Appendix E: Inverter Settings

Inverter settings must be configured in advance by Tesla. Talk to your Tesla representative if any of the default settings should be modified. The defaults for the inverter follow each region’s grid code. Any changes to the settings shall be authorized by the AHJ.

Response to Abnormal Frequencies requirements for abnormal operating performance Category II & Category III

Shall Trip Category II & III
Shall Trip Function Default Settings Ranges of Allowable Settings
Frequency (Hz) Clearing Time (s) Frequency (Hz) Clearing Time (s)
OF2 62.0 0.16 61.8-66.0 0.16-1000.0
OF1 61.2 300.0 61.0-66.0 180.0-1000.0
UF1 58.5 300.0 50.0-59.0 180.0-1000.0
UF2 56.5 0.16 50.0-57.0 0.16-1000.0

Response to Abnormal Voltage requirements for abnormal operating performance Category II & Category III

Shall Trip Category II
Shall Trip Function Default Settings Ranges of Allowable Settings
Voltage (p.u. of Nominal Voltage) Clearing Time (s) Voltage (p.u. of Nominal Voltage) Clearing Time (s)
OV2 1.20 0.16 Fixed at 1.2 Fixed at 0.16
OV1 1.10 2 1.10-1.20 1.0-13.0
UV1 0.70 10 0.0-0.88 2.0-21.0
UV2 0.45 0.16 0.0-0.50 0.16-2.0
Shall Trip Category III
Shall Trip Function Default Settings Ranges of Allowable Settings
Voltage (p.u. of Nominal Voltage) Clearing Time (s) Voltage (p.u. of Nominal Voltage) Clearing Time (s)
OV2 1.20 0.16 Fixed at 1.2 Fixed at 0.16
OV1 1.10 13.0 1.10-1.20 1.0-13.0
UV1 0.88 21.0 0.0-0.88 21.0-50.0
UV2 0.50 2.0 0.0-0.50 2.0-21.0

Accuracy

Setting Accuracy
Voltage +/- 1% of nominal voltage
Frequency +/- 0.01 Hz
Time

0.032 s for <5 s
1% of set point for >5 s
Active Power +/- 5% of rated apparent power
Reactive Power +/- 5% of rated apparent power

Volt Watt Capabilities

Voltage-Active Power Parameters Default Values (p.u) Range (p.u) Description 240V (Split Phase)
V1 1.06Vn 1.05-1.09 Output power rating (W) 11500
P1 1.0 1 AC voltage range with function enabled (Vac) 247.2 - 288
V2 1.1Vn 1.1 Nominal AC voltage (Vac) 240
P2 0 0
P’2 0 0- -0.435
Response Time 10s 0.5 to 60

Frequency Watt Capabilities

Parameters Default Values Category II & III Range Description 240V (Split Phase)
dbUF(Hz), dbOF(Hz) 0.036 0.017-1 Output power rating (W) 11500
KOF, kUF 0.05 0.02-0.07
Tr(s) 5 Settling time (sec) 0.2 to 10

Watt-Var Capabilities

Active Power - Reactive Power Parameters Default Values (p.u) Range (p.u)
P3 1 0.5 - 1
P2 0.5 0.4 – 0.8
P1 0.2 0 - 0.7
P1’ 0 -0.7 - 0
P2’ -0.21 -0.8 - -0.4
P3’ -0.43 -1 - -0.5
Q3 -0.44 -1 – 1
Q2 0 -1 – 1
Q1 0 -1 – 1
Q1’ 0 -1 – 1
Q2’ 0 -1 – 1
Q3’ 0.44 -1 – 1

Volt-Var Capabilities

Voltage - Reactive power parameters Default values Range p.u Description Value (240V Split Phase)
VRef Vn 0.95-1.05 Apparent power rating (VA) 11500
V2 0.98Vn 0.93-1.04 Output power rating (W) 11500
Q2 0 0.5- -0.5 Nominal AC EPS voltage (V) 240
V3 1.02Vn 0.96-1.07 AC EPS voltage range with function enabled (Vac) 196.8-283.2
Q3 0 0.5- -0.5 Reactive Power Accuracy (% or Var) ±5%
V1 0.92Vn 0.88-1 Max rated reactive Power (capacitive, overexcited) (VAr) 11500
Q1 0.44 1- -1 Max rated reactive Power (inductive, underexcited) (VAr) -11500
V4 1.08Vn 1-1.1 Settling Time (sec) 1-90
Q4 -0.44 1 - -1

Ramp Characterization

Parameters Description Value (240V split phase)
Output current rating (Aac) 48
Minimum normal ramp-up rate (%Irated / sec) 1
Maximum normal ramp-up rate (%Irated / sec) 100
Output current range of function (%Irated) 0% to 100%
Ramp rate accuracy (%Irated / sec) 0.5%

Maximum Backfeed Current

The maximum backfeed current is 48 A.