Double-full-bridge feedback type voltage compensation system
The invention aims to solve the problem of fluxgate excitation voltage attenuation caused by device loss. The invention provides a double-full-bridge feedback type voltage compensation system comprising a real-time feedback calculation part and a double-full-bridge circuit part, the feedback real-ti...
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| creator | GAO JUNXIA ZHANG YIMING ZHANG DONG YUAN DAKANG ZHANG CHENHAO |
| description | The invention aims to solve the problem of fluxgate excitation voltage attenuation caused by device loss. The invention provides a double-full-bridge feedback type voltage compensation system comprising a real-time feedback calculation part and a double-full-bridge circuit part, the feedback real-time calculation part takes collected exciting coil voltage as a feedback value, a main control chip calculates a difference value between the exciting coil voltage and system set voltage as an error, and the conduction time of each field-effect tube in the next period is calculated through a PI algorithm; and the double-full-bridge circuit receives a field-effect tube conduction time control quantity calculated by feedback, the field-effect tube is conducted and turned off at different stages tocontrol voltage at two ends of an excitation coil, and the excitation voltage is compensated to a system set voltage. The system has the characteristics of fast response, accurate compensation, high reliability and no accumul |
| format | Patent |
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The invention provides a double-full-bridge feedback type voltage compensation system comprising a real-time feedback calculation part and a double-full-bridge circuit part, the feedback real-time calculation part takes collected exciting coil voltage as a feedback value, a main control chip calculates a difference value between the exciting coil voltage and system set voltage as an error, and the conduction time of each field-effect tube in the next period is calculated through a PI algorithm; and the double-full-bridge circuit receives a field-effect tube conduction time control quantity calculated by feedback, the field-effect tube is conducted and turned off at different stages tocontrol voltage at two ends of an excitation coil, and the excitation voltage is compensated to a system set voltage. 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The invention provides a double-full-bridge feedback type voltage compensation system comprising a real-time feedback calculation part and a double-full-bridge circuit part, the feedback real-time calculation part takes collected exciting coil voltage as a feedback value, a main control chip calculates a difference value between the exciting coil voltage and system set voltage as an error, and the conduction time of each field-effect tube in the next period is calculated through a PI algorithm; and the double-full-bridge circuit receives a field-effect tube conduction time control quantity calculated by feedback, the field-effect tube is conducted and turned off at different stages tocontrol voltage at two ends of an excitation coil, and the excitation voltage is compensated to a system set voltage. 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The invention provides a double-full-bridge feedback type voltage compensation system comprising a real-time feedback calculation part and a double-full-bridge circuit part, the feedback real-time calculation part takes collected exciting coil voltage as a feedback value, a main control chip calculates a difference value between the exciting coil voltage and system set voltage as an error, and the conduction time of each field-effect tube in the next period is calculated through a PI algorithm; and the double-full-bridge circuit receives a field-effect tube conduction time control quantity calculated by feedback, the field-effect tube is conducted and turned off at different stages tocontrol voltage at two ends of an excitation coil, and the excitation voltage is compensated to a system set voltage. The system has the characteristics of fast response, accurate compensation, high reliability and no accumul</abstract><oa>free_for_read</oa></addata></record> |
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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 | Double-full-bridge feedback type voltage compensation system |
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