Dry Type Transformer

300000 INR/Piece

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Product Details:

Cooling Type AN/AF (Air Natural/Air Forced)
Standard IS 11171, IEC 60076
Operating Temperature Up to 115C rise
High Voltage Up to 33 kV
Voltage Booster Type Step Down/Step Up
Dimension (L*W*H) According to capacity (Example: 1700x1200x1600 mm for 1000 kVA)
Low Voltage 400 V/433 V
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Dry Type Transformer Price And Quantity

Minimum Order Quantity 1 Piece
Price 300000 INR/Piece

Short Circuit Impedance 4% - 6% (typical)
Insulation Class Class F / Class H
Dielectric Strength Withstands lightning and impulse voltages up to test levels
Relative Humidity Up to 95%
Noise Level < 65 dB at 1 meter
Core Type CRGO M4/M5 Grade Laminated Core
Cooling Fan Provision Available (for forced cooling models)
Harmonic Tolerance Suitable for non-linear loads (with optional K-factor design)
Fire Safety Compliance Self-extinguishing (flame retardant) encapsulation
Mounting Type Floor Mounted
Tap Changer Off Circuit Tap Link (±5% in 2.5% steps)
Winding Connection Dyn11, Yyn0 or as specified
Protection Level IP 23 (can be customized)
Overload Capacity Can withstand 120% overload for 1 hour
Ambient Temperature -25°C to +40°C
Duty Cycle Continuous

Dry Type Transformer Product Specifications

Material Copper/Aluminum
Cooling Type AN/AF (Air Natural/Air Forced)
Usage Industrial Power Distribution
Standard IS 11171, IEC 60076
Operating Temperature Up to 115C rise
Frequency (MHz) 50/60 Hz
High Voltage Up to 33 kV
Voltage Booster Type Step Down/Step Up
Dimension (L*W*H) According to capacity (Example: 1700x1200x1600 mm for 1000 kVA)
Low Voltage 400 V/433 V
Power Scope Up to 2500 kVA
Weight Varies with Capacity (Example: 1500 kg for 1000 kVA)
Coil Number Multiple windings
Efficiency 98% or higher
Load Loss According to IS 1180 & IEC standards
Coil Structure Toroidal
Coil Material Copper or Aluminum
Output Customizable according to requirement
Product Type Dry Type Transformer
Capacity From 50 kVA up to 2500 kVA
Phase Three Phase
Rated Voltage 11/0.433 kV or as required

Short Circuit Impedance 4% - 6% (typical)
Insulation Class Class F / Class H
Dielectric Strength Withstands lightning and impulse voltages up to test levels
Relative Humidity Up to 95%
Noise Level < 65 dB at 1 meter
Core Type CRGO M4/M5 Grade Laminated Core
Cooling Fan Provision Available (for forced cooling models)
Harmonic Tolerance Suitable for non-linear loads (with optional K-factor design)
Fire Safety Compliance Self-extinguishing (flame retardant) encapsulation
Mounting Type Floor Mounted
Tap Changer Off Circuit Tap Link (±5% in 2.5% steps)
Winding Connection Dyn11, Yyn0 or as specified
Protection Level IP 23 (can be customized)
Overload Capacity Can withstand 120% overload for 1 hour
Ambient Temperature -25°C to +40°C
Duty Cycle Continuous

Dry Type Transformer Trade Information

FOB Port kolkata
Payment Terms Letter of Credit (L/C), Letter of Credit at Sight (Sight L/C), Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque, Cash Advance (CA)
Supply Ability 100 Piece Per Week
Delivery Time 15 Days
Packaging Details Standard
Main Export Market(s) Middle East, Africa, Asia
Main Domestic Market All India
Certifications ISO 9001:2015

Product Description

The Dry Type Transformer uses air for the cooling of the device and is safer option as compared to oil type which is widely used in transportation hubs and company buildings. This system is highly effective and are resistant to chemical contaminants as they do not contain any liquid medium for cooling. The windings and core of the dry type transformer are kept within a sealed tank that is pressurized with air. It is an efficient system with a high mechanical strength and are free from temperature fluctuations. There is very less requirement of maintenance and the device is less prone to the fire hazards.

