General Farady offers a complete range of distribution transformers designed to grant the reliability, durability, and efficiency required in utility, industrial, and commercial applications. Farady's liquid-filled transformers are manufactured in accordance with the most demanding industry and international standards.Compliance with important standards, from IEC to VDE, is a matter of course, just as much as the exclusive use of high-quality materials. Qualified employees implement the demanding standards in daily practice.
Standard −− Product Range:15kVA-10000kVA, up to 44kV −− High temperature class transformers −− System voltage: max. 36 kVA 200 BIL −− Low noise solution −− Coolers: corrugated wall or radiator −− Efficient transformers with reduced losses −− Oil preservation: hermetically sealed or −− Liquid-filled conservator/free breathing −− Tap changer: off-circuit or on-load −− Used in special conditions −− Cooling medium: mineral oil, Midel −− Sophisticated facilities −− Steel type core clamping system −− Usage of wooden case −− High voltage (HV) multilayer winding −− 3D package for drawings −− Low voltage (LV) foil winding or layer winding −− Special test like Zero Sequence Impendence test −− Winding materials aluminium or copper −− Cooling: ONAN, ONAN/ONAF, KFAF, KFW
Service condition
a) Suitable for indoor or outdoor application b)Air temperature: Maximum temperature: +40ºC; Minimum temperature:-30ºC c) Humidity: Monthly average humidity 95%; Daily average humidity 90% . d) Altitude above sea level: Maximum installation altitude: 2000m. e)Max wind speed:35M/s f) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. g) No frequent violent shake Note: * Beyond those services condition should enquiry to manufacturer technical dept during order
Test • Voltage ratio. Polarity and phase relationship test on each tapping • Resistance of all windings • No-load current and no-load losses measurement • Load losses measurement at rated current and frequency • Impedance voltage measurement • Induced over-voltage and separate source voltage withstand tests • Impulse voltage withstand test. • Noise level test • Oil leakage test • Overload test at 150% rated current for one hour after temperature rise test and hot resistance measurement of (HV - LV)
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