Parallel IGBT Medium/Superaudio Frequency Induction Hating Equipment

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Tianjin
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1 unit
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12 unit/month

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Product Description:

 

Application Scope

 Metal heat penetration, hot forging, heat preservation, composite brazing, metal workpiece shrinkage fitting, metal quenching, annealing, normalizing and tempering.

 

Function Structure

The parallel IGBT medium/superaudio induction heating power supply adopts AC-DC-AC variable frequency power supply structure. The rectifier of the power supply adopts 3-phase thyristor rectifying or diode and IGBT chopper mode. 12-pulse rectifier can be adopted for large power equipment to decrease grid side harmonic current. The inverter adopts high voltage large power IGBT module and large power fast recovery diode to form inverter power unit, to realize large power output through the superposition of inverter power unit. The resonant tank circuit adopts parallel resonance, and parallel, multivoltage or transformer mode can be selected for different load heating.


The whole unit of equipment is composed of parallel 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. DC chopper mode is selected to ensure the grid side power coefficient≥0.92 and a relative lower harmonic content.

3. 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.

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

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


Ø  Full digital control system

1.3-phase rectifier (DC chopper) 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. 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

Rated power coefficient

Rated DC voltage

Rated DC current

Frequency

Scope

Working status

GZP50-2000kW

/0.5-10kHz-B

3AC380V

50/60Hz

0.92

500V

100A

4000A

500Hz

10 kHz

continuous

incontinuous

GZP50-2000kW

/10-20kHz-B

3AC380V

50/60Hz

0.92

500V

100A

4000A

10~

20 kHz

continuous

incontinuous

GCYP50-1000kW

/20-50kHz-B

3AC380V

50/60Hz

0.92

450V

100A

2000A

20~

50 kHz

continuous

incontinuous

* Can be customized according to user’s grid.

 

 

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Q:Should the industrial furnace shell cool down?
Normally, the furnace shell temperature of an industrial furnace is below 50 degrees, so there is no need to cool down.
Q:What's the role of anchor bricks in industrial furnaces?
The wall of an industrial furnace or flue is mainly composed of an inner lining layer, a heat insulating layer and an outer wall layer. The lining is a refractory brick, and the outer wall is an ordinary sintered brick.
Q:Brief introduction to repair of industrial furnace
The working condition of industrial furnace is very bad. It is affected by high temperature, slag erosion and burden wear. Therefore, its working condition changes quickly and its service life is short.
Q:What is the difference in structure between industrial furnace and boiler?
From the way: industrial furnace (electricity, natural gas, gas, induction heating is considered electricity), boilers (coal, all kinds of hot exhaust gas, a variety of gas, seemingly less electricity).
Q:What is the difference between industrial furnace masonry and ordinary masonry?
Of course, the difference is like the difference between a hog cap and a 100 story building. See the industrial furnace manual.
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:How many kinds of industrial electric furnaces are there?
Industrial furnace according to the heating mode is divided into two categories: one is the fuel furnace, combustion heat with solid, liquid or gaseous fuel in the furnace for heating the workpiece; the second is in the furnace, the furnace converts electrical energy to heat the heat.
Q:What is an industrial furnace pit?
Later, a chamber kiln with a semi closed or fully enclosed kiln made of refractory bricks can be used as fuel for coal, gas or oil, and electricity can be used as heat source. The workpiece will be heated in the kiln hearth.
Q:How to use industrial furnace equipment?
If it is water cooling furnace door, but also to ensure the smooth flow of pipes, winter pipes are not frozen. When the boiler is in a limited position, the interlocking device for cutting off the power supply shall be provided when the furnace is in and out, and the number of broken wires in the pitch of the steel wire shall not exceed 10%, and the counterweight of the furnace door shall be reliably hung.
Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
Each manufacturer has its own industry and technological advantages.If you say that the performance rankings, turnover, and so on, it seems that no one has done this ranking.

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