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VPI Dry Transformer

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MOQ : 1 Unit

VPI Dry Transformer Specification

Cooling Type
AN / ANAF (Air Natural / Air Natural Air Forced)

Voltage Booster Type
Other

Standard
IS 11171 / IEC 60076

Load Loss
As per IS 1180

Coil Material
Copper or Aluminum

Product Type
VPI (Vacuum Pressure Impregnated) Dry Transformer

Material
Copper

Output
Product wise

Frequency (MHz)
50 Hertz (HZ)

Efficiency
99.9%

Phase
Three Phase

Usage
Industrial and commercial power distribution

Coil Structure
Layer wound coil

Coil Number
Multi-coil

Power Scope
Up to 2500 kVA

Tap Changer
Off-circuit tap links / On-load tap changer on request

Surge Withstand Capability
Conforms to IS 2026/IS 11171

Installation Type
Fixed

Protection Level
IP23 / higher on request

Winding Connection
Dyn11, Yyn0, or as specified

Ambient Temperature Range
-10C to +50C

Dielectric Strength
As per IS/IEC norms

Paint Finish
Epoxy powder coating

Noise Level
< 60 dB at 1 meter

Impedance
4% to 7% (typical, varies with configuration)

Environment Suitability
Indoor/Outdoor installation

Insulation Class
Class F / Class H

Mounting Type
Floor mounting with lifting lugs

VPI Dry Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
100 Units Per Month

Delivery Time
2-3 Months

About VPI Dry Transformer

Our company is manufacturing and supplying superior quality and exceptional VPI Dry Transformer which is easily installed due to its light and compact design. It provides excellent performance, high performance efficiency, high strength, longer service life and reliability. Moreover, this equipment is fabricated using best grade components which enables it to withstand shock as well as short-circuit. In addition to this, VPI Dry Transformer assures cost effectiveness, smooth functioning, less power consumption as well as it requires low maintenance also.

Reliable Performance for Demanding Conditions

Our VPI Dry Transformers are engineered to function reliably in extreme ambient temperatures, ranging from -10C to +50C. The robust design adheres to IS 11171 and IEC 60076 standards, ensuring safe operation under diverse conditions. The combination of advanced insulation, high dielectric strength, and efficient cooling systems grants longevity and steadfast performance in both indoor and outdoor settings.

Versatile Features and Customization

Tailored to your requirements, our transformers offer various winding connections (Dyn11, Yyn0), multiple coil materials (copper or aluminum), and support for both step-up and step-down voltage applications. These features, along with customizable impedance, voltage, and capacity, make VPI Dry Transformers suitable for a broad spectrum of industrial and commercial installations.

Seamless Installation and Maintenance

Installation is straightforward with floor-mounted designs and integrated lifting lugs. Maintenance is minimized by using quality materials and finishes such as epoxy powder coating and by conforming strictly to national and international quality standards. Optional features like on-load tap changers and higher protection ratings are also available upon request, ensuring easy adaptability to your operational needs.

FAQ's of VPI Dry Transformer:

Q: How can VPI Dry Transformers be installed for optimal performance?

A: VPI Dry Transformers are designed for fixed, floor-mounted installation using provided lifting lugs for safe handling and positioning. They can be placed indoors or outdoors, depending on your power distribution requirements, thanks to their robust construction and IP23 protection (with higher ratings available). Proper ventilation and compliance with installation guidelines help achieve optimal efficiency and longevity.

Q: What are the key benefits of using a VPI Dry Transformer in industrial and commercial settings?

A: Key benefits include high energy efficiency (up to 99.9%), low maintenance due to quality materials and epoxy powder coating, excellent surge withstand capability, and versatile installation options. These transformers also produce low noise levels, provide dependable dielectric strength as per IS/IEC norms, and adapt to both step-up and step-down voltage operations, making them ideal for a wide range of power distribution applications.

Q: When should I consider specifying copper or aluminum winding for my transformer?

A: Copper windings are generally chosen for enhanced conductivity and increased efficiency, while aluminum windings offer a more cost-effective alternative with lower weight. The choice depends on your priorities for performance, budget, and application requirements. Both materials meet relevant IS/IEC standards and are available for customization.

Q: Where are VPI Dry Transformers most effectively used?

A: These transformers are best suited for industrial and commercial power distribution systems, supporting capacities from 100 kVA up to 2500 kVA and voltages up to 33 kV. Their wide ambient temperature tolerance and indoor/outdoor suitability ensure flexibility for a variety of challenging operational environments in sectors such as manufacturing, utilities, and infrastructure.

Q: What is the process for customizing a VPI Dry Transformer to specific requirements?

A: Customization is straightforward: you can specify requirements such as winding connection (Dyn11 or Yyn0), winding material (copper or aluminum), protection level (IP23 or higher), tap changer type, and even physical dimensions. Our engineering team will design the transformer to meet your exact needs while ensuring compliance with IS 11171 / IEC 60076 standards and maintaining optimal performance.

Q: How does the VPI Dry Transformer ensure operational safety and compliance?

A: Operational safety is achieved through insulation classes up to Class H, rigorous adherence to IS/IEC dielectric strength requirements, effective surge withstand capability, and a durable paint finish. Additionally, the transformer's protection rating (IP23 or higher) and controlled noise levels contribute to a safe, compliant, and user-friendly electrical environment.

Q: What usage practices ensure maximum transformer efficiency and longevity?

A: To maximize efficiency and lifespan, install the transformer in a clean, well-ventilated area, ensure proper load management, and follow scheduled inspections as per IS/IEC recommendations. Utilizing the correct tap changer and observing the rated ambient temperature and cooling method (AN or ANAF) will further enhance performance and durability.

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