Appendix H: Regional Grid Code Settings

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Note
The system cannot be commissioned without selecting a Grid Code Region.
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Note
Each selected region corresponds to the following grid-related feature settings.
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Note
For adjustments to the setpoints that differ from those defined for Region A/B/C, please contact Tesla.

Voltage and Frequency Trip Settings

Table 1. Passive Anti-Islanding Voltage Limit Values
Protective Function Protective Function Limit Trip Delay Time Maximum Disconnection Time
Undervoltage 2(V< <) 70 V 1 s 2 s
Undervoltage 1 (V<) 180 V 10 s 11 s
Overvoltage 1 (V>) 265 V 1 s 2 s
Overvoltage 2 (V> >) 275 V - 0.2 s
Table 2. Passive Anti-Islanding Frequency Limit Values
Region Australia A Australia B Australia C New Zealand
Under-frequency 1 (F<) Protective function limit value 47 Hz 47 Hz 45 Hz 45 Hz
Trip delay time 1 s 1 s 5 s 1 s
Maximum disconnection time 2 s 2 s 6 s 2 s
Over-frequency 1 (F>) Protective function limit value 52 Hz 52 Hz 55 Hz 55 Hz
Trip delay time - - - -
Maximum disconnection time 0.2 s 0.2 s 0.2 s 0.2 s

Upper Connection and Reconnection Frequency (fURF)

Table 3. Upper Connection and Reconnection Frequency (fURF)
Region fURF
Australia A 50.15 Hz
Australia B 50.15 Hz
Australia C 50.50 Hz
New Zealand 50.15 Hz

Vnom Max Settings

Table 4. Settings for Vnom-max
Region Default Setpoint
Australia A 258 V
Australia B 258 V
Australia C 258 V
New Zealand 249 V
Allowable range 244 V to 258 V

Volt-Watt - Charge Settings

Table 5. Volt-Watt Response Set-Point Values for Multiple Mode Inverters with Energy Storage when Charging
Region Default Value VW1-ch VW2-ch
Australia A Voltage 207 V 215 V
Pcharge/Prated-ch 20% 100%
Australia B Voltage 195 V 215 V
Pcharge/Prated-ch 0% 100%
Australia C Voltage 207 V 215 V
Pcharge/Prated-ch 20% 100%
New Zealand Voltage 216 V 224 V
Pcharge/Prated-ch 20% 100%
Allowed Range Voltage 180 to 230 V 180 to 230 V
Pcharge/Prated-ch 0 to 20% 100%
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Note
Pcharge refers to power input level through the grid-interactive port.
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Note
Prated-ch refers to the rated active power input through the grid-interactive port used for charging the energy storage.

Volt-Watt - Discharge Settings

Table 6. Volt-Watt Response Default Set-point Values
Region Default Value VW1-ch VW2-ch
Australia A Voltage 253 V 260 V
Inverter maximum active power output level (P) % of Srated 100% 20%
Australia B Voltage 250 V 260 V
Inverter maximum active power output level (P) % of Srated 100% 20%
Australia C Voltage 253 V 260 V
Inverter maximum active power output level (P) % of Srated 100% 20%
New Zealand Voltage 242V 260 V
Inverter maximum active power output level (P) % of Srated 100% 20%
Allowed Range Voltage 235 to 255 V 240 to 265 V
Inverter maximum active power output level (P) % of Srated 100% 0 to 20%
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Note
Australia C parameter set is intended for application in isolated or remote power systems.

Volt-Var Settings

Table 7. Volt-Var Response Set-point Values
Region Default Value VV1 VV2 VV3 VV4
Australia A Voltage 207 V 220 V 240 V 258 V
Inverter reactive power level (Q) % of Srated 44 % supplying 0 % 0 % 60 % absorbing
Australia B Voltage 205 V 220 V 235 V 255 V
Inverter reactive power level (Q) % of Srated 30 % supplying 0 % 0 % 40 % absorbing
Australia C Voltage 215 V 230 V 240 V 255 V
Inverter reactive power level (Q) % of Srated 44 % supplying 0 % 0 % 60 % absorbing
New Zealand Voltage 207 V 220 V 235 V 244 V
Inverter reactive power level (Q) % of Srated 60 % supplying 0 % 0 % 60 % absorbing
Allowed Range Voltage 180 to 230 V 180 to 230 V 230 to 265 V 230 to 265 V
Inverter reactive power level (Q) % of Srated 30 to 60 % supplying 0 % 0 % 30 to 60 % supplying
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Note
Inverters may operate at a reactive power level with a range up to 100% supplying or absorbing.
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Note
Australia C parameter set is intended for application in isolated or remote power systems.

Frequency-Watt Settings

Table 8. Frequency Variation Withstand Limits
Inverter Response Decrease in Frequency Response Lower Limit (Hz) Lower Limit of Continuous Operation Range (fLLCO) (Hz) Upper Limit of Continuous Operation Range (fULCO) (Hz) Increase in Frequency Response Upper Limit (Hz)
Range - 49.5 - 49.9 50.1 - 50.5 -
Australia A 47 49.75 50.25 52
Australia B 47 49.85 50.15 52
Australia C 45 49.5 50.5 55
New Zealand 45 49.8 50.2 55
Table 9. Frequency Response Limits
Inverter Response Decrease in Frequency Response Limits1 Increase in Frequency Response Limits2
Frequency where power output level is maximum (fPmax) (Hz) Frequency where charging power level is zero (fstop-ch) (Hz) Frequency where discharging power level is zero (ftransition) (Hz) Frequency where power level is minimum (fPmin) (Hz)
Range 47 to 49 48 to 49.5 50.5 to 52 52 to 53
Australia A 48 49 50.75 52
Australia B 48 49 50.75 52
Australia C 47 48.25 51.75 53
New Zealand 48 49 51 52
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Note
This refers to multiple mode inverters with energy storage.

1 For decrease in frequency response refer to Clause 4.5.3.2.

2 For increase in frequency response refer to Clause 4.5.3.3.