500 KVA Transformer Price in India – Detailed Cost and Features

Summary

A 500 KVA transformer is a vital component in industrial and commercial power systems. It ensures a steady and safe voltage supply to heavy machinery, equipment, and facilities. In India, where industries operate across varying voltage conditions, the 500 KVA transformer has become one of the most demanded ratings for medium to large-scale applications. Understanding its pricing, construction, and factors influencing cost can help buyers make informed decisions when selecting the right model.

Overview of the 500 KVA Transformer

A 500 KVA transformer is typically used to step down high-voltage electricity from 11 kV or 33 kV to a lower distribution voltage of 415 V or 433 V suitable for industrial and commercial use. It is available in oil-cooled or dry-type variants and is built with copper or aluminium windings, depending on the load requirement and budget.

These transformers are engineered for high efficiency, minimal power losses, and long service life. Their design ensures consistent performance, even under varying load conditions, making them ideal for factories, hospitals, office complexes, and infrastructure projects.

500 KVA Transformer Price in India

The price of a 500 KVA transformer in India generally ranges between ₹4 lakh and ₹10 lakh, depending on the specifications, material quality, and manufacturer. Basic models such as oil-cooled, aluminium-wound transformers fall within the lower price band, while premium copper-wound or high-efficiency transformers can cost significantly more.

For instance:

  • Standard 11 kV/433 V oil-cooled transformers: ₹4 lakh – ₹6 lakh
  • Energy-efficient or copper-wound models: ₹7 lakh – ₹9 lakh
  • 22 kV/433 V or 33 kV/433 V transformers with higher insulation class: ₹9 lakh – ₹10.5 lakh

Additional accessories like on-load tap changers, temperature indicators, Buchholz relays, and high-efficiency cores can increase the final price.

Factors Affecting Transformer Cost

Several factors determine the final cost of a 500 KVA transformer:

1. Core and Winding Material:
Transformers with CRGO steel cores and copper windings are more efficient but costlier than aluminium-wound versions.

2. Voltage Class:
Higher primary voltage ratings such as 22 kV or 33 kV require better insulation and protection, leading to higher prices.

3. Cooling Type:
Oil-cooled transformers (ONAN/ONAF) cost less initially but require maintenance, while dry-type transformers offer better safety and low maintenance, often at a higher price.

4. Efficiency Level:
Units designed as per IS 1180 or BEE star-rated standards are priced higher but offer long-term energy savings.

5. Manufacturer Reputation:
Trusted manufacturers in India like Shakti Servo, Servokon, and others offer tested and certified transformers that ensure reliability and after-sales support, influencing the overall value.

Frequently Asked Questions (FAQ)

Q1: What is the price range of a 500 KVA transformer in India?
Ans. The average cost ranges from ₹4 lakh to ₹10 lakh, depending on the type, voltage ratio, and material.

Q2: Which is better—copper or aluminium winding?
Ans. Copper windings offer better conductivity and efficiency, but aluminium-wound transformers are more affordable.

Q3: What voltage ratings are common for 500 KVA transformers?
Ans. Standard configurations include 11 kV/433 V, 22 kV/433 V, and 33 kV/433 V.

Q4: Are 500 KVA transformers energy efficient?
Ans. Yes, most modern models are BEE-rated and designed to minimize losses for efficient power usage.

Q5: Can I get a customized transformer for my application?
Ans. Yes, manufacturers offer customization in voltage ratio, winding type, and enclosure design based on user requirements.

Conclusion

A 500 KVA transformer is a reliable power distribution solution for medium and large-scale facilities across India. While prices vary based on design, materials, and brand, investing in a high-quality transformer ensures long-term performance, safety, and energy efficiency. Buyers should always consider both the initial cost and lifetime operating value when selecting a transformer for their application.

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