BM switchgear 220 kV are designed to receive and distribute electrical energy three-phase alternating current frequency of 50 Hz, rated voltage of 220 kV, as part of the substation and are used for power supply of industrial and municipal consumers, agricultural areas and large constructions, as well as on the side of 220 kV large grid substations.Main technical characteristics:- Rated voltage - 220 kV;- Rated current - 2000 A;- Thermal resistance current - 40 kA;- Electrodynamic resistance current - 100 kA;- Installation height above sea level - 1000 m;- Climatic design and placement category according to GOST 15150 - UHL1;- Lower operating temperature value -60C;- Upper operating temperature value +40C
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