IF08CZ10 April, 2019 - 41 -
CIRCUIT OPERATION (cont’d)
The AC output voltage of the each inverter power module, for the 4160V drive, is 2400V line to
neutral. With phase voltages shifted 120° from one other, an output voltage of 4160V between phases is
generated. The output voltage closely approximates a sine wave. This is shown in the output waveform
below. This produces a sine wave motor current with low distortion.
Generation of High Voltage by Wye Connection
Output Voltage and Current Waveforms
Motor
2400V
4160V
1 phase inverter
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