Các anh giúp giùm em tài liệu này với nha:
Under frequency relay setting for tie line and load shedding of anindustrial power system with multiple cogeneration units
http://ieeexplore.ieee.org/Xplore/lo...362.pdf?temp=x
Modification of under-frequency relay settings for the upgrading of a cogeneration plant
http://ieeexplore.ieee.org/Xplore/lo...486.pdf?temp=x
Under frequency relay setting for tie line and load shedding of anindustrial power system with multiple cogeneration units
http://ieeexplore.ieee.org/xpl/freea...rnumber=779362
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