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Hermetically Sealed Transformer

Name: Hermetically Sealed Transformer
Brand: NGG POWER TECH INDIA PRIVATE LIMITED
Price: 525000.00 INR
Availability: InStock

Price 525000.00 INR/ Unit

Get a Price/Quote

MOQ : 1 Unit

Hermetically Sealed Transformer Specification

Operating Temperature
-25C to +50C

Coil Material
High Grade Enameled Copper/Aluminium

Low Voltage
Up to 0.433 kV

High Voltage
Up to 36 kV

Rated Voltage
11 kV / 33 kV

Capacity
Varies as per Model (100 - 5000 kVA)

Cooling Type
ONAN (Oil Natural Air Natural)

Voltage Booster Type
Step-up / Step-down

Load Loss
As per IS 1180/IEC 60076

Dimension (L*W*H)
Customizable as per Rating

Product Type
Hermetically Sealed Oil-Filled Transformer

Material
Copper / Aluminium Winding, Core made of Cold Rolled Grain Oriented (CRGO) Silicon Steel

Output
Customizable as per requirements

Frequency (MHz)
50 Hz

Efficiency
Up to 99%

Phase
Three Phase

Usage
Power Distribution, Industrial, Commercial, Utility Applications

Coil Structure
Layer/Disc Type

Coil Number
Double Winding

Power Scope
100 kVA to 5000 kVA

Weight
Approx. 1500 kg to 8000 kg (Varies as per Capacity)

Design Standard
IEC 60076 / IS 1180

Mounting Type
Floor Mounted

Enclosure Type
Hermetically Sealed, Oil-immersed

Ambient Temperature Limit
Up to 50C

Altitude Suitability
Up to 1000 meters above sea level

Fitting/Accessories
Primary and Secondary Bushings, Oil Level Indicator, Thermometer Pocket, Lift Lugs, Earthing Terminal

Percentage Impedance
4% to 6% (as per rating)

Painting/Coating
Anti-corrosive Epoxy Coating

Oil Type
Mineral Oil (IEC 60296/IS 335 conformant)

Insulation Class
Class A or F

Core Type
Cold Rolled Grain Oriented (CRGO) Silicon Steel

Protection Grade
IP54

Noise Level
< 50 dB at 1 meter distance

Hermetically Sealed Transformer Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
500 Units Per Month

Delivery Time
30 Days

Main Domestic Market
All India

About Hermetically Sealed Transformer

Hermetically Sealed Transformer is a sturdy and compact powerhouse that is specially designed for the safe and efficient working of power distribution systems. It can be used in various heavy industrial applications to easily change the levels of electrical signals as per the requirement of the machines in which they are going to be supplied. Hermetically Sealed Transformer is capable to run for a longer period as there is very little risk of damages to the inner circuit elements.

Advanced Hermetic Sealing for Lasting Performance

Our transformers feature cutting-edge hermetic sealing, which minimizes oil contamination and moisture ingress, enhancing operational reliability and lifespan. With an IP54 protection grade, these transformers are shielded from dust and water spray, making them ideal for challenging installation conditions, whether in urban utility networks or industrial setups. The sealed design also ensures reduced routine maintenance and consistent dielectric performance over time.

Built to International Standards for Flexible Application

Conforming to IEC 60076 and IS 1180, our transformers guarantee high safety, performance, and consistency, regardless of scale or scope. Customizable voltage, capacity, and dimensions allow seamless integration into your facility, whether you require step-up or step-down voltage transformation. With robust anti-corrosive epoxy paint, they withstand harsh climates and are suitable for altitudes up to 1000 meters, ensuring enduring service across India and global installations.

FAQs of Hermetically Sealed Transformer:

Q: How does a hermetically sealed transformer differ from conventional oil-immersed transformers?

A: Hermetically sealed transformers feature an airtight enclosure, preventing the ingress of moisture and air into the oil tank. This eliminates the need for a breather and significantly reduces the risk of oil oxidation, sludge formation, and dielectric breakdown seen in conventional transformers with conservator tanks. As a result, they provide longer service life and require less maintenance.

Q: What are the main benefits of using Class A or Class F insulation in these transformers?

A: Class A and Class F insulation materials enable transformers to operate safely at higher temperaturesup to 105C and 155C respectively. This ensures excellent thermal endurance, reduces the risk of insulation failure, and makes the transformer suitable for areas with ambient temperatures up to 50C, as required in demanding industrial and utility applications.

Q: When and where should these IP54-rated hermetically sealed transformers be used?

A: These transformers are ideal for installations in outdoor and indoor environments exposed to dust, humidity, or water spray, such as industrial sites, commercial buildings, and utility substations. The IP54 rating ensures robust protection against particles and splash water, providing reliable operation in harsh climates and polluted areas.

Q: What process is involved in customizing transformer ratings and features to specific requirements?

A: Customization begins with assessing the clients application, load characteristics, and voltage requirements. Based on these inputs, core material, winding configuration, capacity (1005000 kVA), output voltage, and physical dimensions are tailored to meet site-specific needs. Accessories like oil level indicators, thermometer pockets, and mounting options are added as needed to ensure compatibility and ease of installation.

Q: How does the use of CRGO silicon steel cores and high-grade winding materials enhance transformer efficiency?

A: Cold Rolled Grain Oriented (CRGO) silicon steel cores significantly reduce core losses and increase magnetic permeability. When paired with high-grade enameled copper or aluminium windings, the transformer achieves optimal electrical conductivity and lower losses, resulting in efficiency levels of up to 99% and quieter operation below 50 dB at one meter.

Q: What are the key usage possibilities for these transformers in various sectors?

A: Designed for power distribution, our transformers are suitable for a variety of sectors, including utilities, manufacturing, commercial complexes, and renewable energy setups. Their robust construction and customizable output make them ideal for both step-up and step-down applications in low, medium, and high-voltage distribution networks.

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