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Induction Furnace Transformers
Classification:
Customized transformer
Keywords
Retail price:
Market price:
Number:
a004
Weight:
Remaining stock
隐藏域元素占位
Field of application
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Product Introduction
The induction furnace transformer is the core power supply equipment of the induction heating system. It converts the high-voltage power of the power grid into medium-frequency/power-frequency low-voltage and high-current output, providing precise electromagnetic energy for the induction furnace coil. It is specially used in high-temperature industrial scenarios such as metal smelting (steel, copper, aluminum, etc.), heat treatment, forging heating, etc.
Technical Specification
Rated Capacity 500kVA ~ 40MVA Primary Voltage 6 kV, 10 kV, 33 kV, up to 35 kV(customizable) Secondary Voltage 200V ~ 3000 V (low voltage, high current) Frequency Range 50/60 Hz (Power Frequency) or 50-250 Hz (Medium Frequency) Insulation Class Class F / Class H(selectable) Cooling Methods ONAN (oil-cooled) / AFWF (forced-air cooled) Protection Rating IP54 / IP55 (weather-resistant for outdoor use) Note: Customizable configuration based on furnace power, frequency requirements, and installation environment.
Features
- High Efficiency & Energy Savings
▸ ≥30% lower no-load losses with low-loss silicon steel cores & optimized winding design
▸ Achieves up to 98% load efficiency through precise voltage matching, reducing energy waste
▸ 15% lower total energy consumption vs. industry standards - Uncompromising Reliability
▸ Class H insulation + forced-air/oil-cooling withstands continuous high-temp/high-load operation
▸ Short-circuit resistant construction with multi-protection (overcurrent/overheating/surge)
▸ ≥20-year operational lifespan - Adaptable Design
▸ Customizable specs (0.5-40MVA, ≤35kV primary, 200-3000V secondary)
▸ Compatible with MF/LF power sources & series/parallel resonant furnaces
▸ Supports global voltage standards - Eco-Friendly & Quiet
▸ Full-enclosure noise reduction design (≤65 dB(A) operational sound)
▸ Complies with IEC/IEEE/GB standards & EU CE/RoHS directives
Production Process
1.Core processing
The core is the core of the transformer. Its function is to conduct magnetism and transmit electrical energy. During the production process, the core will be assembled according to the requirements of different types of transformers. The core sheets are precisely cut and stacked to ensure the stability of its shape and structure. The assembled core will be sent to the next winding process.
2.Winding manufacturing and installation
Winding is an important part of oil-immersed power transformers, usually divided into high-voltage winding and low-voltage winding. During the manufacturing process, the winding wire is wound around the core at a specific position by mechanical equipment to ensure that it can efficiently transmit current. At this stage, the insulation of the winding is crucial, so each step needs to be strictly controlled.
3.Insulating liquids
The layer insulation is adapted to the alternating voltage strain that occurs in daily operation. Large-scale oil channels are provided to ensure sufficient cooling of the windings and to avoid hot spots. All leads are short-circuit-proof and surge-proof, contributing to the high reliability of thetransformer – and to an above-average service life.
4.Tank & Cooling
Whether during transport or operation, the tank must remain sealed tight under mechanical stress and regardless of wind or weather. Corrosion protection is especially important. The surface is sandblasted and then multicoated. Upon request, hot-dip galvanization can provide even better protection.
5.Final assembly
The transformer’s core-and-coil assembly consists of the core, windings, and connecting cables. High-quality drying and quick filling with insulation oil play a key role in extending the transformer’s service life.Aisite employs the latest techniques. For example, in vacuum low-frequency plants (LFH – low-frequency heating), the process of drying the solid insulation is combined with vacuum drying of the windings through low-frequency heating. The active part is heated by applying low-frequency current (< 1 Hz) to the high-voltage windings with the low-voltage windings short-circuited. While still in the plant, transformers are filled with preheated insulation liquid which is absorbed by the insulation material, thus preventing the intake of oxygen.
Application
Metal Melting
→ Scrap steel/alloy steel melting → Non-ferrous metal refining (copper, aluminum, etc.) → Precious metal recoveryHeat Treatment Processing
→ Surface hardening of shafts/gears → Through-heating for forging plates → Online annealing of pipesSpecialty Materials Manufacturing
→ Monocrystalline silicon/germanium growth heating → Superalloy melting & casting → Vacuum induction melting (VIM)Green Energy Industries
→ Solar-grade silicon purification → Sintering for Li-ion battery materials → Heat treatment of wind power componentsOur Factory
AISITE Team
Rich Production Experience
With 15-year experience of production and sales, our transformers have been successfully exported to over 50 countries and regions, including Brazil, Tanzania, South Africa, etc.
Full Life-Cycle Support Service
We provide comprehensive technical support at ever stage of operation of your purchased equipment.
Professional Sales Team
Our globally-experienced sales engineers provide tailored power solutions and precise technical guidance, ensuring optional project fit for your specific requirements.
Pursue Innovation and Excellence in Serving Customers
Our technical and sales team are committed to providing customized solutions with cutting-edge technology that solve the toughest challenges facing electricity supply and meet the most stringent needs defined by the industry.
Sale Cases
- High Efficiency & Energy Savings
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