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250 KVA OLTC DISTRIBUTION TRANSFORMER
Capacity in kVA250 KVA
Winding materialElectrolytic Copper
Efficiency LevelLevel 2
Losses at 50% Load920 W
Losses at 100% Load2700 W
No. of Phases3 Phase
HV Voltage11,000 V
LV Voltage415 V
CoolingONAN (Oil Natural Air Natural)
Reference StandardsIS:1180 Part 1 (2014)
Frequency50 Hz
Vector GroupDYn 11
Method of Connection : HV/LVDelta/ Star
TappingOn Load Type (OLTC)
Tap Changer Range+10% to -10%
Steps/Positions/ Step Range16 Steps/ 17 Positions/ 1.25%
Make of ConductorHindalco Birla make
Type of HV ConductorDPC Insulated Round Wire
Type of LV ConductorDPC Insulated Rectangular Strip
CoolingONAN
Max. Ambient temperature50º C
Temperature Rise Oil40º C
Temperature Rise Winding45º C
Brand of Kraft Paper usedITC
Transformer Oil SpecificationAs per IS: 335-1983
Transformer Oil MakeSavita / Apar /divyol/gandhar (Directly Imported)
Core TypeCRGO (0.23/0.27 mm) Laser Grade
Make of Core CRGOPOSCO/ Thyssen / NLMK 
Impedance4.50% subject to tolerance as per ISS
Stationing TypeIndoor/Outdoor
Class of InsulationClass A
Power Frequency/ Lighting Impulse28 kV/ 95 kV
Paint Outdoor/ IndoorPU Paint/ HOR Paint

250 KVA OLTC DISTRIBUTION TRANSFORMER

SKU: 364115376135191
₹800,000.00 Regular Price
₹760,000.00Sale Price
Quantity

  • 250KVA OLTC 17 POTION 11/0.433KV DISTRIBUTION TRANSFORMER

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