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+91 95 12 55 82 82 info@rppltransformers.com Rajkot, Gujarat
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Rajkot, Gujarat
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Mon - Sat : 9AM - 7PM
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info@rppltransformers.com
Phone Number
+91 95 12 55 82 82
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Furnace Transformer

Furnace Transformer

Rajkot Powertrans Private Limited (RPPL) is one of the best in furnace transformer manufacturing, offering unparalleled expertise and cutting-edge solutions to industries across Gujarat, India. With a steadfast commitment to innovation, reliability, and customer satisfaction, RPPL has emerged as a trusted name synonymous with excellence in transformer technology. Through a blend of advanced engineering, meticulous craftsmanship, and a customer-centric approach, RPPL has continually elevated industry standards, cementing its position as a leader in the field. As Gujarat’s premier furnace transformers manufacturer, RPPL remains dedicated to empowering businesses with transformative solutions that drive efficiency, sustainability, and operational excellence.

  • Ratings: 250kVA to 2500kVA.
  • Primary Voltage: 33000/22000/11000.
  • Secondary Voltage: 0.380 to 1.000
  • Tap Range: Off Circuit or On-Load tap changers for HV/LV variation as per customers specification.
  • Built to customer specifications in accordance with IS 2026 Energy Efficiency Standards.

Standard Accessories And Features

  • DPC copper.
  • CRGO core./ Amorphous Core.
  • Pressure relief device.
  • HV & LV Bushings.
  • Grounding Bracket.
  • Conservator Tank.
  • Insulation material.
  • Power oil.
  • OTI/WTI indicator.
  • Buchholz relay.
  • A non resettable device that detects internal transformer faults, incorporates pressure relief, and provides an external indication visible from the ground.

Standard Furnace Transformer Test

  • Winding Resistance Measurements.
  • Ratio and Polarity Measurements.
  • Exciting Current and No Load Losses Measurement.
  • Impedance and Load Losses Measurements.
  • AC Dielectric Test.
  • Induced Voltage Test.
  • Core Ground Test.
  • Oil BDV Test.
  • Magnetic Balance Test.
  • Insulation Resistance Test.
  • Vector Group Test.
  • Capacitance and Tan-Delta Test.

Optional Accessories And Features

Transformers may be provided with the following optional items if specified by the purchaser.

  • Surge arrester mounting provision.
  • Clamp type low voltage terminals.
  • Stud type or spade type low voltage bushings.
  • High voltage of circuit taps.
  • Cable Box.
  • Additional tests may be requested by the purchaser and shall be performed.
  • Purchaser specified impedance limits.
  • Alternative protection devices, specified by the purchaser.
  • Purchaser specified maximum mass.

Optional Furnace Transformer Tests

  • Temperature Rise.
  • Sound Level.
  • Radio Influence Voltage.
  • Partial Discharges (Corona).
  • Basic Insulation Impulse Level.
  • SFRA Test.
  • Short circuit Test.
  • Knee Point Voltage of bushing CT.
  • Polarity and ratio test of bushing CT.

Some Valuable Information on Furnace Transformers

Furnace transformers are specialized transformers designed to supply high currents to electric arc furnaces, which are essential equipment in the steelmaking and metallurgical industries. These transformers play a pivotal role in converting high-voltage electricity from the grid into the high-current, low-voltage power required for electric arc furnaces to melt metals. Furnace transformers are engineered to withstand extreme operating conditions, including high temperatures and heavy loads while ensuring stable power delivery for the uninterrupted operation of industrial processes. With their robust construction and precise engineering, furnace transformers facilitate efficient and reliable metal melting operations, contributing to the productivity and competitiveness of manufacturing industries.

 

Furnace transformers, also known as smelting transformers, have some unique characteristics that differentiate them from other types of transformers:

 

Furnace transformers are specifically designed to supply power to furnaces. They lower the high voltage capacity from the power grid to a lower voltage output required for arc furnace operations. Furnace transformers are designed to handle high power and heat, which is a common characteristic of furnace operations. Furnace transformers, especially those used in induction melting furnaces, are designed to convert electrical energy into a high-frequency magnetic field. This allows for rapid and uniform heating of the metal, which is critical in metallurgical processes.