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Unitised Substations (USS)
Unitised Substations (USS)
Telawne Power Equipments Pvt Ltd manufactures Unitised Substations (USS). These are designed for locations where space and safety is a concern and population density is high, such as urban centres. Unitised substation is divided in three section or compartments – Medium Voltage, Transformer and Low Voltage Switchboard. Unitised substations are designed in accordance with IS 14786/IEC 61330 standards with degree of protection for IP23 for transformer and IP 54 for MV & LV compartments or as per customer requirements.
MV compartment; MV switchgear 3.3 to 33 kV type of switchgear LBS/SFU/breaker/RMU/VCB insulation medium SF6 gas or vacuum tripping fuse/relay short circuit rating up to 20 kA or as per customer requirement; transformer compartment – type of cooling – oil immersed/dry type rating 100 to 2000 kVA voltage 3.3 to 33/0.433 kV or any specific phase/frequency 3-phase/50 or 60 Hz, vector group Dyn1 or Dyn5 or Dyn11 or any specific; LV compartment – LV switchgear ACBs, MCCBs, MCBs, HRC fuse; current rating up to 4000 A; voltage – 433 volts; number of poles 3 or 4; and short circuit rating 50 kA or as per customers’ requirements.
Completely factory built; superior aesthetics; convenience in portability; ready to install and commission; compact in size; minimal maintenance; and suitable for roof top and basement installation.
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