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Electrical Power Transformer

Name: Electrical Power Transformer
Brand: URJA TECHNIQUES (INDIA) PVT. LTD.
Price: 300000 INR
Availability: InStock

Price 300000 INR/ Unit

Get a Price/Quote

MOQ : 1 Unit

Electrical Power Transformer Specification

High Voltage
11kV / 22kV / 33kV

Dimension (L*W*H)
Depends on Rating

Cooling Type
ONAN (Oil Natural Air Natural)

Low Voltage
415V / 433V

Standard
IS 2026, IEC 60076

Coil Material
Electrolytic Copper

Operating Temperature
-25C to +50C

Load Loss
As per IS 2026 Standards

Voltage Booster Type
Automatic Tap Changer (Optional)

Rated Voltage
11kV / 22kV / 33kV

Capacity
100 kVA - 5000 kVA

Product Type
Power Transformer

Material
Copper

Output
Product wise

Frequency (MHz)
50 Hertz (HZ)

Efficiency
99.9%

Phase
Three Phase

Usage
Electrical Power Distribution

Coil Structure
Toroidal / Layer Wound

Coil Number
Double Winding

Power Scope
Up to 5000 kVA

Weight
Varies by Capacity

Noise Level
Less than 65 dB at 1m distance

Short Circuit Withstand
As per IS/IEC Standards

Test Reports
Routine, Type and Special Tests as per Standards

Service Life
Greater than 25 years

Impedance
As specified by customer (typically 4% - 10%)

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

Winding Connection
Dyn11 / Yyn0 (Customizable)

Ambient Humidity
Up to 95% RH

Cooling Oil Volume
As per rating (Approx. 400 L for 1000 kVA)

Paint Finish
Epoxy / Polyurethane

Insulation Class
Class A / F / H

Protection
Buchholz Relay, OLTC, PRV, Oil Level Gauge

Mounting Type
Floor Mounted

Core Construction
Cold Rolled Grain Oriented (CRGO) Steel

Transport
Lifting Hooks and Rollers Provisioned

Electrical Power Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
100 Units Per Month

Delivery Time
2-3 Months

About Electrical Power Transformer

We offer our range of premium quality electrical power transformers, which cater to the demands of different industries. The electric transformers are equipped with automatic on and off cooling facility and feature multiple ratio outputs for changing resistance loads. These transformers are capable of withstanding the short-circuits to provide the industries continuous power.

Features of Electrical Power Transformer:

Weather resistance
Unmatched efficiency
Robust construction
One of the less incidences of through fault and other failure.
Low maintenance due to advanced design.
Interconnecting system transformers.
Oil delivery transformers and voltage regulators.
Line feeding and traction transformers.
Phase shifters with special reactors.

Exceptional Design and Customization

Our power transformer stands out with flexible insulation classes, customizable winding connections (Dyn11/Yyn0), and a tap changer supporting a range of +5% to -15% (steps of 1.25%). Its robust construction with CRGO steel and electrolytic copper windings ensures low losses, high efficiency (99.9%), and adherence to global IS/IEC standards for consistent, safe operation.

Efficient Cooling and Long-Lasting Protection

Featuring ONAN (Oil Natural Air Natural) cooling and optimized oil volume per rating, this transformer is protected by Buchholz relays, pressure relief valves, oil level gauges, and OLTC, maintaining thermal stability and safety even under high demands. The transformer is tested to withstand short circuits and operates reliably in up to 95% relative humidity.

Built for Versatility and Ease of Integration

Available in varying capacities and voltage options (HV: 11kV/22kV/33kV; LV: 415V/433V), our transformer is designed for flexible placement with floor mounting, lifting hooks, and rollers. With a durable epoxy/polyurethane paint finish and routine, type, and special test documentation, it's primed for a variety of commercial, industrial, and utility power distribution settings in India.

FAQ's of Electrical Power Transformer:

Q: How is the transformer customized to meet specific project requirements?

A: Our power transformers accommodate user-specified impedance values (typically 4%-10%), customizable winding connections (Dyn11/Yyn0), insulation class (A/F/H), and variable tap changer ranges. We tailor core size, cooling oil volume, and mounting features according to the customer's rating and installation preferences.

Q: What processes are followed to ensure transformer quality and safety?

A: Each transformer undergoes rigorous routine, type, and special tests in accordance with IS 2026 and IEC 60076 standards. Quality protocols include high-voltage insulation tests, load loss measurements, short circuit withstand assessments, and functional safety checks on protection devices.

Q: Where can this transformer be installed and what mounting provisions are available?

A: This transformer is engineered for floor mounting and is suitable for both indoor and outdoor use in industrial plants, utilities, or commercial complexes. It's equipped with lifting hooks and rollers to facilitate safe transport and easy site installation, even in challenging environments.

Q: What are the benefits of the CRGO steel core and copper winding material?

A: The cold rolled grain oriented (CRGO) steel core minimizes core losses for improved energy efficiency, while electrolytic copper windings ensure high conductivity and superior thermal performance. This combination delivers a transformer efficiency of 99.9% and a typical operational lifespan exceeding 25 years.

Q: When should automatic tap changers be considered for installation?

A: Automatic tap changers are recommended when frequent voltage adjustments are required to maintain output stability under variable load conditions. They allow transformer voltage regulation (+5% to -15% in 1.25% steps) without de-energizing, providing seamless operational control and equipment protection.

Q: How does the transformer perform under high humidity and temperature extremes?

A: Designed for robust operation in up to 95% ambient humidity and temperatures ranging from -25C to +50C, the transformer's insulation and protective coatings prevent degradation, ensuring reliable power supply in harsh Indian environments.

Q: What advantages does the transformer offer for long-term distribution needs?

A: The transformer's efficient design, high-quality materials, and comprehensive protective features assure low operational losses, minimal maintenance, and over 25 years of service life. Its adherence to international standards guarantees safe, consistent performance and lasting investment value for diverse power distribution applications.

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