Handling and Analysis of 220 kV Large Capacity Substation Blackout Accident
220 kV large capacity power supply substation provides power for subordinate stations,and has large power supply range,many outgoing line circuits,and very important power supply load.Usually,it is the main power supply point for a region.Once the 220 kV large capacity power supply substation blackout occurred,it will bring very serious consequences.It will cause large area blackout,and affect the stability of the power system operation and the power supply reliability seriously,and also bring very serious economic loss to the society.Through a typical 220 kV large capacity power supply substation blackout accident,this article gives a detailed description of the accident happened,causes,effects,and the whole accident processing.Then the accident is analyzed in details,so we put forward some improvement suggestions.
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