Product Profile of H.T. Transformer For Indoor/ Outdoor Installation

Industrial Electrical Corporation supplies H.T. Transformer for Indoor/ Outdoor Installation. Industrial Electrical Corporation is an ISO 9001:2000 registered company.

H.T. Transformer for Indoor/ Outdoor Installation are usually oil immersed, natural cooled or dry type resin cast and suitable for indoor or outdoor installation. The transformers can be supplied either with Bare Bushings or Cable Boxed as per customer`s requirement.

Technical details of H.T. Transformer for Indoor/ Outdoor Installation are:

• Rating: Upto 1500 KVA - 3 Phase, 4- wire

• Input: 11 / 22 / 33 / 66 KV

• Output: 415 / 433 V. A.C. -/+ 5 %

• Frequency: 47 - 53 Hz

• Winding: Copper wound / Aluminium wound

• Vector diagram: DY 1 / DY 11 / DY 5 / YY 0

• Tapping:

• Primary : 11550 / 11275 / 11000 / 10725 / 10450 V

• Secondary : +/- 2.5 % or 5 %

• Insulation: oil Cool : A or B Class

• Air cool: E/F Class or H class

• Temp. Rise: 45 / 50 Degree cel.

• Impedance: 4.5 % / 5 % / 6 % / 7 % / 10 % max.

• Type of Cooling: Oil cooled / Dry type Resincast

• Duty Cycle: Continuous

• Wave form distortion: Nil

• No Load: 1 % of rated VA

• Load losses at full load: 2 % of rated VA

• Efficiency At Full load: 98.3 %

• At 80 % load: 99 %

• At 50 % load: 99.2 %

• Mounting: Free on wheel.

• Enclosure: Oil cooled Tank type; Air cooled Fabrication box with angle structure with ventilation.