====== Recommended grid-support settings ======
===== Scope =====
This instruction guides how to set the grid-support functions required by
* HECO Rule 14H
* CPUC Rule 21
* IEEE 1547
This document covers the following models
* PWS1-50K-NA
* PWS1-100K-NA
* PWS1-150K-NA
* PWS1-250K-NA
* PWS1-500KTL-NA
===== Anti-islanding =====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 2 -> Anti-islanding |to dis-/enable Anti-islanding |Enabled |Enabled |Enabled |
===== Frequency and Voltage Ride-through =====
==== Enabling ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 2 -> FVRT enable | to dis-/enable frequency and voltage ride-through |Enabled |Enabled |Enabled |
|Setting -> AC -> Page 2 -> FVRT current limit |to dis-/enable current limiting in ride-through |Disabled |Enabled |Unknown |
==== Frequency Ride-through ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 6 -> OFR2 voltage| Over-frequency region 2 boundary, bias of nominal frequency |
* 5 (+60Hz) for Molokai, Lanai
* 4 (+60Hz) for Oahu, Maui, Hawaii
|
|Setting -> AC -> Page 6 -> OFR2 time| Over-frequency region 2 trip time, -0.5~-1s later than ride-through until |0.1s, no ride through |
|Setting -> AC -> Page 6 -> OFR1 voltage| Over-frequency region 1 boundary, bias of nominal frequency |3 (+60Hz) |
|Setting -> AC -> Page 6 -> OFR1 time| Over-frequency region 1 trip time, -0.5~-1s later than ride-through until |20 s, making ride-through 19.98 s |
|Setting -> AC -> Page 6 -> UFR1 voltage| Under-frequency region 1 boundary, bias of nominal frequency|-3 (+60Hz)|
|Setting -> AC -> Page 6 -> UFR2 voltage| Under-frequency region 1 boundary, bias of nominal frequency|
* -10 (+60Hz) for Molokai, Lanai
* -4 (+60Hz) for Oahu, Maui, Hawaii
|
|Setting -> AC -> Page 6 -> UFR1 time |Under-frequency region 1 trip time, -0.5~-1s later than ride-through until |20 s, making ride-through 19.98 s|
|Setting -> AC -> Page 6 -> UFR2 time |Under-frequency region 2 trip time, -0.5~-1s later than ride-through until |0.1s, no ride through |
|Setting -> AC -> Page 6 -> Restore upper limit freq |Grid reconnect threshold frequency-upper limit, bias of nominal frequency| 0.1 (+60Hz) |
|Setting -> AC -> Page 6 -> Restore lower limit freq |Grid reconnect threshold frequency-lower limit, bias of nominal frequency| -0.1 (+60Hz) |
==== Voltage Ride-through ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 5 -> OVR# voltage |Over-voltage region # boundary, ratio of nominal voltage |OVR1 voltage: 1.1 (*480V)\\ OVR2 voltage: 1.2 (*480V) |
|Setting -> AC -> Page 5 -> OVR# time |Over-voltage region # trip time, 0.02s later than ride-through until |OVR1 time: 0.94 s, making ride-through until 0.92s\\ OVR2 time: 0.1 s, no ride-through |
|Setting -> AC -> Page 5 -> UVR# voltage |Under-voltage region # boundary, ratio of nominal voltage |UVR1 voltage: 0.88 (*480V)\\ UVR2 voltage: 0.7 (*480V)\\ UVR3 voltage: 0.5 (*480V) |
|Setting -> AC -> Page 5 -> UVR# time |Under-voltage region # trip time, 0.02s later than ride-through until |UVR1 time: 20 s, making ride-through until 19.98s\\ UVR2 time: 11 s, making ride-through until 10.98s\\ UVR3 time: 0.1 s, no ride-through |
