HV/MV E-House 220/38.5kV for steelwork plant
Artemisa (Cuba)
Country
Year
Description
The great project has included a 220/38.5kV electrical substation, designed for a steelwork.
In detail, there have been designed and built:
- n. 8 STC-Box modular shelters, assembled together
- n. 4 medium-voltage (MV) cubicles Normal Clad for furnace 40.5kV 2000A 40kA 60Hz
- n. 96 metal-enclosed medium-voltage Normal Clad cubicles 12kV 2500A 25kA
- low-voltage (LV) switchboards SDS type 220V
In addition, gas-insulated circuit-breakers 24kV 3.150A 40kA, earthing switch, power transformers, 245kV current transformers, surge arresters, protection panels and auxiliary equipment were supplied.
Thanks to its structure, designed to meet high electrical and mechanical requirements, the 40.5kV furnace switchgear with withdrawable circuit-breakers is used for special applications and is mounted on an anti-vibrating system. Furthermore, thanks to the IP5X degree of protection, it can operate in environments subject to pollution caused by ferrous dust and corrosive gases.
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