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NOTE: If the transformer neutral is not
connected to ground, additional ground
fault detection must be added external to
the inverter per NEC 250.21
NOTE: If the transformer neutral is not
connected to ground, additional ground
fault detection must be added external
to the inverter per NEC 250.21
In a Delta connected system, the
inverter does not detect AC Side
Ground Faults. Only DC Side Ground
Fault protection is provided by the
inverter. Additional AC ground fault
detection must be added external to the
inverter per NEC 250.21.
Figure 3-27 AC Acceptable Transformer Winding Configurations
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