Inverter circuit with switching deadtime synchronized sample...

Details Inverter circuit with switching deadtime synchronized sample... Inverter circuit with switching deadtime synchronized sample...

2007-01-11

2009-12-01

Sterrett, Jeffrey L (Department: 2838)

Electric power conversion systems

Current conversion

Including automatic or integral protection means

C363S098000

Reexamination Certificate

active

07626838

ABSTRACT:
In an inverter circuit including switching devices and diodes connected in parallel with the switching devices which are provided in pairs of upper and lower arms, and also including resistances for detecting phase currents in a motor connected to the lower arms, during dead time periods when both a switching device in an upper arm and a switching device in a lower arm are off, a voltage across a phase-current detection resistance induced by a phase current flowing through a diode is sampled.

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patent: 6798161 (2004-09-01), Suzuki
patent: 7483279 (2009-01-01), Lee
patent: 2007/0165431 (2007-07-01), Gunji
patent: 11-183531 (1999-07-01), None
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patent: 2003-164159 (2003-06-01), None
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patent: 2003-324928 (2003-11-01), None
patent: 2005-1574 (2005-01-01), None

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