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OLTC Transformer

Name: OLTC Transformer
Brand: H.D. TRANSFORMERS
Price: 1200000 INR
Availability: InStock

Price 1200000 INR/ Piece

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MOQ : 1 Piece

OLTC Transformer Specification

Coil Material
Copper

Rated Voltage
11 kV / 22 kV / 33 kV

Dimension (L*W*H)
As per rating and customized design

Capacity
400 kVA to 5000 kVA

Operating Temperature
-20°C to +60°C

Load Loss
As per IS:2026/IEC Standard

Voltage Booster Type
On Load Tap Changer (OLTC)

High Voltage
Up to 33 kV

Low Voltage
433 V / 690 V

Standard
IS 2026, IEC 60076

Cooling Type
ONAN/ONAF (Oil Natural Air Natural/Forced)

Product Type
OLTC Transformer (On Load Tap Changer)

Material
Mild Steel / Copper

Output
Custom as per requirement

Frequency (MHz)
50 Hz

Efficiency
Up to 98%

Phase
Three Phase

Usage
Industrial / Power Distribution

Coil Structure
Laminated Core

Coil Number
Double Winding

Power Scope
400 kVA - 5000 kVA

Weight
2-8 Tons (Varies by Capacity)

Painting
Epoxy / Polyurethane as per IS 5

Impedance
4% to 8% (as per rating)

Transport
Suitable for crane lifting and rolling

Vector Group
Dyn11 / Yyn0 as per specification

Accessories
Conservator, Breather, Radiators, Marshalling Box, Off-circuit Tap links

Tap Changer Range
+5% to -15% in steps of 1.25%

Protection
Buchholz Relay, PRV, Oil Temperature Indicator, WTI

Terminals
Copper / Aluminum Lugs

Mounting Type
Pad mounted / Outdoor / Indoor

Cooling Medium
Mineral Oil

Ambient Temperature
Up to 50°C

Winding Insulation Class
Class A / F

Testing
Routine & Type Test as per IS / IEC

Sound Level
Below 56 dB at 1 meter distance

OLTC Transformer About

Limited stock! Experience the sensational performance of our OLTC Transformer (Vector Group: Dyn11 / Yyn0), hot-selling across India and offered at astonishing markdowns for a short time. With a tap changer range of +5% to -15% in precision 1.25% steps, this terrific transformer suits industrial and power distribution applications. Boasting an impressive efficiency up to 98%, robust insulation (Class A/F), and multiple protection features including Buchholz Relay and Oil Temperature Indicator, it ensures reliability and safety. Crafted from high-grade Mild Steel and Copper, it meets IS 2026/IEC 60076 standards, available from 400 kVA to 5000 kVA and custom-built for your needs!

Applications, Features & Direction For Use

The OLTC Transformer is ideal for industrial installations and extensive power distribution networks. Featuring pad, outdoor, or indoor mounting, laminated core, and double winding coil structure, it delivers continuous, stable performance in challenging environments. Operators should monitor via protection accessories and tune output using the On Load Tap Changer (OLTC) as needed. Designed for heavy-duty tasks up to 8 tons and ambient temperatures up to 50C, it's tailored for reliability and effortless operation.

Supply Ability, Domestic Market & Payment Terms

Quick dispatch and assured supply capability define our transformer services, catering primarily to the thriving domestic market. Flexible payment terms and prompt quotations facilitate hassle-free business for manufacturers and suppliers across India. Stock is available for immediate procurement, ensuring minimal wait times and streamlined logistics for your project needs. Secure your order with a reliable, rapid supply chain designed specifically for the Indian industrial sector.

FAQ's of OLTC Transformer:

Q: How does the OLTC Transformer ensure efficient voltage regulation?

A: The OLTC Transformer features an On Load Tap Changer (OLTC) with precise tap ranges of +5% to -15% in 1.25% steps, enabling seamless voltage adjustment without interrupting load, ensuring stable and efficient power delivery.

Q: What industrial applications are suitable for this OLTC Transformer?

A: This transformer is best suited for large-scale power distribution and industrial setups, including manufacturing, process plants, and heavy-duty installations requiring high reliability, custom outputs, and low maintenance.

Q: Where can the OLTC Transformer be installed?

A: It offers sensational mounting flexibility-pad mounted, outdoor, or indoor-adapted for various environments, making it an excellent choice for both new setups and upgrades in existing electrical substations.

Q: What key features enhance operational safety in this transformer?

A: Integrated safety accessories like Buchholz Relay, PRV, Oil Temperature Indicator, WTI, and high-grade epoxy or polyurethane painting ensure robust protection against faults, temperature fluctuations, and operational stress.

Q: How quickly can I receive my OLTC Transformer after placing an order?

A: Benefit from quick dispatch; ready stock and efficient supply chains ensure your transformer reaches you rapidly within the domestic market, with flexible payment terms to expedite procurement.

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