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OLTC Resin Cast Transformer

Name: OLTC Resin Cast Transformer
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 25000 INR
Availability: InStock

Price 25000 INR/ Unit

Get a Price/Quote

MOQ : 1 Unit

OLTC Resin Cast Transformer Specification

Load Loss
As per IS 1180 Standard

Rated Voltage
11 kV / 22 kV / 33 kV

Low Voltage
0.4 kV

Voltage Booster Type
On Load Tap Changer (OLTC)

Capacity
100 kVA - 2500 kVA

Coil Material
Copper/Aluminum

High Voltage
Up to 33 kV

Operating Temperature
-25°C to +45°C

Cooling Type
AN (Air Natural)

Dimension (L*W*H)
Variable as per capacity (e.g., 2100 x 1500 x 1800 mm)

Product Type
OLTC Resin Cast Transformer

Material
Epoxy Resin Cast

Output
Customized as per requirement

Frequency (MHz)
50-60 Hz

Efficiency
98%

Phase
Three Phase

Usage
Industrial, Power Distribution, Utilities

Coil Structure
Toroidal

Coil Number
Double Winding

Power Scope
Distribution & Power Transmission

Weight
Approx. 2800 - 3200 kg

Dielectric Strength
Up to 35 kV

Short Circuit Impedance
4% - 6%

Standard
IS 2026 / IEC 60076

Paint Type
Epoxy

Mounting Type
Floor Mounted

Winding Type
Foil Winding

Protection Grade
IP 23

Insulation Class
F/H

Test Voltage
28 kV

Tap Range
+/- 10%

Transformer Type
Dry Type

Ambient Temperature
Up to 40C

No Load Loss
As per IS 2026

OLTC Resin Cast Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
500 Units Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About OLTC Resin Cast Transformer

The OLTC Resin Cast Transformer is well known in the market, for the supplying of an exclusive range OLTC Resin Cast Transformer. The offered range is manufactured under the guidance of our experienced professionals, by using the optimum quality products and modern techniques. In addition, all the products are checked under the supervision of quality controllers. All the precious patrons can avail the benefit of the range of OLTC Resin Cast Transformer at very reasonable price. We ensure that our products are rust proof, durable and high in performance.

Product Details

Voltage Ratio	11kV/433V
Brand	NGG Power Tech
Phase	3-Phase
Winding Material	Copper
Power Rating	630kVA
Standards	IS-1180

Advanced Insulation & Durability

Built with insulation classes F and H and encapsulated in epoxy resin, the transformer exhibits exceptional resistance to environmental contaminants and breakdown. Its robust construction ensures extended operational life and reliable performance, even in challenging indoor industrial conditions.

Precision Voltage Control with OLTC

Featuring an On Load Tap Changer (OLTC), this transformer enables real-time voltage adjustments under load. The 10% tap range accommodates varying load demands, supporting smooth operations and minimizing power fluctuations across distribution networks and utilities.

Optimized for Energy Efficiency

With an impressive 98% efficiency rate and strict adherence to IS 2026 and IS 1180 standards for both no load and load losses, this transformer significantly cuts down on energy wastage, making it ideal for cost-effective power management in industrial or utility settings.

FAQs of OLTC Resin Cast Transformer:

Q: How does the OLTC Resin Cast Transformer maintain safety and durability for industrial usage?

A: The transformer achieves high safety and durability through its epoxy resin encapsulation, insulation class F/H, and IP 23 protection grade. These features ensure superior dielectric strength, resistance to chemicals, and protection against dust and moisture, making it well-suited for industrial environments.

Q: What is the process for customizing the output and capacity of this transformer?

A: Output and capacity customization is handled during the manufacturing phase, based on specific client requirements. The transformer can be tailored for capacities from 100 kVA to 2500 kVA and rated voltages of 11 kV, 22 kV, or 33 kV, ensuring compatibility with diverse power transmission and distribution systems.

Q: Where is the OLTC Resin Cast Transformer typically installed?

A: The transformer is designed for floor mounting and is commonly installed in power distribution rooms, substations, and industrial facilities. Its IP 23 protection makes it suitable for indoor environments where environmental exposure is limited and operational safety is essential.

Q: When should an OLTC feature be preferred in a dry-type transformer?

A: An OLTC feature is ideal when stable output voltage is critical despite fluctuating input or load conditions. It allows voltage adjustments under load, ensuring consistent power delivery for sensitive industrial applications and utility grids.

Q: What are the main benefits of using epoxy resin cast technology in transformers?

A: Epoxy resin casting provides excellent electrical insulation, mechanical robustness, and resistance to fire, chemicals, and moisture. This results in reduced maintenance needs, a longer transformer life, and enhanced reliability, especially for dry-type installations.

Q: How efficient is the transformer, and what standards does it comply with?

A: The transformer boasts an efficiency of 98% and strictly adheres to IS 2026, IEC 60076, and IS 1180 standards for transformer performance and safety. No load and load losses are maintained as specified by these recognized standards, ensuring reliable quality.

Q: What types of windings and core structure are used in this transformer?

A: The transformer employs foil winding technology and a toroidal coil structure, which together offer reduced losses, improved heat dissipation, and better mechanical strength, leading to quieter operation and enhanced energy efficiency.

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