be enabled at one time.
4
PF export
and
PF import
must both be either enabled or disabled. It is not valid to have one enabled while the other is disabled.
This is the
Constant PF
function from IEEE 1547-2018 and the previous notes.
5
By default,
PF export
is set to under-excited while
PF import
is set to over-excited. Modification of those defaults is only possible
through SunSpec or 2030.5 communications.
6
Power Factor during export should always be absorbing, and during import it should be injecting. This will be made clear in a pending
update to IEEE P1547.9. The simple reason is that during active power export voltage will tend to rise and absorbing VArs will help pull
voltage back down. Conversely, during active power import, voltage will tend to drop and injecting VArs will help to pull voltage back up.
This minimizes the impact on voltage from changes in active power import and export.
Summary of Contents for OutBack POWER Mojave OGHI8048A
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