===== Soft Start Ramp Rate (SS) and Normal Ramp Rate (RR) =====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 2 -> P change mode |How the power changes when instructed, step or with ramp |Set to "Ramp rate" to enable SS and RR|
|Setting -> AC -> Page 1 -> Soft-Start reconnection ramp rate |SS |<0.0032 (*Pnom/s)|
|Setting -> AC -> Page 1 -> Grid reconnection delay |Grid reconnection delay |300 s|
|Setting -> AC -> Page 1 -> Normal Ramp Rate |RR |1 (*Pnom/s)|
===== Volt-VAr =====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 1 -> AC operation mode | to enable Votl-VAr control |Set to V/VAr control to apply Votl-VAr control |
|Setting -> AC -> Page 7 -> Volt/var point 1 |V1 at Q1, ratio of nominal voltage |0.92 (*480V) |
|Setting -> AC -> Page 7 -> Volt/var point 2 |V2 at Q2, ratio of nominal voltage |0.97 (*480V) |
|Setting -> AC -> Page 7 -> Volt/var point 3 |V3 at Q3, ratio of nominal voltage |1.03 (*480V) |
|Setting -> AC -> Page 7 -> Volt/var point 4 |V4 at Q4, ratio of nominal voltage |1.07 (*480V) |
|Setting -> AC -> Page 7 -> Max. inductive reactive regulation |Q4, ratio of nominal capacity |0.3 (*Pnom) |
|Setting -> AC -> Page 7 -> Max. capacitive reactive regulation |Q1, ratio of nominal capacity |0.3 (*Pnom) |
|Setting -> AC -> Page 7 -> Initial. inductive reactive regulation 3 |Q3, ratio of nominal capacity |0 (*Pnom) |
|Setting -> AC -> Page 7 -> Initial. capacitive reactive regulation 2 |Q2, ratio of nominal capacity |0 (*Pnom) |
|Setting -> AC -> Page 7 -> Volt/var reaction time |Volt-VAr response time |1 s |
|Setting -> AC -> Page 7 -> Volt/var Vref |Vref, ratio of nominal voltage |1 (*480V)|
===== Volt-Watt and Freq-Watt =====
==== Enabling ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 2 -> Active power regulation |Set to Volt control to apply Volt-Watt |Unaware of present CPUC/HECO politics |
|Setting -> AC -> Page 2 -> Active power regulation |Set to Freq control to apply Freq-Watt |Unaware of present CPUC/HECO politics |
|Setting -> AC -> Page 2 -> Active power regulation |Set to V/F control to apply Volt-Watt and Freq-Watt at the same time. Yet Freq-Watt prior to Volt-Watt |Unaware of present CPUC/HECO politics |
==== Volt-Watt ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 8 -> Volt/Watt V1 |Volt-Watt V1 |1.06 (*480V) |1.06 (*480V) |1.06 (*480V) |
|Setting -> AC -> Page 8 -> Volt/Watt ramp rate |useless, cancelled in V1440 |0 |
|Setting -> AC -> Page 8 -> Volt/Watt delay |Volt/Watt return delay |60 s |60 s |60 s |
|Setting -> AC -> Page 8 -> Volt/Watt V2 |Volt-Watt V2 |1.1 (*480V) |1.1 (*480V) |1.1 (*480V) |
|Setting -> AC -> Page 8 -> Volt/Watt P1 |Volt-Watt P1 |1 (*power setpoint) |1 (*power setpoint) |1 (*power setpoint) |
|Setting -> AC -> Page 8 -> Volt/Watt P2 |Volt-Watt P2 |0 (*power setpoint) |0 (*power setpoint) |0 (*power setpoint) |
|Setting -> AC -> Page 8 -> Volt/Watt response time |Volt-Watt response time|10 s |10 s |10 s |
==== Freq-Watt ====
^Parameter on HMI (legacy name before M1330) ^Meaning ^HECO requirement ^CA rule 21 requirement ^IEEE1547 requirement ^
|Setting -> AC -> Page 8 -> Freq/Watt point |Fstart, the frequency Freq-Watt supposed to start |0.25 (+60Hz) |
|Setting -> AC -> Page 8 -> Freq/Watt ramp rate |Freq-Watt slope |0.05 (*power setpoint/Hz) |
|Setting -> AC -> Page 8 -> Freq-Watt response time |Freq-Watt response time |0.50 s |