Inverter current-limiting protection method and system
The invention discloses an inverter current-limiting protection method and system, which are applied to an inverter circuit of an H6 bridge topology. The method comprises the steps of obtaining an inductive current instant detection value, a load current instant detection value and an inverter outpu...
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| creator | JIANG QINYI JIANG BIGUANG |
| description | The invention discloses an inverter current-limiting protection method and system, which are applied to an inverter circuit of an H6 bridge topology. The method comprises the steps of obtaining an inductive current instant detection value, a load current instant detection value and an inverter output voltage instant detection value; calculating an output capacitance current instant value and an inductive current change rate according to the inductive current instant detection value and the load current instant detection value; judging whether the inductive current instant detection value, theload current instant detection value, the inverter output voltage instant detection value, the output capacitance current instant value and the inductive current change rate meet preset conditions ornot, and if yes, outputting a current-limiting enable signal; controlling a high-frequency switch pipe in an inverter circuit to switch off according to the current-limiting enable signal. Through theinverter current-limiting |
| format | Patent |
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The method comprises the steps of obtaining an inductive current instant detection value, a load current instant detection value and an inverter output voltage instant detection value; calculating an output capacitance current instant value and an inductive current change rate according to the inductive current instant detection value and the load current instant detection value; judging whether the inductive current instant detection value, theload current instant detection value, the inverter output voltage instant detection value, the output capacitance current instant value and the inductive current change rate meet preset conditions ornot, and if yes, outputting a current-limiting enable signal; controlling a high-frequency switch pipe in an inverter circuit to switch off according to the current-limiting enable signal. 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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 | Inverter current-limiting protection method and system |
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