LV Dry Type Distribution Transformers
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LV Dry Type Distribution Transformers

1. Enhanced Safety Performance
2. Superior Operational Reliability
3. Exceptional Economic Efficiency
4. Installation and Operational Flexibility
5. Broad Application Compatibility
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Product Introduction

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LV (Low Voltage) Dry Type Distribution Transformers are essential components in electrical power systems. They are designed to step down voltage from a medium voltage (MV) level to a safe low voltage (LV) level suitable for use in homes, businesses, and industrial applications. Unlike liquid-filled transformers, they use air instead of oil for cooling and insulation, making them a safer and more environmentally friendly option

Exceptional Energy Efficiency: Our LV dry-type distribution transformers are designed to meet and exceed global efficiency standards (including those of the U.S. Department of Energy and Natural Resources Canada), significantly reducing no-load losses and operating costs.

Fire-Safe & Eco-Friendly: Using self-extinguishing, non-toxic insulation materials, our transformers are suitable for use in various indoor environments such as hospitals, schools, and data centers, ensuring safety and stability.

Excellent Moisture and Dust Resistance: Our distribution transformers primarily utilize the Vacuum Pressure Impregnation (VPI) process, ensuring the windings are protected from moisture, salt spray, and chemical contaminants, providing superior moisture and dust resistance.

Maintenance-Free Durability: LTEC transformers have no moving parts and require no coolant replacement, boasting an expected lifespan of over 20 years, ensuring long-lasting durability and reduced maintenance.

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Applications of lV-dry-type-distribution-transformers
 
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Commercial & Public Infrastructure
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Industrial & Manufacturing Facilities
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Commercial & Infrastructure
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Smart Grid & Power Quality

1.Commercial and Public Infrastructure
Installed in basements, intermediate floors, or rooftop electrical rooms to step down voltage for lighting, elevators, and HVAC systems safely and efficiently.

2. Industrial & Manufacturing Facilities
Manufacturing Plants & Workshops: Used for machine tools, assembly lines, and process control systems. Their robust construction can withstand harsh environments with dust, moisture, and vibration.

3. Commercial & Infrastructure
Data Centers: Safe, fire-resistant power distribution for critical IT loads.
Hospitals & Airports: Ensure reliable power without oil leakage risks.
 

4. Harsh Environments
Mining & Offshore: Explosion-proof designs for hazardous locations.
Tropical/Coastal Areas: Moisture-resistant insulation for high-humidity conditions.
 

5. Smart Grid & Power Quality
Harmonic Mitigation: K-rated models for nonlinear loads (e.g., rectifiers).
IoT-Enabled Monitoring: Real-time temperature/load tracking for predictive maintenance.

 

 
lV-dry-type-distribution-transformers: Technical Specifications
 

Category

Parameter

Specification

General

Power Rating

Up to 1000 kVA

 

Construction

VP1 Structure

Cooling & Insulation

Cooling Method

AN / AF (IEC 60076-11 compliant)

 

Insulation System

UL 1446 certified, Class H (180°C) or R (220°C)

 

Fire Resistance

Self-extinguishing, flame-retardant materials

Electrical

Frequency

50/60Hz (±5%)

 

Standards Compliance

IEC 61378-1, IEEE C57.18.10

Environmental

Ambient Temperature Range

-25°C to +50°C

 

Altitude

≤3000m (derating above 1000m)

Design Features

Efficiency

High-efficiency cooling design

 

Safety

No flammable liquids, suitable for hazardous environments

 

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Why choose LTEC's lV-dry-type-distribution-transformers?
 

LTEC – Powering Your Systems with Innovation!

 Uncompromising Safety and Environmental Leadership

Zero Fire Hazard: As a dry-type transformer with no flammable liquids (oil or silicone), LTEC transformers significantly reduce the risk of fire and explosion. This is a non-negotiable safety advantage for indoor installations, crowded buildings, and sensitive sites like hospitals and schools.

Environmentally Friendly: With no oil to leak, spill, or dispose of, LTEC transformers have a minimal environmental impact. This aligns with green building standards (like LEED) and eliminates the cost and liability associated with fluid cleanup.

Superior Engineering for Peak Performance and Reliability

Advanced Insulation Systems: LTEC utilizes Vacuum Pressure Impregnated (VPI) or Epoxy Resin Cast coil technology. This creates a winding assembly that is:

Highly Resistant to moisture, dust, and corrosive chemicals.

Mechanically Robust to withstand the high stresses of short-circuit faults.

Thermally Stable for consistent performance and long insulation life.

Advanced Modeling: They use sophisticated software to model performance under various fault conditions, ensuring the transformer will behave as expected in a real-world fault scenario.

Optimal Impedance Design: The impedance is carefully calculated to limit the ground fault current to a level that is high enough for relays to detect but low enough to prevent damage to equipment (often in the 200A to 1000A range).

Robust Construction and Quality Materials

High-Quality Core Steel: Uses low-loss, grain-oriented silicon steel for efficient magnetic performance and reduced heating.

Durable Copper Windings: Typically uses copper windings for superior short-circuit withstand capability, thermal performance, and corrosion resistance compared to aluminum.

Rigorous Insulation System: Features a vacuum pressure impregnated (VPI) or cast resin insulation system. This makes the windings resistant to moisture, chemicals, and environmental contaminants, which is crucial for long-term reliability.

Robust Tank and Finish: The tank is often made of heavier-gauge steel and protected with a high-quality industrial paint or epoxy coating to resist corrosion in harsh environments.

 

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