OCTC Distribution Transformer

Name: OCTC Distribution Transformer
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 687000.00 INR
Availability: InStock

687000.00 INR/Unit

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Product Details:

Operating Temperature 25C to +45C
Dimension (L*W*H) Depends on rating (e.g., 1900 x 1200 x 1700 mm for 1000 kVA)
Cooling Type ONAN (Oil Natural Air Natural)
Voltage Booster Type On-Load Tap Changer (OCTC)
Load Loss As per IEC/IS standards, e.g., 2300 W at 1000 kVA
Capacity Various; Commonly 100 kVA, 250 kVA, 500 kVA, 1000 kVA, 1600 kVA, 2500 kVA
Rated Voltage 11 kV / 433 V
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OCTC Distribution Transformer Price And Quantity

Minimum Order Quantity 1 Unit
Price 687000.00 INR/Unit

Paint Type Epoxy or Synthetic Enamel with Powder Coating
Protection Level IP 33 / IP 44 (as required)
Earthing Terminal Double for safety
Buchholz Relay Provided on request
Dielectric Strength Oil Dielectric Strength > 60 kV
Standards IS 1180 / IEC 60076 compliant
Impedance Voltage 4% - 7% depending on rating
Tap Changing Range +5% to -5% in 2.5% steps
No Load Loss As per IS 1180 standard
Mounting Wheel or Plinth Mounted
Insulation Class Class A or F as per application
Winding Type Copper Wound (optionally Aluminum)
Core Type CRGO Lamination Core

OCTC Distribution Transformer Product Specifications

Efficiency 98% nominal
High Voltage 11000 V
Coil Material Copper
Low Voltage 433 V
Load Loss As per IEC/IS standards, e.g., 2300 W at 1000 kVA
Voltage Booster Type On-Load Tap Changer (OCTC)
Cooling Type ONAN (Oil Natural Air Natural)
Power Scope Up to 2500 kVA
Product Type Oil Cooled Transformer (OCTC)
Usage Power Distribution
Material Copper, Silicon Steel Core
Rated Voltage 11 kV / 433 V
Coil Structure Layer or Disc Wound
Frequency (MHz) 50 Hz
Output As per rating (typically 11 kV/433 V)
Dimension (L*W*H) Depends on rating (e.g., 1900 x 1200 x 1700 mm for 1000 kVA)
Phase Three Phase
Operating Temperature 25C to +45C
Coil Number 2 (Primary & Secondary)
Capacity Various; Commonly 100 kVA, 250 kVA, 500 kVA, 1000 kVA, 1600 kVA, 2500 kVA
Weight Approx. 800 - 2500 kg (varies with rating)

Paint Type Epoxy or Synthetic Enamel with Powder Coating
Protection Level IP 33 / IP 44 (as required)
Earthing Terminal Double for safety
Buchholz Relay Provided on request
Dielectric Strength Oil Dielectric Strength > 60 kV
Standards IS 1180 / IEC 60076 compliant
Impedance Voltage 4% - 7% depending on rating
Tap Changing Range +5% to -5% in 2.5% steps
No Load Loss As per IS 1180 standard
Mounting Wheel or Plinth Mounted
Insulation Class Class A or F as per application
Winding Type Copper Wound (optionally Aluminum)
Core Type CRGO Lamination Core

OCTC Distribution Transformer Trade Information

Supply Ability 500 Unit Per Month
Delivery Time 30 Days

Product Description

OCTC Distribution Transformer is a sturdy industrial unit that is specially designed to efficiently increase the generated power and transfer it to the supply line with high safety and negligible power loss. It is designed and developed by our skilled professionals by using premium-grade heavy-duty materials which imparts higher strength and sturdiness that makes it capable to resist electrical impacts and high temperatures. OCTC Distribution Transformer offered by us is fixed with caster wheels to easily move it to different locations.

Product Details

Voltage Ratio	11kV/433V
Usage/Application	Industrial
Number of Phase	3-Phase
Cooling Type	Oil Cooled
Brand	NGG Power Tech
Power Rating	500kVA
Standards	IS-2026
Winding Material	Copper

Designed for Versatility and Performance

This distribution transformer accommodates a wide range of applications, offering rated voltages of 11 kV/433 V and capacities from 100 kVA up to 2500 kVA. Copper and high-grade silicon steel cores ensure reliability and minimal losses, while epoxy or powder coating delivers strong protection against environmental factors. Wheel or plinth mounting options provide installation flexibility.

Advanced Tap Changing and Safety Features

A built-in On-Load Tap Changer (OCTC) allows voltage regulation from +5% to -5% in 2.5% increments under load, ensuring consistent power supply. With optional Buchholz relay and double earthing terminals, enhanced operational safety is achieved. High dielectric strength oil and IP-rated enclosures further support safe and efficient operation.

Compliance and Efficiency Guaranteed

Manufactured in India to IS 1180 and IEC 60076 standards, this transformer is designed for optimal efficiency (nominal 98%) and longevity. Losses adhere strictly to national and international guidelines, maintaining operating temperatures from 25C to +45C for stable, round-the-clock service.

FAQs of OCTC Distribution Transformer:

Q: How is the OCTC Distribution Transformer installed and maintained?

A: The transformer can be installed using either wheel mounting for mobility or plinth mounting for stable positioning. Its powder-coated finish and robust construction facilitate minimal maintenance, requiring periodic inspection of oil levels and dielectric strength.

Q: What distinguishes the On-Load Tap Changer (OCTC) in this transformer?

A: The OCTC allows voltage adjustment from +5% to -5% in 2.5% steps while under load, enabling precise control of output voltage and improving power quality to match varying network requirements.

Q: When is the Buchholz relay option recommended?

A: A Buchholz relay is advised if additional protection against internal transformer faults is needed. It provides early gas detection in oil-filled transformers, which is beneficial for high-stakes installations demanding enhanced safety.

Q: Where can this transformer be deployed effectively?

A: This distribution transformer is suitable for industrial, commercial, and utility settings across India, where voltage transformation and reliable power distribution are essential.

Q: What is the process for selecting the right transformer capacity?

A: Capacity selection depends on load analysis, network voltage, and future expansion plans. Common ratings include 100 kVA, 250 kVA, 500 kVA, up to 2500 kVA, ensuring tailored solutions for different supply demands.

Q: How does copper winding benefit transformer performance?

A: Copper windings offer superior conductivity, lower losses, and increased thermal efficiency compared to aluminum, ensuring enhanced transformer longevity, reliability, and overall efficiency.

Q: What are the key benefits of using this transformer for power distribution?

A: Key benefits include high efficiency (98% nominal), compliance with international standards (IS 1180/IEC 60076), robust construction, versatile mounting, safety features, and reliable performance across diverse climatic and operational conditions.

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