QUASIRESONANT FLYBACK CONVERTER

QUASIRESONANT FLYBACK CONVERTER

A flyback converter having a transformer that includes a primary coil connected to the input terminal and a secondary coil, a semiconductor switch configured to switch current flow through the primary coil, a first measurement unit configured to measure the DC input voltage, and a second measurement...

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1. Verfasser: KRÄMER, Manfred
Format: Patent
Sprache:eng
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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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creator KRÄMER, Manfred
description A flyback converter having a transformer that includes a primary coil connected to the input terminal and a secondary coil, a semiconductor switch configured to switch current flow through the primary coil, a first measurement unit configured to measure the DC input voltage, and a second measurement unit configured to measure a voltage across the semiconductor switch. The flyback converter also includes a control unit having a synchronization terminal and configured to output a switching signal to the semiconductor switch with a constant frequency in accordance with a synchronization signal input to the synchronization terminal. In addition, the flyback converter includes a frequency adjustment unit configured to transmit a synchronization signal to the synchronization terminal based on the DC input voltage and the voltage measured by the second measurement unit such that the frequency of the switching signal output from the control unit becomes variable.
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The flyback converter also includes a control unit having a synchronization terminal and configured to output a switching signal to the semiconductor switch with a constant frequency in accordance with a synchronization signal input to the synchronization terminal. 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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
title QUASIRESONANT FLYBACK CONVERTER
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