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Electrical Power Transformer

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Electrical Power Transformer Specification

Voltage Booster Type
Step Down

Rated Voltage
11 kV / 433 V

High Voltage
11,000 V

Load Loss
4.5 kW

Capacity
500 kVA

Dimension (L*W*H)
1600 mm x 950 mm x 1700 mm

Cooling Type
ONAN (Oil Natural Air Natural)

Low Voltage
433 V

Operating Temperature
Up to 45C

Coil Material
High quality copper

Product Type
Electrical Power Transformer

Material
Copper and Cold Rolled Grain Oriented Silicon Steel

Output
Up to 5000 kVA

Frequency (MHz)
50 Hz

Efficiency
98%

Phase
Three Phase

Usage
Electrical power distribution

Coil Structure
Toroidal

Coil Number
3

Power Scope
Up to 5000 kVA

Weight
Approx. 1200 kg

Electrical Power Transformer Trade Information

Payment Terms
Telegraphic Transfer (T/T)

Main Export Market(s)
North America, Middle East, Africa, Western Europe, Central America, South America, Asia, Eastern Europe, Australia

Main Domestic Market
All India

About Electrical Power Transformer

We have secured a distinguished position in the market as a prominent trader, supplier, exporter, contractor and consultant of Transformers. These devices have key role in transforming electrical energy from one circuit board to another without any direct electrical connection. The salient features of our Transformers are their low electrical losses, superior quality, necessary safety features, advanced components for primary and secondary windings, exceptional insulation properties and long service period. We offer our electrical products after verifying their standard quality by necessary parameters.

Types of Cooling :

Oil-cooled type : These are totally maintenance free and can be used both indoor and outdoor. Oil-cooled transformers are available in two versions namely (a) with OFF-load tap changer and (b) with ON-load tap changer.
Dry or Cast Resin Type : These are air-cooled, having an epoxy resin encasing the windings. These are ideal for indoor installation. However, because the molds for casting the coils are available only in fixed sizes, the design of such transformers is less flexible; this may increase the cost of customized dry transformers.

Description	Ratings	Voltages	Standards
Autotransformers	Up to 1000 MVA	Up to 765 KV	ANSI,IEC,NEMA,OTHER
Generator Step-up Transformers	Up to 1000 MVA	Up to 765 KV	ANSI,IEC,IS,BS,NEMA,OTHER
Small Power Transformers	Up to 25 MVA	Up to 138 KV	ANSI,IEC,IS,NEMA,OTHER
Medium Power Transformers	Up to 60 MVA	Up to 230 KV	ANSI,IEC,IS,BS,NEMA
Large Power Transformers	Up to 600 MVA	Up to 765 KV	ANSI,IEC,IS,BS
Regulating Power Transformers	Up to 20 MVA	Up to 66 KV	IEC,OTHER
System / Two Winding Transformers	Up to 300 MVA	Up to 275 KV	IEC,OTHER
Phase-shifting Transformers	Up to 500 MVA	Up to 525 KV	ANSI,IEC
HVDC Converter Transformers	Up to 750 MVA	Up to 500 kV	ANSI
Mobile Transformers	Up to 100 MVA	Up to 245 KV	ANSI,IEC
Shunt Reactors	Up to 125 MVA	Up to 765 KV	ANSI,IEC,IS,OTHER

Distribution Transformers : These are generally used in electrical power distribution and transmission and can withstand overloads.

Special Transformers :

Description	Ratings	Voltages	Standards
Furnace Transformers	Up to 150 MVA	Up to 33 kV	ANSI,IEC,IS,BS,OTHER
Loco transformers	Up to 10 MVA	Up to 25 kV	IEC,IS
Traction Distribution Transformers	21.6 to 40 MVA	66 to 220 kVA	IEC,IS
Trackside Power Transformers	Up to 100 MVA	Up to 400 kV	IEC,IS,OTHER

Weatherproof Type : If required by client, we can also provide weather proof enclosure for the transformer.

Advanced Safety and Monitoring Features

Safety is paramount with this transformer, equipped with Buchholz relay, oil level indicators, and a temperature gauge to swiftly detect and respond to any abnormalities. These protection mechanisms help prevent equipment damage and minimize operational downtime.

Efficient Design for Maximum Performance

Boasting 98% efficiency, this transformer minimizes energy losses through optimized double layer winding and toroidal coils. The use of mineral oil cooling (ONAN type) ensures stable temperature regulation and reliability under heavy load conditions.

Built to Withstand Challenging Environments

The epoxy powder coating provides excellent resistance against corrosion, making this transformer suitable for both indoor and outdoor installations. Its robust design performs reliably in high humidity (95%) and ambient temperatures up to 45C.

FAQs of Electrical Power Transformer:

Q: How does the transformer maintain safety during operation?

A: The transformer is equipped with several safety features including a Buchholz relay for early fault detection, an oil level indicator, and a temperature gauge to monitor critical parameters and ensure proactive protection against potential failures.

Q: What are the main applications of this transformer?

A: This transformer is primarily used for electrical power distribution in industrial, commercial, and utility installations, serving as a reliable solution for both indoor and outdoor environments across India.

Q: Where can the transformer be installed, and what mounting options are available?

A: The transformer is designed for floor mounting, suitable for both indoor and outdoor settings owing to its corrosion-resistant, epoxy powder-coated enclosure and robust build quality.

Q: What process ensures the transformers high efficiency and durability?

A: The transformer utilizes double layer winding made from high-quality copper and cold-rolled grain-oriented steel, along with mineral oil for cooling. Its construction adheres to global standards (IS:2026, IEC 60076), ensuring reliability and long operational life.

Q: When should regular maintenance be performed on this transformer?

A: Routine inspections, including oil level checks, temperature monitoring, and relay functionality testing, are recommended quarterly or as specified by your service provider to guarantee optimal performance and safety.

Q: What benefits does the epoxy powder-coated finish provide?

A: The epoxy powder-coated surface offers superior protection against corrosion and environmental factors, extending the transformers service life and reducing maintenance requirements, especially in challenging climatic conditions.

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