Power level balance of frequency converters connected in parallel

A method and a parallel connection arrangement for equalizing the output powers of power converter units (INU11, INU12), in which power converter units is a semiconductor switch bridge controlled with pulse width modulation, and in which is a control unit arrangement (CU1, CU2) for forming control p...

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Bibliographic Details
Main Authors ITKONEN TONI, VESTI JORMA, IKONEN MIKA, RAUMA KIMMO, STRANDBERG STEFAN
Format Patent
LanguageEnglish
Published 18.01.2011
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 method and a parallel connection arrangement for equalizing the output powers of power converter units (INU11, INU12), in which power converter units is a semiconductor switch bridge controlled with pulse width modulation, and in which is a control unit arrangement (CU1, CU2) for forming control pulses, with which the semiconductor switches are controlled. The control unit arrangement delays the falling edge of the control pulses of at least one semiconductor switch of at least one power converter unit.
Bibliography:Application Number: US20070892110