POWER CONVERSION DEVICE

A power conversion device is provided in which destruction of a switching element can be avoided by preventing an excessive current from flowing into the switching element of a main circuit when, for example, a power supply for the power conversion device is interrupted. The power conversion device...

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Bibliographic Details
Main Authors IMANAKA AKIRA, HARAKAWA MASAYA
Format Patent
LanguageEnglish
Published 09.01.2014
Subjects
APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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Summary:A power conversion device is provided in which destruction of a switching element can be avoided by preventing an excessive current from flowing into the switching element of a main circuit when, for example, a power supply for the power conversion device is interrupted. The power conversion device including a first switch unit in which a plurality of switching elements are series-connected is characterized by including, in the plurality of switching elements, at least one or more switching elements whose gate voltage thresholds are no more than a predetermined value and at least one or more switching elements whose gate voltage thresholds are more than the predetermined value.
Bibliography:Application Number: US201114000255