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A COORDINATED CONTROL METHOD FOR POWER DISTRIBUTION SYSTEM WITH DC BUS ELECTRIFICATION SCHEME AND APPARATUS THEREOF
A COORDINATED CONTROL METHOD FOR POWER DISTRIBUTION SYSTEM WITH DC BUS ELECTRIFICATION SCHEME AND APPARATUS THEREOF
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机译:具有直流母线电气化方案的配电系统的协调控制方法及其装置
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摘要
The present invention discloses a coordinated control method for power distribution system with DC bus electrification scheme and apparatus thereof. The method comprises: detecting what kind of disturbances occurs, and at least one of following steps: restoring the voltages of the failed DC buses if power loss is detected on the DC buses due to temporary or permanent failures of upstream power supplies; controlling the voltage of the abnormal DC buses if overvoltage or under-voltage is detected on the DC buses due to internal or external disturbances; and supporting the voltages of the abnormal AC buses if overvoltage or under-voltage is detected on the AC buses due to internal or external disturbances. The methods and apparatus can further improve the fault-ride-through capability for power plant under external or internal disturbances, and facilitate smooth automatic switching process between two DC buses etc.
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