Three phase inverter power supply with balancing transformer

Details Three phase inverter power supply with balancing transformer Three phase inverter power supply with balancing transformer

1988-11-16

1989-07-11

Salce, Patrick R.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363137, H02M 75387

Patent

active

048477451

ABSTRACT:
A three phase inverter (40) is disclosed for use with loads (100) which are unbalanced. A transformer (80) having primary windings (82), (84) and (86) which are respectively connected to phase outputs (52, 54 and 56) has a secondary having individual windings (88, 90 and 92) connected in a delta configuration which minimizes the flow of unbalanced current in the unbalanced load. A second embodiment utilizes a transformer in an interconnected configuration. A neutral connecting the conductive switches to the load is unnecessary with the invention.

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