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Parallel solid state high frequency induction welding machine - HF induction heating device - Baoding City Sanfeng Electrial Equipment Co.,Ltd
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HF induction heating device

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Parallel solid state high frequency induction welding machine

Parallel solid state high frequency induction welding machine

The SF-GGP-H solid-state high frequency induction heating equipment manufactured by Baoding City Sanfeng  Electrical Co,. LTD. draws on the strengths of many foreign companies. Based on years of experience in producing traditional high-frequency equipment, it is carefully designed, rigorously screened, and strives for excellence.

Manufactured domestic solid-state HF induction heating equipment that meets the long-term continuous work of the high frequency welded pipe industry and has a high composite resonance mode frequency. 



SF-GGP-H solid-state HF induction heating equipment is an inverter that all uses transistors. The oscillating element adopts a power template structure composed of MOSFET high-power devices. The high-power capacitor bank C, the inductance coil L and the reliable protection control circuit constitute a constant current inverter, which is a full-transistor high-frequency induction heating device

 

The basic principle diagram of the SF-GGP-H solid-state HF induction heating equipment manufactured by our company

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Current inverter (composite resonance)

 

The tank circuit is a composite resonance, that is, a current type inverter. The actual measured voltage waveform is a sine wave, and the current waveform is also a sine wave. This is where the high efficiency of the current type inverter lies. The general voltage type inverter (series Resonance) and the high-frequency voltage and current waveforms of the tube type are not available in the following figure.

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oscillation waveform

SF-GGP-H solid-state HF induction heating equipment is designed to fully consider the particularity of the welded pipe industry (long-term continuous work). The inverter part adopts soft switching characteristic technology and reasonable and accurate tank circuit matching. The harmonic components are greatly reduced, and the voltage and current are both sine waves.

 

Solid high frequency welder design parameters:

Welded pipe material: Q series, J series, X series

Welding shapes: round, rectangular, abnormity

Output power: Pout=100-1800KW

Pipe OD:  To the largest  Φ 508mm

Pipe wall thickness:0.6-18mm

Typical welding speed:20-130m/min

Welding methods:Induction welding,Contact welding if more than 400kW

Overall machine efficiency:   η≈82—85%

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 Equipment components:

1. Rectifier cabinet 1 set,

2.inverter cabinet 1 set,

3.The console 1 set,

4. 1 set of single cooling air conditioner,

5. 1 set of cooling system.

6. Transformer 1 set