Island fault ride-through control method and system for receiving end converter station of flexible direct current grid-connected system
The invention discloses a flexible direct current grid-connected system receiving end converter station island fault ride-through control method and system, and the method comprises the steps: carrying out the island detection according to the network side information of a flexible direct current re...
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| creator | CHEN HONGLIN GONG DAQIAN YU HAO ZHANG ZHEMENG ZHANG ZHIQIANG REN WANXIN ZUO ZHENGMIN PENG SUI LIN YONG |
| description | The invention discloses a flexible direct current grid-connected system receiving end converter station island fault ride-through control method and system, and the method comprises the steps: carrying out the island detection according to the network side information of a flexible direct current receiving end converter station, and judging whether the flexible direct current receiving end converter station enters an island state or not according to a detection result; when it is judged that the flexible direct current receiving end converter station enters the island state, corresponding fault control strategies are selected according to different fault types; determining fault duration, and adopting different fault ride-through strategies according to different fault duration; judging whether the fault is cleared or not, detecting a network side signal of the action circuit breaker after the fault is cleared, and overlapping and networking when the network side signal of the action circuit breaker meets a r |
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when it is judged that the flexible direct current receiving end converter station enters the island state, corresponding fault control strategies are selected according to different fault types; determining fault duration, and adopting different fault ride-through strategies according to different fault duration; judging whether the fault is cleared or not, detecting a network side signal of the action circuit breaker after the fault is cleared, and overlapping and networking when the network side signal of the action circuit breaker meets a r</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY |
| title | Island fault ride-through control method and system for receiving end converter station of flexible direct current grid-connected system |
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