INVERTER CIRCUIT AND POWER CONVERSION DEVICE

There are provided an inverter circuit capable of suppressing a surge voltage even in a case where a switching element having large parasitic capacitance such as an SJ-MOSFET is used, and a power conversion device. An inverter circuit 10 provided in a power conversion device 1 includes a full-bridge...

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Bibliographic Details
Main Authors IWAI Satoshi, OKADA Wataru, NISHIKAWA Takeo, TAWARAGI Takayoshi
Format Patent
LanguageEnglish
French
German
Published 13.06.2018
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
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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Summary:There are provided an inverter circuit capable of suppressing a surge voltage even in a case where a switching element having large parasitic capacitance such as an SJ-MOSFET is used, and a power conversion device. An inverter circuit 10 provided in a power conversion device 1 includes a full-bridge inverter 11, and a short circuit part 12, and the short circuit part 12 includes switching elements Q5, Q6, and clamp elements D3, D4 connected to the switching elements Q5, Q6. The clamp elements D3, D4 suppress application of an excessive voltage such as a surge voltage to the switching elements Q5, Q6.
Bibliography:Application Number: EP20160817510