MATRIX CONVERTER SYSTEM

PROBLEM TO BE SOLVED: To provide a matrix converter system arranged to suppress an overvoltage being applied to a switch element, to reduce the size of a snubber circuit, or to delete the snubber circuit. SOLUTION: With regard to the mounting method of an LC filter, the distance between a capacitor...

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Bibliographic Details
Main Authors INABA HIROMI, ONUMA NAOTO, FUJINO ATSUYA, YAMATO IKUO, AYANO HIDEKI
Format Patent
LanguageEnglish
Published 10.03.2005
Edition7
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:PROBLEM TO BE SOLVED: To provide a matrix converter system arranged to suppress an overvoltage being applied to a switch element, to reduce the size of a snubber circuit, or to delete the snubber circuit. SOLUTION: With regard to the mounting method of an LC filter, the distance between a capacitor and a switch element in the LC filter is set shorter than the distance between a reactor and the capacitor in the LC filter. In a large capacity system having such a module as the switch elements are separated for each output phase, capacitors of the LC filters are separated for each module and arranged closely or a small number of capacitors are arranged closely to the switch element. When the wiring inductance is decreased between the capacitor of the LC filter and the switch element, the filter substitutes for the snubber circuit. COPYRIGHT: (C)2005,JPO&NCIPI
Bibliography:Application Number: JP20030207239