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Power saving more than 30%
Efficiency more than 85%
HMI and fault diagnosis system
Professional D&R team
aluminium pipe high frequency thyristor H F welding equipment
The features of solid state high frequency welder
1.Using new type electronics components (SCR,IGBT,MOSFET) as switch device of induction heating power, ithas the advantage of control simple and high efficiency,the whole efficiency more than 85% and power saving more than 30% compared with the vacuum tube,its the ideal choice to replace the vacuum tube induction heating power supply.
2.Semiconductor spare parts have no life limit, reduce the normal maintenance costs.
3.Use PLC and HMI link the power and production line real time monitor the whole production line.
4.Rectifier circuit using single-chip digital phase control technology, high integration, strong anti-jamming capability.
5.Inverter circuit using a new type of integrated circuit, phase lock control precision, the inverter circuit has strong ability to adapt the changes in load.
6.There have production in the rectifier and inverter circuit that insure the equipment and spare parts operation efficiency and safety.
7.All the equipment have short circuit;open circuit,connect ground, over current, over voltage and cooling system temperature testing before delivery which make the equipment running stable and safe.
8.Rectifier cabinet and inverter output cabinet adopt soft connection, this make installation and output way more easy.
The whole set of solid state H.F. welder comprises of switchgear rectifying cabinet, inverter output cabinet, connecting optical fiber, circulation soft water cooling system, central operator console, mechanical adjustment device, contact welding pole plate and contact pin (contact welding) and etc.
Designed with integration of switchgear cabinet and rectifying part, besides achieving switchgear cabinet functions, it also has rectifying control functions of solid state H.F. welders.
Installed line-in switch, line-in current meter, voltage meter (can be switched) and line-in voltage indication lamp.
Installed 3-phase full-controlled thyristor Rectification Bridge to realize power adjustment of the HF welder.
Installed flat-wave reactor, flat-wave capacitor and filter to improve the flat-wave coefficient.
Inverter output cabinet
The inverter part is consisted of MOSFET single-phase inverter bridge connected in parallel. The power of single-phase bridge is 120kW; the inverter bridge adopts the building block method to realize power superposition. Every piece of bridge plates is designed in the shape of a drawer, which is very easy to install and repair.
The matching transformer is adopted for power combination, also it adopts the output method by of secondary resonance and non-welding transformer, tank circuit resonance capacitor (low voltage) resonates with the sensor directly, and the output pole plate offers required power transmission for pipe welding.
Adopted sealed equipment case, installed with air conditioner.
It realizes solid state H.F. welder remote operation and power regulation, installed with LCD which indicates armature voltage, field voltage indication and of DC drive and DC voltage, DC current indication of H.F. welders.
circulation soft water is used as cooling water with temperature and water level indicator and protection.
Mechanical adjustment device
Applied to install inverter output cabinet and adjust inductor position.
3.Detail picture show
3.1 Switch rectifying cabinet detail picture
3.2 Inverter putput cabinet
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