Non-isolation transformer flexible interconnection control system, method and device and medium
The invention discloses an isolation-transformer-free flexible interconnection control system, method and device and a medium. The isolation-transformer-free flexible interconnection control system comprises a first AC/DC converter in an alternating-current constant-power working mode, a second AC/D...
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| creator | YUN YANG HAN ZHONGXIU WEN CHUANXIN DING ZHIYU WANG HUI SHI CHUNHU SUN HOUTAO HUANG KUN |
| description | The invention discloses an isolation-transformer-free flexible interconnection control system, method and device and a medium. The isolation-transformer-free flexible interconnection control system comprises a first AC/DC converter in an alternating-current constant-power working mode, a second AC/DC converter in a direct-current constant-voltage working mode, a first controller and a second controller. The first AC/DC converter and the second AC/DC converter are arranged and connected back to back; the first controller is connected with the first AC/DC converter, and the second controller is connected with the second AC/DC converter, so that an isolation transformer does not need to be configured, and the problem of circulating current of flexible interconnection equipment caused by neutral point grounding on the low-voltage side of a distribution transformer is solved. The low-voltage transformer area flexible interconnection device solves the problems that an existing low-voltage transformer area flexible |
| format | Patent |
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The isolation-transformer-free flexible interconnection control system comprises a first AC/DC converter in an alternating-current constant-power working mode, a second AC/DC converter in a direct-current constant-voltage working mode, a first controller and a second controller. The first AC/DC converter and the second AC/DC converter are arranged and connected back to back; the first controller is connected with the first AC/DC converter, and the second controller is connected with the second AC/DC converter, so that an isolation transformer does not need to be configured, and the problem of circulating current of flexible interconnection equipment caused by neutral point grounding on the low-voltage side of a distribution transformer is solved. 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The isolation-transformer-free flexible interconnection control system comprises a first AC/DC converter in an alternating-current constant-power working mode, a second AC/DC converter in a direct-current constant-voltage working mode, a first controller and a second controller. The first AC/DC converter and the second AC/DC converter are arranged and connected back to back; the first controller is connected with the first AC/DC converter, and the second controller is connected with the second AC/DC converter, so that an isolation transformer does not need to be configured, and the problem of circulating current of flexible interconnection equipment caused by neutral point grounding on the low-voltage side of a distribution transformer is solved. The low-voltage transformer area flexible interconnection device solves the problems that an existing low-voltage transformer area flexible</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 CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Non-isolation transformer flexible interconnection control system, method and device and medium |
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