• Serial IGBT Medium/Superaudio Frequency Induction Hating Equipment System 1
  • Serial IGBT Medium/Superaudio Frequency Induction Hating Equipment System 2
Serial IGBT Medium/Superaudio Frequency Induction Hating Equipment

Serial IGBT Medium/Superaudio Frequency Induction Hating Equipment

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 unit
Supply Capability:
12 unit/month

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Application scope

Metal melting, heat penetration, hot forging, heat preservation, metal quenching, annealing, normalizing and tempering.


Function Structure

The series IGBT medium/superaudio frequency induction heating power supply adopts AC-DC-AC variable frequency power supply structure. The rectifier of the power supply adopts 3-phase thyristor rectifying. 12-pulse rectifier can be adopted for large power equipment (above 1000kW) to decrease grid side harmonic current. The inverter adopts high voltage large power IGBT module to form inverter power unit, to realize large power output through the superposition of inverter power unit. The inverter realizes impedance matching and electric isolation through matching transformer. The resonant tank circuit adopts serial resonance, which needs independent design for different load heating.

The whole unit of equipment is composed of serial induction heating power supply, resonant tank circuit, circulation soft water cooling system, console (optional), automatic control system (optional).


Technical Features

     Ø Perfect structure design

1.Integration design of switchgear rectifying cabinet and inverter output cabinet, with compact structure and small size.

2.Power combination of the inverter bridge is accomplished by the way of power unit superposition, which is convenient for installation and repair. Each IGBT power unit is designed to be 100kW or 200kW. Inverter output adopts matching transformer to realize electric isolation of power supply and load with high security and reliability of power supply.

3.With high voltage and small current of inductor, the whole heating efficiency of power supply is higher than parallel power supply.

1.    Resonant tank circuit mode is an independent design as per users actual requirement with convenient and flexible site layout.

2.    High standard electromagnetism compatibility design, electromagnetism radiation meets national standard. Closed cabinet design, meeting rigor environmental requirements on site.

 

Ø Full digital control system

1. 3-phase rectifier adopts high cost performance MCU controlling to realize precise synchronism trigger with high control precision and small grid-side non characteristic harmonic.

2. Resonant inverter adopts CPLD to form full-digital control system that is characterized by their automatic constant angle, high phase-lock precise and wide scope of phase-lock.

3. Adopt inverter side PSM power adjustment technology with strong load adaptability and easy impedance matching. The grid side power coefficient≥0.92 and harmonic content is the relatively lowest.

4. The power supply has perfect protection function with reliable working and low failure rate.


Ø HMI and fault diagnosis system (optional)

1.Adopt PLC and touch screen to form perfect HMI system.

2. Realize integrated automatic control of power supply system.

3. Fault display and diagnosis system.

 

 

Main Technical Parameter

Model

AC input

Power coefficient

Rated DC   voltage

Rated DC   current

Frequency

Scope

Working status

GZP50-2000kW

/0.5-10kHz-C

3AC380V

50/60Hz

0.92

500V

100A

4000A

500Hz

10 kHz

continuous

incontinuous

GZP50-2000kW

/10-20kHz-C

3AC380V

50/60Hz

0.92

500V

100A

4000A

10~

20 kHz

continuous

incontinuous

GCYP50-1000kW

/20-50kHz-C

3AC380V

50/60Hz

0.92

500V

100A

2000A

20~

50 kHz

continuous

incontinuous

* Can be customized according to user’s grid.

Q:What is the difference between industrial furnaces and boilers?
A boiler is a mechanical device for heating water into hot water or steam by the use of heat from fuel or other sources of energy. The original meaning of a pot is a water container heated by fire. The furnace is the place where the fuel is burned. The boiler includes two parts, the cooker and the furnace.
Q:What is an industrial furnace pit?
The creation and development of industrial kilns play an important role in the progress of mankind. Chinese appeared more perfect in the Shang Dynasty copper smelting furnace, furnace temperature is up to 1200 DEG C, up to 0.8 meters in diameter kiln stove.
Q:Should the industrial furnace shell cool down?
The function of furnace shell is beautiful, protective lining, fixed function accessories and so on.
Q:What is the difference between industrial furnace masonry and ordinary masonry?
Furnace industry is not generally Mason walls, needs to have a professional operation and rich construction experience, high level of industrial furnace is difficult to get.
Q:What are the advantages of a vacuum furnace?
Energy consumption is lower than salt bath furnace. Modern advanced vacuum industrial furnace heating chamber is made of high quality heat insulation material and wall, which can concentrate electric heating energy into heating chamber with remarkable energy saving effect.
Q:Why does the burner of industrial furnace burn occasionally?
The general process for burner ignition, blowing furnace, electric spark ignition, solenoid valve, open the gas in case of delayed spark ignition, detection device detects the flame, the controller accepts signal so that the solenoid valve open, gas continuous normal combustion. However, if the ignition fails or the burner fires, the detector cannot detect the flame, which causes the solenoid valve to close and the burner flameout.
Q:Selection of heat preservation material for industrial furnace
In the neutral and oxidizing atmosphere, the tensile strength, toughness and fiber structure can be maintained for long term use. The temperature is 950-1400 centigrade. Excellent chemical stability; excellent thermal stability; excellent tensile strength; low thermal conductivity; low thermal capacity; excellent sound absorption and noise reduction performance.
Q:What is industrial furnace masonry?
Plane construction must level, slope construction must find slope,refractory bricks must be selected and processed according to masonry requirements.
Q:How many kinds of industrial electric furnaces are there?
This series of electric furnace is made of super light refractory fiber. The electric stove and the temperature control cabinet matching use, the controller may automatically or the manual control electric stove temperature, may press the user request to provide the computer table or the computer control, does the multielement temperature measurement, guarantees the product quality. This series of electric furnaces are periodical operation type electric furnaces.
Q:What is the difference in structure between industrial furnace and boiler?
At the same time, the working environment is relatively poor, the structure should be sturdy and durable, the transfer mechanism (generally) to stable and durable low failure rate, the insulation layer must be thick enough and the economy, the steel structure housing materials used to be enough.

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