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3150 KVA Power Transformer

Name: 3150 KVA Power Transformer
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 3050000.00 INR
Availability: InStock

Price 3050000.00 INR/ Unit

Get a Price/Quote

MOQ : 1 Unit

3150 KVA Power Transformer Specification

Voltage Booster Type
Off-circuit tap changing

Operating Temperature
-20°C to +55°C

Low Voltage
11,000 V

Load Loss
7,900 W

Cooling Type
ONAN (Oil Natural Air Natural)

Capacity
3150 KVA

Coil Material
High conductivity copper

High Voltage
33,000 V

Dimension (L*W*H)
4100 mm x 1800 mm x 2500 mm

Rated Voltage
33 kV / 11 kV

Product Type
Power Transformer

Material
Copper, Silicon Steel Core

Output
3150 KVA

Frequency (MHz)
50 Hz

Efficiency
98.5%

Phase
Three Phase

Usage
Industrial/Electrical Power Distribution

Coil Structure
Toroidal

Coil Number
Two (Primary and Secondary)

Power Scope
3150 KVA

Weight
Approx. 11,500 Kg

Vector Group
Dyn11

Impedance Voltage
6.25%

Standards
IS 2026 / IEC 60076

Bushing Type
Porcelain Oil Filled

No Load Current
0.68%

Tap Range
+5% to -10% in steps of 2.5%

Seismic withstand
35%g

Maximum Altitude
1000 m Above Sea Level

Frequency Tolerance
5%

No Load Loss
2.7 kW

Protection
Buchholz Relay, PRV, Silica Gel Breather, Oil Level Indicator, Temperature Gauge

Insulation Class
Class A / F

Winding Connection
Delta-Star (D-Y)

Paint Type
Epoxy / Polyurethane Coating

3150 KVA Power Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
500 Units Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About 3150 KVA Power Transformer

The offered collection of 3150 KVA Power Transformer is well-known for features like fine finish, smooth edges, reliability, optimum performance and longer functional life. These are highly demanded by our clients for their attributes like high quality standards, reliability and durability. The 3150 KVA Power Transformers are manufactured as per the set industry standards using excellent grade raw materials and are offered in diverse specifications in order to meet the requirements of our clients.

Product Details

Voltage Ratio	33kV/433V
Brand	NGG Power Tech
Usage/Application	Industrial
Phase	Three Phase
Cooling Type	Oil Cooled
Power Rating	3150kVA
Standards	IS-2026,IEC-60076
Winding Material	Copper

Advanced Design for Industrial Power Needs

With a toroidal coil structure and high conductivity copper material, this transformer ensures superior energy efficiency at 98.5%, minimizing operational losses. Engineered to handle rigorous demands, it supports both high and low voltage outputs (33,000V/11,000V) and is suitable for diverse industrial applications.

Safety and Protection Mechanisms

Equipped with top-tier safety features such as a Buchholz relay, pressure relief valve (PRV), silica gel breather, oil level indicator, and temperature gauge, the transformer is designed to maximize operational safety and prevent faults, enhancing the lifespan of your electrical infrastructure.

Built to Perform in Challenging Environments

This transformer operates reliably at altitudes up to 1000 meters and temperatures from -20C to +55C. Its rugged design, epoxy/polyurethane paint finish, and porcelain oil-filled bushings assure durability and resilience against environmental stresses, making it well-suited for demanding power distribution scenarios.

FAQs of 3150 KVA Power Transformer:

Q: How does the 3150 KVA transformer ensure safe operation in industrial environments?

A: Safety is maintained through advanced features including a Buchholz relay for gas and fault detection, a pressure relief valve (PRV) to prevent overpressure, silica gel breather for moisture control, and comprehensive instrumentation like oil level indicators and temperature gauges.

Q: What are the benefits of using Class A/F insulation in this transformer?

A: Class A/F insulation ensures better thermal stability and longevity, allowing the transformer to operate efficiently across a wide temperature range, from -20C to +55C, without compromising safety or performance.

Q: When should the tap changer be operated, and what is its range?

A: The off-circuit tap changer should be used when the transformer is de-energized to adjust the voltage. It offers a tap range from +5% to -10% in 2.5% increments, allowing you to adapt output voltage to varying load requirements.

Q: Where can this transformer be installed, considering its specifications?

A: Designed for indoor or outdoor substations, it can be installed at locations up to 1000 meters above sea level, making it suitable for most industrial and utility power distribution sites nationwide.

Q: What is the process for cooling in this transformer, and how does it maintain efficiency?

A: The ONAN cooling system (Oil Natural Air Natural) circulates oil and air naturally to dissipate heat, maintaining the transformers high efficiency of 98.5% even under full load conditions.

Q: How does the vector group Dyn11 support power distribution networks?

A: The Dyn11 vector group offers delta-star winding connection, which balances load and reduces neutral point shiftingideal for industrial power distribution requiring stable voltage and phase displacement.

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