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Medium High Frequency Melting Power Supply - China

price: contact company for price

I. Product Introduction

As a medium- frequency induction melting power supply, IGBT inverting medium ( high) frequency induction melting power supply series adopts three- phase bridge rectification power supply, IGBT power device full bridge inverting and load- matching medium- frequency transformer made of ultracrystallite alloy materials and realizes adjustable medium- frequency output power by LC series resonance working mode. In the entire work process, it adopts power closed- loop control, the working frequency follows the loaded inductance value changes of the induction coil automatically, with whole- course soft switching control, it generates little electromagnetic interference. With its power factor more than 0.92, power conversion efficiency higher than 0.96 and multiple control signal selections, it is really an ideal energy- saving power supply substituting for medium- frequency generating sets and SCR medium- frequency melting power supply.

IGBT medium- frequency induction melting power supply series is convenient to operate and use, has a wide range of phase- lock frequency and adaptable to various induction coils. It can be widely used in vacuum or anti- vacuum metal smelting and electromagnetic levitation melting.

II. Performance Indexes

1. It adopts cabinet- type integrated design or split- type modular design.

2. The medium- frequency transformer adopts ultracrystalline alloy materials and it is characterized by a small size, low losses and a conversion efficiency above 0.95.

3. The resonant capacitor adopts dry- type low- loss film capacitor with the loss angle less than 0.2‰.

4. The power device adopts IGBT, works in the LC series resonance mode and its working frequency has a wide adaptation range.

5. It is easy to operate and use with a 100% starting successful rate and an output power continuously adjustable from 3% to 100% .

6. It has soft start and soft turn- off functions.

7. Adopting power closed- loop control, it has protection functions such as current- limiting, voltage- limiting, power- limiting and phase- deficient, overcurrent, overvoltage and over- temperature protection functions etc.

8. It has an automatic voltage- limiting function, when the output voltage is equal to or greater than 1.1 times of the rated voltage, the voltage will be limited.

9. It has an automatic current- limiting function, when the output current is equal to or greater than 1.1 times of the rated current, the current will be limited.

10. The power factor is more than 0.92 and the conversion efficiency of power supply is higher than 0.96.


Company Contact:


  • Phone: 86051258105999

  • Address: Province Industrial Zone(South),Zhangjiagang City,, Zhangjiagang, China

  • Email: Email


Published date: October 26, 2014 -

  • Business Description: Jiangsu Eastone Technology Co.,Ltd. Is a high and new tech enterprise in

    research and production of green and effective power supply,which

    undertook national and provincial torch projects for several times and

    obtained multiterms national innovation funds. Our products have high

    power switch power supply, PWM AC voltage regulator, PWM DC front power

    supply,all solid intermeditate frequency and high frequency electric

    source, and intelligent thyristor Ac voltage regulator, hich are used as

    heating and smelting power for new energy and new material industry.

    Just like the numerous enterprises which are involved in global economic integration, Eastone is always making efforts in searching the development road, we have improved and exceeded a lot. Eastone people who are hardworking ,intelligent , open minded and sincere are warmly looking forward to advancing and cooperation with all walks of life relying on the innovation spirit of brave,intelligent, heightened awareness and development, so as to provide the most professional and superior products and services and promote the green power industry.

    Company fully implement ISO9001 international quality management system, always seeking "attention to market demand, technical innovation, strengthen scientific management, abide by the pledge, the pursuit of excellence, and create the industry name brand" quality. Pay close attention to market trends and industry trends, understand customer needs, the use of advanced technology, materials, technology, timely development of high tech new products, constantly updated upgrade products to meet the needs of social development, for walking in the front of peers; relying on science the management of the enterprise management level and product quality is improving, with first class products, low prices, high quality service win the trust of customers, customer satisfaction as the survival of the enterprise would have achieve our commitment to customers. Our aim is to enhance customer satisfaction, enhance corporate image and achieve quality objectives, and create a brand industry to achieve higher business goals.

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