Electric Furnace Transformer

Electric furnace transformers are specialized transformers designed based on the working principles, load characteristics and operational features of various electric furnaces. They specifically include: steelmaking arc furnace transformers, ladle refining furnace transformers, electroslag furnace transformers, submerged arc furnace transformers, power frequency furnace transformers and other AC electric furnace transformers, as well as medium frequency induction furnace transformers, silicon carbide, and graphite furnace transformers for DC electric furnaces.

- Industrial electric furnace transformers are mainly classified into three types: resistance furnace transformers, arc furnace transformers and induction furnace transformers.

Hengfengyou electric furnace transformer production standards: One type is the standard electric furnace transformers produced in accordance with the current national standards of China; the other type is the new energy-saving electric furnace transformers developed and manufactured on the basis of the Chinese standard electric furnace transformers.

- Main applications:

• In the metallurgical industry, they are used for smelting high-quality alloy copper and ferroalloys.
• In the chemical industry, they are used for the production of yellow phosphorus, calcium carbide, synthetic resins, etc.
• In the machinery industry, they are used for the smelting of cast steel and cast iron, etc.

- High reliability verified in over 50 countries and regions around the world.

- Mainly sold to markets and regions in East Asia, Central Asia, Southeast Asia, South America, North America, etc.

- Execution standard: IEC 60076 series.

Leading Technology

- Large capacity, low loss, more energy-efficient, and actual measurement exceeds GB and IEC standards

- High-voltage copper tape winding technology, enhancing lightning resistance performance

- Low-voltage copper foil winding technology, with high-quality A-class insulation material, and higher temperature resistance grade

- Low magnetic leakage, high mechanical strength, and strong short-circuit resistance

- 45° full skew lap joint step lamination structure of the core

Shell

- The precision of processing is guaranteed by Japanese Mitsubishi laser cutting machines and CNC punching, shearing, and bending equipment.

- ABB robots perform automatic welding, and laser detection is used to avoid any missed spots, with a qualification rate of 99.99998%.

- Electrostatic powder coating treatment ensures no paint peeling for 30 years (the coating has a corrosion resistance of over 100 hours and a hardness of ≥ 0.4).

- Fully sealed structure, maintenance-free and repair-free, with a normal operating lifespan of over 30 years.

Core

- The core material is high-quality cold-rolled grain-oriented silicon steel sheets insulated with mineral oxide (from Baosteel and Wuhan Iron and Steel in China).

- Through the control of the process of shearing and stacking the silicon steel sheets, the loss level, no-load current and noise are reduced to the minimum.

- The core is specially reinforced to ensure the transformer structure is reliable during normal operation and transportation.

Windings

- The low-voltage windings are made of high-quality copper foil, offering excellent insulation and withstand performance.

- The high-voltage windings are typically wound with insulated copper wire, using the patented technology of Hengfengyou Electric.

- They have a very good capacity to withstand radial stress caused by short circuits.

- Silicon steel sheets produced by Baosteel and Wuhan Iron and Steel Corporation

- High-quality oxygen-free copper produced in China

- High-quality transformer oil (25#) of China National Petroleum Corporation (Kunlun Oil)

Thanks to the patented technology of "ultra-low loss energy-saving power transformer" by Hengfengyou Electric, it is possible to save 5% of materials. The transformer's loss is 10-20% lower than similar products in the market, making it more energy-efficient and environmentally friendly.

- Note: Voltage, capacity, frequency, connection group and loss can all be customized according to customer requirements.

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