Modular cascade power amplifier switch combination rotation multi-level modulation method

Modular cascade power amplifier switch combination rotation multi-level modulation method

The invention discloses a modular cascade power amplifier switch combination rotation multi-level modulation method which is applied to a modular cascade power amplifier, the output side of the modular cascade power amplifier is formed by cascading N DC/AC module units, each DC/AC module unit is of...

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Hauptverfasser: OUYANG HONGLIN, ZHU YINGDA, XIAO MUXUAN
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Sprache:chi ; 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 OUYANG HONGLIN
ZHU YINGDA
XIAO MUXUAN
description The invention discloses a modular cascade power amplifier switch combination rotation multi-level modulation method which is applied to a modular cascade power amplifier, the output side of the modular cascade power amplifier is formed by cascading N DC/AC module units, each DC/AC module unit is of a full-bridge inversion unit structure and is composed of a left bridge arm branch and a right bridge arm branch, and the left bridge arm branch and the right bridge arm branch are connected in series. According to the method, multi-level modulation is divided into platform voltage modulation and pulse voltage modulation through a switch combination, on and off of each bridge arm are controlled under the constraint of a switch combination sequence, and switching frequency equalization of power devices between the bridge arms and power equalization between unit modules are realized. Meanwhile, modulation of the modular cascade power amplifiers with different level numbers can be realized by adopting a unified formul
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According to the method, multi-level modulation is divided into platform voltage modulation and pulse voltage modulation through a switch combination, on and off of each bridge arm are controlled under the constraint of a switch combination sequence, and switching frequency equalization of power devices between the bridge arms and power equalization between unit modules are realized. 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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 Modular cascade power amplifier switch combination rotation multi-level modulation method
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