Grounding detection circuit and method and three-phase alternating current charging pile
The invention discloses a grounding detection circuit and method and a three-phase alternating current charging pile, and the circuit comprises a three-phase alternating current input end which provides a high-voltage alternating current for the three-phase alternating current charging pile accordin...
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| creator | JIN LIYANG CHEN QIANG XIE FENGFENG KOU QIULIN YANG GUOXUN |
| description | The invention discloses a grounding detection circuit and method and a three-phase alternating current charging pile, and the circuit comprises a three-phase alternating current input end which provides a high-voltage alternating current for the three-phase alternating current charging pile according to an external alternating current; the input end of the rectifying unit is connected with the three-phase alternating current input end, and the rectifying unit is used for rectifying the high-voltage alternating current into direct current and outputting the direct current; the input end of the detection circuit is connected with the output end of the rectifying unit, and the detection circuit judges the grounding condition of the three-phase alternating current charging pile according to the output direct current and outputs a detection signal through the output end. Real-time grounding detection is carried out on the three-phase alternating current charging pile through the detection circuit, meanwhile, the t |
| format | Patent |
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| language | chi ; eng |
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| subjects | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL |
| title | Grounding detection circuit and method and three-phase alternating current charging pile |
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