Reliable & Safe Operation

Designed to meet IS 1180, IS 11171, and IEC 60076 standards, the transformer ensures safety through its fire-resistant self-extinguishing encapsulation, robust dielectric strength, and adherence to strict insulation classes. Continuous duty with an overload margin makes it a dependable choice for various applications.

Flexible & Customizable Solutions

Our transformer offers broad customization, from winding connections, coil structure, and material (copper/aluminum) to input/output voltages and capacity. The protection level and cooling systems (AN/AF with fan provision) can be tailored, ensuring best fit for unique site or process requirements.

FAQs of Dry Type Transformer:

Q: How does the dry type transformer ensure safety in demanding environments?

A: This transformer uses a self-extinguishing (flame-retardant) encapsulation and robust insulation (Class F / Class H), meeting IS 11171 and IEC 60076 standards. Its protection level (IP23, customizable) shields against dust and water spray, making it suitable for industrial applications where fire and environmental safety are essential.

Q: What is the typical process for customizing a dry type transformer for specific industrial needs?

A: To customize your transformer, specify capacity (502500 kVA), voltage requirements (up to 33 kV high voltage, 400V/433V low voltage), winding connections (Dyn11, Yyn0, etc.), cooling method (AN/AF, fan provision), and special features like K-factor design. Manufacturers will design and build the unit to your process parameters and site conditions.

Q: When should forced cooling be considered for the dry type transformer?

A: Forced cooling (Air Forced, AF) is recommended if your application involves high loading or if the transformer will frequently operate near its maximum rated capacity. This feature enhances heat dissipation, ensuring transformer longevity and reliability under demanding operating conditions.

Q: Where can these transformers be installed, and what site conditions are suitable?

A: These dry type transformers are ideal for indoor or sheltered industrial environments with ambient temperatures from -25C to +40C and relative humidity up to 95%. Floor-mounted designs make them suitable for stable, level surfaces. Customizable dimensions and IP protection ensure adaptability to various facility layouts.

Q: What are the primary benefits of using a dry type transformer in industrial power distribution?

A: Key advantages include high efficiency (98%+), low maintenance due to the absence of oil, superior fire and environmental safety, noise levels below 65 dB, overload capacity (120% for 1 hour), and strong resistance to harmonics with optional K-factor designs. Custom configurations further enhance process compatibility.

Q: How does the tap changer function contribute to voltage regulation?

A: The off-circuit tap link allows adjustment of the output voltage in 5% increments (2.5% steps), enabling fine-tuning of supply voltage to match load requirements or compensate for voltage drops, thus maintaining stable and reliable output for sensitive equipment.

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Other Products in 'Dry Type Transformers' category

Three Phase Dry Type Transformer Price : 300000 INR/Piece Minimum Order Quantity : 1 Voltage Booster Type : Other, Automatic / Manual (as required) High Voltage : 11 kV Dimension (L*W*H) : 1200 x 750 x 1500 mm Operating Temperature : 25C to +40C Frequency (MHz) : 50 Hertz (HZ) Usage : Industrial Standard : IS 11171, IEC 60076 Cooling Type : AN (Air Natural) Material : Mild Steel Product Type : Dry Type Transformer Capacity : 250 kVA (standard, customizable) Phase : Three Phase Rated Voltage : 11 kV / 0.415 kV Coil Structure : Toroidal Load Loss : 1400 W Output : Customizable as per requirement Coil Material : Other , Copper / Aluminum Weight : Approx. 1000 kg (varies by rating) Coil Number : Double Winding Efficiency : 9899% Low Voltage : 415 V Power Scope : Up to 2500 kVA

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