11/433 transformer

11/433 transformer Specification

Capacity
25 kVA to 1000 kVA

Rated Voltage
11 kV/433 V

Voltage Booster Type
Step Down

Operating Temperature
-25C to 50C

Dimension (L*W*H)
Varies by model (typically 1300 x 900 x 1700 mm)

Low Voltage
433 V

Load Loss
As per IS 2026/IEC 60076

High Voltage
11 kV

Cooling Type
ONAN (Oil Natural Air Natural)

Coil Material
High-Grade Copper

Standard
IS 2026, IS 1180

Product Type
Oil-Cooled Distribution Transformer

Material
CRGO Silicon Steel, Copper Windings

Output
433 V

Frequency (MHz)
50 Hz

Efficiency
98% Approx.

Phase
Three Phase

Usage
Power Distribution

Coil Structure
Toroidal

Coil Number
Double Winding

Power Scope
Up to 1000 kVA (varies by model)

Weight
Depends on capacity; typically 800 kg to 1500 kg

Vector Group
Dyn11

Mounting
Base Wheels/Fixed Skid

Protection
Buchholz relay, Oil level gauge, Pressure relief device

Impedance
4.5% to 5% (typical)

Insulating Oil Type
Mineral Oil / Nynas Oil Filled

No Load Loss
As per BIS Norms

Painting
Epoxy coated for rust prevention

Tap Changer
Off Circuit Tap Changer (OCTC)

Terminal Arrangement
Cable Box / Bus Duct / Outdoor Bushing

Enclosure
Mild Steel, Hermetically Sealed

About 11/433 transformer

Find unmatched excellence with the acclaimed 11/433 Transformer, an opulent yet formidable asset for power distribution. Renowned for its high efficiency of 98% and robust design, this sought-after transformer features copper windings, CRGO silicon steel core, and mineral or Nynas insulating oil. With a capacity ranging from 25 kVA to 1000 kVA, it supports three-phase systems at 50 Hz. Protected by Buchholz relay and hermetically sealed enclosure, each unit is meticulously epoxy coated for rust resistance. Reserve the industry's finest for your critical infrastructure needs.

Special Features for Power Reliability

The 11/433 transformer boasts sought-after engineering including double-wound toroidal coils and off-circuit tap changing for precision voltage regulation. With epoxy coating for corrosion resistance and efficient ONAN cooling, this formidable solution ensures operational reliability. Advanced protection like Buchholz relay, oil level gauge, and pressure relief devices add an extra layer of safety. Versatile in application, mounting options include base wheels or fixed skid, while bus duct, cable box, and outdoor bushings make connection seamless, supporting diverse power distribution environments.

Delivery, Valuation, and Payment Terms

Valuation and delivery are prioritized to serve domestic markets efficiently. Each transformer is delivered according to the specified capacity and model, ensuring timelines meet your infrastructure planning. Standard supply ability guarantees timely fulfilment of both small and large orders. Payment terms are flexible, catering to institutional, commercial, and industrial clients. Our streamlined process ensures you reserve a transformer tailored to your needs, with prompt delivery and comprehensive after-sales service for seamless integration into your power network.

FAQ's of 11/433 transformer:

Q: How is the 11/433 transformer protected during operation?

A: The transformer is equipped with a Buchholz relay, oil level gauge, and pressure relief device to provide comprehensive protection against faults and pressure build-up, ensuring operational safety.

Q: What types of mounting arrangements are available for installation?

A: You can choose between base wheels or a fixed skid mount, providing flexibility for a wide range of power distribution site requirements and environments.

Q: Where can this transformer be used most effectively?

A: This transformer is specially designed for power distribution in industrial, commercial, and institutional sectors, adapting seamlessly to domestic market needs.

Q: What is the typical delivery time for the 11/433 transformer?

A: Delivery time depends on the selected model and capacity, but timely shipping is ensured through our robust supply ability and commitment to meeting client schedules.

Q: How does the off-circuit tap changer (OCTC) benefit usage?

A: The OCTC allows for manual adjustment of voltage taps when offline, providing flexibility in managing voltage fluctuations and optimizing transformer performance.