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Power Transformer 

 

 

Mrunal Transformer is a leading manufacturer of high-quality power transformers based in Gujarat, India. Renowned for our innovation, precision engineering, and uncompromising commitment to quality, we have established ourselves as a trusted name in the electrical and power sector.

Our advanced manufacturing facilities, experienced engineering team, and stringent quality control processes ensure that every transformer we produce meets the highest industry standards. From design to delivery, Mrunal Transformer exemplifies excellence at every stage of production.

As a key contributor to Gujarat’s growing power infrastructure, we are proud to play a vital role in powering industries, communities, and critical infrastructure across India. Our power transformers form the backbone of modern electrical networks, enabling efficient and reliable energy transmission that drives progress and sustainability.

At Mrunal Transformer, we are committed to shaping a brighter, more energy-efficient future—one transformer at a time.

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🔧 Why Choose MRUNAL TRANSFORMERS Power Transformers?

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  • High Efficiency: Our transformers offer efficiency levels greater than 98%, ensuring minimal energy loss.

  • Durable & Low Maintenance: As static machines with no moving parts, they require minimal upkeep.

  • Voltage Stabilization: Effectively regulate and stabilize voltage to protect sensitive equipment.

  • Quick Startup: No warm-up or starting time needed—ready to operate instantly.

  • Cost-Effective Solutions: We use premium-grade electrical components and offer competitive pricing.

  • Trusted Globally: Our transformers are exported worldwide and trusted by a large customer base across multiple industries.

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  • Ratings: 2500kVA to 10000kVA.

  • Primary Voltage: 66000/33000/22000/11000.

  • Secondary Voltage: 33/22/11/6.6/3.3

  • 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.

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✅ Standard Accessories And Features​

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  • 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.

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✅ Optional Accessories And Features

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  • 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.

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✅ Standard Power Transformer Tests

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  • Winding Resistance Measurements.

  • Ratio and Polarity Measurements.

  • Exciting Current and No Load Losses

  • 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.

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✅ Optional Power Transformer Tests

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  • 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.

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Valuable Information About Power Transformers


Power transformers are essential components in modern electrical systems, playing a crucial role in the efficient transmission and distribution of electricity across large-scale power networks. These devices are designed to step up or step down voltage levels, enabling the safe and reliable transfer of power from generation plants to substations, and ultimately to homes, businesses, and industries.

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By adjusting voltage levels based on the application, power transformers help minimize energy losses and ensure maximum transmission efficiency. Available in various sizes and configurations, they are suitable for a wide range of uses—from residential and commercial buildings to heavy-duty industrial operations and utility-scale power grids.

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Built with robust construction and advanced insulation materials, power transformers are engineered to withstand harsh environmental conditions while delivering consistent, long-term performance. Their design incorporates the latest technologies to reduce voltage fluctuations, enhance grid stability, and support the overall integrity of the electrical infrastructure.

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More than just transmission tools, power transformers play a key role in advancing energy efficiency, promoting grid resilience, and contributing to a more sustainable and reliable energy future. They reflect the highest standards of engineering excellence, making them an indispensable part of modern power systems.

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At Mrunal Transformer, our power transformers adhere to international and national standards, including:

  • IS 2026

  • IEC Standards

  • IEEE Standards

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🔗 Get in Touch with Trusted Transformer Manufacturers


At MRUNAL TRANSFORMERS, we are committed to delivering top-quality distribution transformers backed by expert technical support and prompt service. As one of the most reputed Distribution Transformer Suppliers in India, we ensure every product adheres to BIS and IEC standards.

 


📞 Contact us today to get a quote or to learn more about how our transformers can benefit your project

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