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Dry Type Transformer Solutions

High-Performance Dry Type Transformers

Engineered for superior safety, energy efficiency, and dependable performance in commercial, industrial, and critical power applications.

Peak efficiency
Operational life
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New Project - 2026-06-30T164119.340
Product Overview

Safe & Efficient Power Distribution Solutions

Voltek Dry Type Transformers are designed to deliver reliable, maintenance-friendly, and environmentally safe power distribution. Built with premium insulation systems and precision-engineered windings, they offer exceptional thermal performance, low energy losses, and enhanced fire safety, making them ideal for indoor installations and demanding industrial environments.

High Energy Efficiency
Low Maintenance
Reliable Performance
Fire-Resistant Design
Long Operational Life
Eco-Friendly Construction
Transformer Types

Our Dry Type Transformer Types

New Project - 2026-06-30T123437.485

Cast Resin Dry Type Transformers

Cast Resin Dry Type Transformers are manufactured using vacuum epoxy resin casting technology where the high-voltage windings are completely encapsulated in epoxy resin. This construction provides exceptional protection against moisture, dust, chemicals, humidity, and harsh environmental conditions while offering superior mechanical strength and fire safety.

These transformers are ideal for critical installations where maximum operational safety and long-term reliability are required.

New Project - 2026-06-30T123437.485

VPI Dry Type Transformers

Vacuum Pressure Impregnated (VPI) Dry Type Transformers are manufactured by impregnating the windings with high-quality insulating varnish under vacuum pressure. This process enhances dielectric strength, improves thermal performance, and provides dependable protection against dust and humidity while maintaining excellent cooling characteristics.

VPI transformers offer an economical, reliable, and energy-efficient solution for industrial and commercial power distribution systems.

Engineered Features

Built for Performance. Designed for Safety.

Six core engineering advantages that make Voltek Dry Type Transformers the preferred choice for modern power distribution.

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High Efficiency

Optimized core construction minimizes losses while maximizing operational efficiency.

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Superior Insulation

Premium Class F/H insulation provides outstanding thermal endurance and electrical reliability.

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Low Power Loss

High-grade CRGO cores reduce no-load and load losses for greater energy savings.

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Compact Design

Space-saving construction allows easy installation in commercial and industrial facilities.

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Fire & Moisture Resistant

Dry insulation technology provides superior protection against fire, humidity, and contamination.

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Easy Installation

Factory-tested units enable quick commissioning with minimal maintenance requirements.

Technical Specifications

Specifications & Standards

Custom ratings available on request. Contact our engineering team for project-specific datasheets.

New Project - 2026-06-30T175641.211
PARAMETER VALUE
Voltage Range Up to 35 kV (Including Dual Voltages)
Power Rating 30 kVA – 40,000 kVA (AN)
Tap Changer ±2 × 2.5% (Other Options Available)
Frequency 50 Hz / 60 Hz
Phase Configuration Single Phase / Three Phase
Vector Group Dyn11, Yyn0, or Customized
Cooling Method AN / AF
Insulation Class Class F / Class H
Insulation Level 6/10 kV, 20 kV, 35 kV
Power Frequency Test 35 kV / 50 kV / 70 kV
Lightning Impulse (BIL) 75 kV / 125 kV / 170 kV
Protection Enclosure Grade IP00, IP20, IP23, or As Required
Operating Altitude Up to 1000 m Above Sea Level
Ambient Temperature Up to 40°C
Standards IEC 60076, GB 1094
Customization Available According to Special Customer Requirements
Applications

Trusted Across Diverse Industries

Why Voltek

Engineering Excellence for Safer Power Distribution

Every Voltek Dry Type Transformer is manufactured using advanced engineering practices and strict quality control, ensuring dependable performance, operational safety, and long service life.

● MANUFACTURING PROCESS

From Design to Reliable Power Distribution

A seven-stage manufacturing process focused on quality, precision, and long-term reliability.

STEP 01
Design
📐
STEP 02
Engineering
🔨
STEP 03
Core Manufacturing
STEP 04
Assembly
🔬
STEP 05
Testing
STEP 06
Quality Inspection
📦
STEP 07
Delivery
Frequently Asked Questions
  • A Dry Type Transformer is a transformer that uses air instead of oil as its cooling medium. It offers excellent fire safety, low maintenance, and environmentally friendly operation, making it ideal for indoor and sensitive installations.