Porcelain Bushing in Transformer

Porcelain Bushing in Transformer

Porcelain bushing in transformer is a core insulation and conductive lead-out component for oil-immersed transformers, undertaking conduction, insulation and mechanical support functions.
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Description

Hebei Anmei Electrical Equipment Co., Ltd. is one of the most reliable manufacturers and suppliers of porcelain bushing in transformer in China, also supports customized service. If you're going to buy high quality porcelain bushing in transformer made in China, welcome to get quotation from our factory.

 

Product Details

Porcelain bushing in transformer is a core component for insulation and conductive lead-out of transformers, mainly used to lead the high and low voltage winding leads inside the transformer out of the oil tank, undertaking three core functions of conduction, insulation and mechanical support. The product is made of high-purity electrical porcelain material for the main insulation structure, assembled with high-quality conductive rods and seals. It is widely suitable for various oil-immersed transformers, and can meet the matching needs of transformers in power transmission and distribution, industrial and mining power distribution, power station transformation and other scenarios. As a key part to ensure the stable operation of transformers, it relies on excellent high-voltage insulation performance and reliable structure to effectively eliminate potential safety hazards such as transformer leakage and breakdown, and achieve stable power conduction and output. Featuring outstanding weather resistance and corrosion resistance, it adapts to complex outdoor operating environments stably.

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Product Technical Parameters

 

 

1

Rated Voltage: 10kV-220kV conventional specifications, special voltage levels can be customized

2

Rated Current: Full coverage from 630A to 8000A, suitable for transformers of different capacities

3

Insulation Material: High-strength alumina electric porcelain, bending strength ≥120MPa

4

Creepage Distance: 25mm/kV-40mm/kV, meeting the use of environments with different pollution levels

5

Execution Standards: Compliant with IEC60137 and GB/T12707 international and domestic dual standards

6

Sealing Performance: Adopting oil-resistant rubber seals, leakage rate ≤0.1%, service life of more than 15 years

7

Ambient Adaptation: Operating temperature range -40℃ to +85℃, suitable for indoor and outdoor harsh environments

 

Product Features

Premium Insulation Material:

Adopt high-grade alumina electric porcelain, with stable insulation performance, strong dielectric strength, and effectively avoid insulation aging and breakdown under long-term high-voltage operation.

 

01

Excellent Sealing & Durability:

Adopt integrated sealing structure and high-quality corrosion-resistant seals, completely prevent oil leakage and moisture intrusion, with strong anti-aging and anti-fouling ability.

02

High Mechanical Strength:

The porcelain body has high bending and impact resistance, can withstand external mechanical stress and temperature change stress, and operate stably without damage.

03

Wide Adaptability:

Complete specifications and models, support customized design according to transformer capacity, voltage level and installation environment, with strong universality.

04

Safe & Reliable:

Strictly tested for insulation, sealing and mechanical properties, with stable product quality, low failure rate, and escort for the safe operation of power transformers.

05

 

Company Advantages

 

 
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Advantages of Hebei Anmei Electrical Equipment Co., Ltd.

Hebei Anmei Electrical Equipment Co., Ltd. is a professional manufacturer specializing in R&D, production and sales of transformer accessories and high-voltage insulation components. With years of industry experience, the company has introduced advanced production equipment and precision testing instruments, built a standardized production line, and strictly controls every production link from raw material selection to finished product delivery in accordance with international quality management systems. We have a professional R&D team that can carry out targeted product design and optimization according to customer needs, and provide customized solutions. Our porcelain bushing products have passed multiple authoritative certifications, with stable quality and cost-effective advantages, and are sold well at home and abroad. The company adheres to the business philosophy of "quality first, customer foremost", and provides customers with comprehensive pre-sales consultation, in-sales technical support and after-sales maintenance services, winning the trust and praise of global customers.

 

Why Choose Us

 

Complete production facilities

Owning precision a pressure gelling machine, oven, forging equipment, fine polishing machine, precision lathe, milling and drilling machine, roller press and other advanced equipments. Our technicians will do regular scheduled maintenance on these machines to guarantee them work well.

01

High-quality raw material

We mainly choose high-purity alumina electric porcelain and high-quality T2 copper for conductive parts

02

Short Delivery time

If one container takes 15-20 days. We also stock some standard-sized porcelain bushings in transformer, if you need 3-5 pcs, we can delivery soon.

03

Safe packing

Porcelain bushings in transformer will be packed with seaworthy package or in wooden case.

04

Best after-sale service

Our main market is Southeast Asia, Middle East and Europe, and all products are trusted by domestic and foreign customers.

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Production Process

 

1

 

01

Raw materials

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Conductive rod/shovel surface production

3

 

03

Welding and surface treatment

4

 

04

High-temperature firing

product-1279-1706

 

05

Sampling inspection and flaw detection

6

 

06

Dimensional inspection

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Packaging

product-881-1174

 

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Transportation

Company profile
 

Anmei Electric is a high-tech enterprise with over 30 years of deep engagement in transformer bushings. It specializes in R&D, production and sales of bushings for oil-immersed transformers of 40.5KV and below, boasting diverse products compliant with global standards, superior production capacity and quality control. Its products are exported to dozens of countries, widely used in power transmission & transformation and new energy scenarios, meeting the needs of global energy transition.

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01

Profound Industry Experience

Over 30 years of focus on bushings, solid technical strength, and focus on core scenarios of medium and low-voltage power transmission & transformation and new energy supporting facilities

02

Diversified Product System

A full range of bushing types, compliant with international standards (US, EU, Australia, Germany, etc.); special models for wind and solar transformers adapted to harsh new energy working conditions

03

Efficient Production Capacity Response

Supported by automated production lines, daily output of over 2,000 sets, capable of quickly undertaking large orders and customized demands

04

Improved Quality Control System

Certified by multiple international systems, closed-loop management of the whole process, and product quality recognized by the global market

 

FAQ

Q: What are the key specifications of the porcelain bushing in transformer?

A: Rated voltage: 10kV-220kV conventional specifications; Rated current: 630A to 8000A; Insulation material: high-strength alumina electric porcelain, bending strength ≥120MPa; Creepage distance: 25mm/kV-40mm/kV; Execution standards: IEC60137 and GB/T12707; Sealing performance: oil-resistant rubber seals, leakage rate ≤0.1%; Ambient adaptation: -40℃ to +85℃.

Q: What is the main application of this product?

A: It is mainly used for oil-immersed transformers, leading the high and low voltage winding leads inside the transformer out of the oil tank, undertaking conduction, insulation and mechanical support functions. Widely used in power transmission and distribution, industrial and mining power distribution, power station transformation and other scenarios.

Q: Where is the product manufactured, and what certifications does it have?

A:It is originally produced in Hebei, China, and has obtained ISO9001, ISO14001 and other relevant certifications. The product complies with IEC60137 and GB/T12707.

Q: What are the payment terms and delivery time?

A: Payment terms: TT, LC; Delivery date: Negotiable. For one container, delivery takes 15-20 days; small orders (3-5 pcs) can be delivered soon with stock.

Q: What tests does the product pass, and what raw materials are used?

A: Tests include dielectric tests, mechanical strength tests, environmental test, X-ray test, etc.; Raw materials: high-purity alumina electric porcelain and high-quality T2 copper.

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