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Datang 110KV substation

Hits:477Timer:2019-09-03

(1) a type of substation. It refers to the transmission of ultra-high voltage stations, nuclear power stations and large energy bases (3 million kw and above) and the communication of 750/500/330kv substations across large regions (north China, central China, east China, northeast and northwest China).




(2) type ii substation. It refers to other substations other than the first type of substations, 750/500/330kv substations, substations sent out by the power plant (1 million kW and above, 3 million kW and below) and inter-provincial contact 220kV substations, substations where the main transformer or busbar is out of service and the switch stops operation, resulting in power network events of level 4 or above.




(3) three substations. It refers to the 220kV substation other than the second type, the substation sent outside the power plant (300,000kw and above, 1,000,000 kW and below), the substation where the shutdown of the main transformer or bus and the switch's refusal to operate cause the five-level power grid event, and the substation which provides direct power to the important users of the first level and above.




(4) four substations. Refers to substations of 35kV and above except the substations of category 1, 2 and 3.




Note: all 220kV substations in the working area are class iii substations, and all substations under 110kV are class iv substations.


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