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Dry Type Transformer

Name: Dry Type Transformer
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 25000 INR
Availability: InStock

Price 25000 INR/ Unit

Get a Price/Quote

MOQ : 1 Unit

Dry Type Transformer Specification

Coil Material
Copper / Aluminium

Load Loss
780 W (at rated capacity)

Rated Voltage
11 kV / 0.433 kV

Operating Temperature
-25C to +50C

Dimension (L*W*H)
1250 mm x 850 mm x 1450 mm (approx.)

Voltage Booster Type
Step Down

High Voltage
11 kV

Low Voltage
0.433 kV

Cooling Type
Air Cooled (AN/AF)

Capacity
100 kVA to 2500 kVA

Product Type
Dry Type Transformer

Material
High-grade Silicon Steel and Copper/Aluminum windings

Output
Customized as per requirement

Frequency (MHz)
50/60 Hz

Efficiency
98%

Phase
Three Phase

Usage
Electrical power distribution and industrial applications

Coil Structure
Toroidal

Coil Number
Double Winding

Power Scope
Up to 2500 kVA

Weight
1500 kg (subject to rating)

Surge Withstand Capability
Compliant with IEC requirements

Degree of Protection
IP23 / IP44

Short Circuit Impedance
4% - 6%

Mounting Type
Floor Standing

Core Type
CRGO silicon steel, three-limb construction

Standard
IS 11171 / IEC 60076

Tap Changer
Off-circuit or On-load tap changer (OLTC) optional

Service Location
Indoor / Outdoor

Temperature Rise
60C (winding), 100C (hotspot max)

Noise Level
<60 dB at 1 meter

Winding Insulation Class
Class F / Class H

Dielectric Strength
As per IS/IEC standards

Dry Type Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
500 Units Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About Dry Type Transformer

Being a certified organization, we are engaged in manufacturing, supplying and exporting a wide range of Dry Type Transformer. Our offered transformers are used convert high voltage electrical current to low voltage electric current and vice versa, owing to which demanded across various industries and sectors. Available in different technical specifications, these transformers are widely praised. Our offered range of Dry Type Transformer is checked properly to ensure flawlessness.

Product Details

Voltage Ratio	11kV/433V
Brand	NGG Power Tech
Phase	Three Phase
Cooling Type	Dry Type/Air Cooled
Winding Material	Mild Steel
Power Rating	3MVA

High Performance and Safety Standards

Our dry type transformers adhere to stringent IS 11171 and IEC 60076 standards, ensuring high dielectric strength, impressive surge withstand capability, and an outstanding noise level below 60 dB at 1 meter. Coupled with Class F/Class H winding insulation and IP23/IP44 protection, the transformers are built to deliver safe, long-lasting performance in varied environments.

Flexible Installation and Operation

Designed for both indoor and outdoor installation, these transformers offer versatile mounting options and air-cooled operation. The off-circuit or optional OLTC tap changers allow for voltage regulation under different load conditions, ensuring reliable power distribution and adaptability to customer-specific requirements.

Customized Design and Application Range

With capacities from 100 kVA to 2500 kVA, these transformers feature customizable output voltages, robust three-phase operation, and can be configured with either copper or aluminum windings. Their construction ensures efficient, reliable power transfer suitable for industrial, commercial, and utility-scale applications.

FAQs of Dry Type Transformer:

Q: How do I select the appropriate dry type transformer for my application?

A: To select the right dry type transformer, determine your required capacity (1002500 kVA), voltage levels (11 kV/0.433 kV), installation environment (indoor or outdoor), and preferred features such as tap changer type or winding material. Our expert team can provide tailored recommendations based on your distribution needs and operational specifications.

Q: What benefits does Class F/H insulation provide in these transformers?

A: Class F and Class H insulation allows the transformer windings to handle higher temperatures (up to 100C hotspot), extending service life and reliability. This makes them ideal for demanding industrial environments where temperature resilience is crucial.

Q: When should I choose an on-load tap changer (OLTC) instead of an off-circuit tap changer?

A: An OLTC is suitable when voltage adjustments are needed while the transformer is energized and under load. Choose an off-circuit tap changer if manual voltage regulation is sufficient and can be done during maintenance intervals when the transformer is de-energized.

Q: Where can these dry type transformers be installed?

A: These transformers are designed for both indoor and outdoor use, thanks to their robust enclosure (IP23/IP44 protection) and adaptable mounting. They are ideal for facilities such as industries, commercial complexes, substations, and utility distribution points.

Q: What process is involved in manufacturing these transformers to meet IS/IEC standards?

A: Our manufacturing process includes sourcing high-grade silicon steel, precision winding of copper/aluminum coils, rigorous quality testing for dielectric and surge endurance, and assembly under strict performance standards (IS 11171/IEC 60076). Each transformer is uniquely configured and tested before shipment.

Q: How does air-cooled (AN/AF) technology benefit these transformers?

A: Air-cooled technology (using natural or forced air) provides effective and maintenance-friendly cooling, maintaining optimal operating temperatures without the need for liquid-based cooling systems. This reduces maintenance costs and enhances operational safety.

Q: What are the key advantages of using your dry type transformers for power distribution?

A: Key benefits include high efficiency (98%), robust safety and surge protection, adaptability for different mounting and locations, low operational noise, flexible voltage management, and compliance with global standards, ensuring reliable performance and long service life.

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