Soft switching three-level inverter

Details Soft switching three-level inverter Soft switching three-level inverter

1996-06-24

1997-11-04

Nguyen, Matthew V.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 98, H02M 75387

Patent

active

056846886

ABSTRACT:
A three-level NPC inverter topology including two auxiliary resonant commutation circuits which are controlled to clamp the voltage across each main inverter switch to zero voltage prior to altering the state of the switch in order to achieve soft switching of all main inverter switches while reducing output voltage harmonics and gradients.

REFERENCES:
patent: 4203151 (1980-05-01), Baker
patent: 4270163 (1981-05-01), Baker
patent: 4881159 (1989-11-01), Holtz et al.
patent: 5047913 (1991-09-01), De Doncker et al.
patent: 5459665 (1995-10-01), Mori et al.
patent: 5506765 (1996-04-01), Nakata et al.
patent: 5517401 (1996-05-01), Kinoshita

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