ANPC three-level inverter driving fault self-recovery method and system

The invention discloses an ANPC three-level inverter driving fault self-recovery method and system. The method comprises the steps that all driving modes of six switching tubes in a single-phase bridge arm of an ANPC three-level inverter are acquired; according to the correct driving logic of the si...

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Hauptverfasser: ZHAO SHUAISHUAI, JIANG CHEN, LIU JIA, GUAN XUEZHONG, CHEN KAILONG, CHENG YIDE, WEN FUGUANG
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creator ZHAO SHUAISHUAI
JIANG CHEN
LIU JIA
GUAN XUEZHONG
CHEN KAILONG
CHENG YIDE
WEN FUGUANG
description The invention discloses an ANPC three-level inverter driving fault self-recovery method and system. The method comprises the steps that all driving modes of six switching tubes in a single-phase bridge arm of an ANPC three-level inverter are acquired; according to the correct driving logic of the six switching tubes and the current direction of the single-phase bridge arm, finding out a correct driving mode and a correct driving sequential logic; and performing mode identification on the currently received driving signal, if the driving signal is correct, performing normal output, and if the driving signal is not correct, performing fault self-recovery by combining the current direction signal of the current bridge arm. According to the method, the wrong driving signal of the ANPC type three-level inverter can be accurately identified, fault self-recovery is carried out, inverter damage caused by the wrong driving signal is effectively avoided, and the reliability of equipment operation is improved. 本发明公开了一种A
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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
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
title ANPC three-level inverter driving fault self-recovery method and system
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