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Power Distribution Transformers

Name: Power Distribution Transformers
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 508700.00 INR
Availability: InStock

Price 508700.00 INR/ Unit

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MOQ : 1 Unit

Power Distribution Transformers Specification

Load Loss
As per IS: 2026 Standards

Dimension (L*W*H)
Custom (example: 1700x1100x1250 mm for 630 kVA)

Low Voltage
415 V / 433 V

Rated Voltage
11 kV / 22 kV / 33 kV

Cooling Type
ONAN (Oil Natural Air Natural)

High Voltage
11 kV / 22 kV / 33 kV

Coil Material
Copper / Aluminum

Voltage Booster Type
Other

Capacity
Distribution range 25 kVA - 2500 kVA

Operating Temperature
-10C to +50C

Product Type
Power Distribution Transformer

Material
Copper / Aluminum

Output
Variable depending on rating

Frequency (MHz)
50 Hz

Efficiency
98% - 99%

Phase
Three Phase

Usage
Electrical Power Distribution

Coil Structure
Toroidal / Layer Wound

Coil Number
Single / Multiple

Power Scope
Upto 2.5 MVA

Weight
Varies by capacity (approx 650-1800 kg)

Impedance Voltage
Approx. 4.5% at rated load

Insulation Class
Class A or F

No Load Loss
As per IS 1180 & IEC standards

Standards
IS 1180 / IEC 60076 / BIS certified

Cooling Medium
Mineral oil filled

Tap Range
+/- 5% in steps of 2.5%

Enclosure Protection
IP23/IP24

Noise Level
<55 dB at 1 meter

Paint Finish
Epoxy/polyurethane coating for outdoor/indoor use

Core Type
CRGO laminated core

Accessories
Oil level indicator, temperature gauge, Buchholz relay, pressure relief device

Mounting Type
Base channel / wheels

Regulation
Less than 5% at full load

Termination Type
Cable box/bushing as required

Shock Resistance
Designed for seismic zone 4

Power Distribution Transformers Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
500 Units Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About Power Distribution Transformers

We are counted as one of the renowned manufacturers and suppliers of Power Distribution Transformers. Our range of products is manufactured using high-grade steel procured from the trustworthy vendors of the market. To meet the variegated demands of our clients, our range is checked on various parameters to ensure its optimum performance & quality. These transformers are known for their various attributes like sturdy construction and easy usage. The Power Distribution Transformers are widely used top meet various industrial and commercial purposes.

Product Details

Voltage Ratio	11kV/433V
Phase	3-Phase
Cooling Type	Oil Cooled
Power Rating	400kVA
Country of Origin	Made in India
Winding Material	Mild Steel

High-Efficiency Power Distribution

Designed for varied industrial and commercial utility, these transformers deliver efficiency rates between 98% and 99%, minimizing energy loss and maximizing output. Their superior regulation (<5% at full load) ensures a stable voltage profile, while compliance with stringent IS and IEC standards guarantees reliability and safety. The use of high-quality copper or aluminum windings promotes longevity and performance consistency.

Robust Construction and Versatile Installation

Robustly built with IP23/IP24-protected enclosures and seismic zone 4 resistance, these transformers are suitable for both harsh outdoor and controlled indoor environments. Multiple mounting configurationsbase channels or wheelsand termination styles (cable box/bushing) allow flexible integration into various setups. Each unit is finished with durable epoxy or polyurethane coatings to withstand environmental wear.

Advanced Features and Accessories

Equipped with key operational accessories such as oil level indicators, Buchholz relays, temperature gauges, and pressure relief devices, these transformers enable efficient monitoring and maintenance. Tap changers offer 5% adjustment in 2.5% steps, supporting optimal voltage regulation in dynamic grid conditions. Cooling is provided via ONAN (Oil Natural Air Natural) systems, enhancing performance and thermal stability.

FAQs of Power Distribution Transformers:

Q: How do power distribution transformers optimize voltage regulation in electrical grids?

A: These transformers maintain voltage levels close to the ideal range with voltage regulation of less than 5% at full load. The inclusion of tap changers with a +5% to -5% adjustment range (in 2.5% steps) allows for precise tuning, ensuring stability and reliability for downstream equipment.

Q: What standards and certifications are the transformers manufactured to meet?

A: The transformers comply with IS 1180, IEC 60076, and BIS certification standards, ensuring quality, safety, and compatibility with both Indian and international grid requirements.

Q: When should I select a transformer with Class A or F insulation?

A: Class A insulation is suitable for conventional temperature environments, while Class F offers enhanced thermal resistance for higher ambient temperatures or heavier duty cycles, supporting operation in temperatures from -10C to +50C.

Q: Where can these transformers be installed for best performance?

A: Thanks to their IP23/IP24 enclosure protection, seismic zone 4 shock resistance, and corrosion-resistant paint, these transformers are suitable for both outdoor and indoor installations across diverse environmental conditions.

Q: What is the process for monitoring and maintaining transformer health?

A: Routine checks are simplified with integrated accessories: oil level indicators, temperature gauges, Buchholz relays, and pressure relief devices. These features help monitor operating conditions and provide safety mechanisms against faults or abnormal operation.

Q: How does the cooling system work in these transformers?

A: Each unit uses ONAN (Oil Natural Air Natural) cooling, where natural oil and air circulation efficiently dissipate heat generated during operation, ensuring safe and stable transformer performance even at high loads and in various ambient temperatures.

Q: What are the main benefits of using these power distribution transformers?

A: They deliver high efficiency (up to 99%), robust protection against environmental and seismic risks, flexible customization for ratings up to 2.5 MVA, and easy integration, supporting reliable, long-term electrical power distribution in commercial, industrial, or infrastructure projects.

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