High-voltage energy storage system and device at power grid side
The utility model discloses a high-voltage energy storage system at a power grid side. The high-voltage energy storage system comprises an access unit, a reactance unit, a current conversion unit and a battery unit, the access unit comprises an isolating switch and a starting loop, the isolating swi...
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| creator | YU QINLU YANG SHUNLU LI RUITONG |
| description | The utility model discloses a high-voltage energy storage system at a power grid side. The high-voltage energy storage system comprises an access unit, a reactance unit, a current conversion unit and a battery unit, the access unit comprises an isolating switch and a starting loop, the isolating switch is used for isolating a power grid from the starting loop, and the starting loop is used for pre-charging and accessing high-voltage electricity of the power grid to the reactance unit; the reactance unit is connected with the starting loop and the current conversion unit, the current conversion unit comprises a first bridge arm structure and a second bridge arm structure, and the first bridge arm structure and the second bridge arm structure are symmetrically arranged; the battery unit is connected with the current conversion unit and comprises a plurality of battery monomers which are connected in series. Internal circulation is effectively avoided through series connection of the battery monomers, the capaci |
| format | Patent |
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The high-voltage energy storage system comprises an access unit, a reactance unit, a current conversion unit and a battery unit, the access unit comprises an isolating switch and a starting loop, the isolating switch is used for isolating a power grid from the starting loop, and the starting loop is used for pre-charging and accessing high-voltage electricity of the power grid to the reactance unit; the reactance unit is connected with the starting loop and the current conversion unit, the current conversion unit comprises a first bridge arm structure and a second bridge arm structure, and the first bridge arm structure and the second bridge arm structure are symmetrically arranged; the battery unit is connected with the current conversion unit and comprises a plurality of battery monomers which are connected in series. 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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 | High-voltage energy storage system and device at power grid side |
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