Prevent through and through blind spot of IGBT bridge arm modulate circuit

The utility model provides a prevent through and through blind spot of IGBT bridge arm modulate circuit, including the PWM signal complementary circuit that connects gradually, RC delay circuit and signal conditioning output circuit, the input of PWM signal complementary circuit is the input of the...

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Hauptverfasser: Zong Bangkui, Liu Ji
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Liu Ji
description The utility model provides a prevent through and through blind spot of IGBT bridge arm modulate circuit, including the PWM signal complementary circuit that connects gradually, RC delay circuit and signal conditioning output circuit, the input of PWM signal complementary circuit is the input of the required PWM signal of the same kind of system, PWM signal complementary circuit includes two comparator circuits, RC delay circuit includes bridge arm RC delay circuit and lower bridge arm RC delay circuit, PWM signal conditioning output circuit includes the last bridge arm and lower bridge arm PWM signal conditioning output circuit that comprises the comparator, the waveform output end of going up bridge arm PWM signal conditioning output circuit is OUT1, be connected to bridge arm VT1's driver, bridge arm PWM signal conditioning output circuit's waveform output end is OUT2 down, be connected to down bridge arm VT3's driver, the above technical scheme is adopted in the utility model, prevent the direct damage tha
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language chi ; eng
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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 Prevent through and through blind spot of IGBT bridge arm modulate circuit
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