Special Transformers for Industrial Applications

Special Transformers for Industrial Applications


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Place of Origin
China
Payment Terms
Negotiable
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
transformer
Category
Passive Components

Henan Tinde Power Co.,Ltd.

Membership
BIZ
Country / Year Established
China China / 2008
Business type
Manufacturer
Verified Certificate

7

Product name Special Transformers for Industrial Applications Certification -
Category Passive Components Ingredients -
Keyword transformer Unit Size -
Brand name - Unit Weigh -
origin China Stock -
Supply type - HS code -

Product Information

 

A number of industry applications require specific industrial transformers due to the usage of power (current) as a major resource for production. Electric arc furnaces (EAF), ladle furnaces (LF) and high-current rectifiers need a specific design to supply the necessary power at a low voltage level. These transformer types, as well as transformers with direct connection to a rectifier are called special-purpose or industrial transformers, whose design is tailor-made for high-current solutions for industry applications.

4-1 Electric arc furnace transformers

EAF and LF transformers are required for many different furnace processes and applications. They are built for steel furnaces, ladle furnaces and ferroalloy furnaces, and are similar to short or submerged arc furnace transformers (fig. 5.6-1). EAF transformers operate under very severe conditions with regard to frequent overcurrents and overvoltages generated by short-circuit in the furnace and the operation of the HV circuitbreaker. The loading is cyclic. For long-arc steel furnace operation, additional series reactance is normally required to stabilize the arc and optimize the operation of the furnace application process.

Specific items

EAF transformers are rigidly designed to withstand repeated short-circuit conditions and high thermal stress, and to be protected against operational overvoltages resulting from the arc processes. The EAF reactors are built as 3-phase type with an iron core, with or without magnetic return circuits.

Design options

Direct or indirect regulation

On-load or no-load tap changer (OLTC/NLTC)  

Built-in reactor for long arc stability

Secondary bushing arrangements and designs

Air or water-cooled

Internal secondary phase closure (internal delta)

 

4-2 DC electric arc furnace transformers

Direct-current electric arc furnace (DC EAF) transformers are required for many different furnace processes and applications. They are built for steel furnaces with a Thyristor rectifier. DC EAF transformers operate under very severe conditions, like rectifier transformers in general but using rectifier transformers for furnace operation. The loading is cyclic.

4-3 Rectifier transformers

Rectifier transformers are combined with a diode or Thyristor rectifier. The applications range from very large aluminum electrolysis to various medium-size operations. The transformers may have a built-in or a separate voltage regulation unit. Due to a large variety of applications, they can have various designs up to a combination of voltage regulation, rectifier transformers in double-stack configuration, phase-shifting, interphase reactors, transductors and filter-winding.

Specific items

Thyristor rectifiers require voltage regulation with a no-load tap changer, if any. A diode rectifier will, in comparison, have a longer range and a higher number of small voltage steps than an on-load tap changer. Additionally, an auto-connected regulating transformer can be built in the same tank (depending on transport and site limitations).

Design options

Thyristor or diode rectifier

On-load or no-load tap changer (OLTC/NLTC)/filter winding

Numerous different vector groups and phase shifts possible

Interphase reactor, transductors

Secondary bushing arrangements and designs

Air or water-cooled

4-4 Converter transformers

Converter transformers are used for large drive application, static voltage compensation (SVC) and static frequency change (SFC).

Specific items

Converter transformers are mostly built as double-tier, with two secondary windings, allowing a 12-pulse rectifier operation.

Such transformers normally have an additional winding as a filter to take out harmonics. Different vector groups and phase shifts are possible.

 

Bringing the energy safely to the consumer: A basic requirement applicable to all Power Transformers. However, every single one is unique designed according to individual factors such as voltage, power, climate, system topography, sound level and many more.

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Henan Tinde Power Co.,Ltd.

Country / Year Established
China China / 2008
Membership
BIZ
Business type
Manufacturer

7

President
Cathy Lee
Address
15th Floor,Block D,Building 18,No.283 Xisanhuan Road, High-Tech District, Zhengzhou City, Henan Province,P.R.China.
Product Category
Communication Cables,Electrical Wires,Power Cables,Wires & Cables
Year Established
2008
No. of Total Employees
51-100
Company introduction

 

COMPANY PROFILE
Henan Tinde Power Co., Ltd., located at Hi-new-tech Industry Zone, is a high technology company with more than 20 years’ manufacturing experience. The company focuses on R&D, design and producing of electrical wires and cables, cable accessories, transformers, distribution cabinet box, transmission tower, hardware, and other electricity related products, and continuously provides complete electricity solutions for customers from domestic and abroad.
 
ACHIEVEMENT
Tinde Power products are widely used in industries of power line, expressway, railway, petrochemical, coal, communication, and etc. Tinde Power is well recognized with its good quality products and premium services.
the company passed certificates of ISO 9001, ISO 14001, and OHSAS 18001 in 2015, and established a sound management control system covering information flow, human resource flow, resource flow, and good and material flow to meet the requirement of the times.
 
TECHNICAL STRENGTH
The company puts great importance on the R&D and producing of new technology and new products. It has its own R&D center and production base. The main business of the company is sales and production of various kinds of power cables (bare conductors, overhead insulated cables, control cables, LV MV HV power cables, and etc.), cable accessories, Oil immersed power transformers, dry type power transformers, all kinds of electricity towers (linear towers, tension towers and special towers) and various kinds of electricity accessories. We can also design and produce customer tailored products to satisfy all kinds of market requirement in the power grid field.
 
RESEARCH & DEVELOPMENT
To ensure continuous development, satisfy all customer requirements and enhance the core competitiveness, we have recruited a large number of talents and graduates in the electricity industry to join in the company, and in the future we have plan to send the selected technical staff to overseas’ customers’ factory for further study of new design concept, industry development status, and advanced technology, and to create a high level R&D team.
At present, the company has already provided services for fields of energy (power grid,, coal mine, petrochemical, and etc.), traffic (railway and city rail transit, ships and ports, and etc.), engineering (engineering construction, steel, metallurgy, construction and etc.), and has exported wires and cables to more than 50 countries and areas such as Middle and South America, Oceania, Middle East, South East Asia, Africa, and etc. 
With so many honors, Tinder Power will continuously take customer’s satisfaction as its aim. We will expand the service market, improve service quality, optimize the industrial structure, and continuously improve the quality and efficiency, and strive to build the company to become the industry benchmark worldwide, and continuously move forward to the ambitious goal of "global provider of integrated power solutions”.

 

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