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VARIABLE RESISTANCE TYPE DROOP CONTROL APPRATUS AND THE METHOD FOR STAND-ALONE MICRO-GRID
VARIABLE RESISTANCE TYPE DROOP CONTROL APPRATUS AND THE METHOD FOR STAND-ALONE MICRO-GRID
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机译:可变电阻式降落控制装置及独立微电网的方法
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摘要
The present invention relates to a variable resistance type droop control apparatus and a method for a stand-alone micro-grid. Considering the charge condition (SOC) of an energy storage apparatus and a grid voltage, the equivalent resistance of a droop controller of the energy storage apparatus is changed, thereby reducing the load of the energy storage apparatus and effectively controlling the power balance of a micro-grid. Particularly, the energy storage apparatus operates in a normal mode and a low power mode according to a charge condition by using a droop control method and differently controls handling power according to a grid voltage in the normal mode, thereby extending the lifetime of the energy apparatus and effectively controlling grid power.
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