Well-designed Solid State Hf Tube Welder Automation Grade - 500KW Series connection separated SCR Solid state high frequency welder — ERW Pipe making machine which welding steel tube straight seam – Mingshuo

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Well-designed Solid State Hf Tube Welder Automation Grade - 500KW Series connection separated SCR Solid state high frequency welder — ERW Pipe making machine which welding steel tube straight seam – Mingshuo Detail:

The switch cabinet and rectifier are designed integrally, which not only completes the function of switch cabinet, but also has the rectifier control function of solid-state high-frequency welding machine, which is also called thyristor(SCR) welding machine

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Switch Rectifying Cabinet— main parts of solid state HF Welder

●Install incoming disconnect switch,incoming current meter, voltage meter(switchable) and incoming voltage3 indicating light.

●Install 3-phase full-controllable thyristor rectifying bridge to achieve power regulation of H.F. welders.

●Install flat wave reactor,flat capacitor and filter to increase semi-wave coefficient.

Inverter Output Cabinet–main parts of solid state High Frequency Welder

●The inverter part is consisted of MOSFET single phase invert bridge in parallel style. Each bridge’s design power is 120kW/60kW.We adopt building block mode to pile up power,it’s very convenient to install and maintain because every bridge board is designed as drawer structure consisted of slide way.

●We adopt matching transformer to realize power combination,also we adopt sub-resonance capacitor(low voltage) and inductor to achieve steel pipe welding power transmission by output lead.

●Use sealed box and install overhead air conditioning.

Solid State High Frequency Welder

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HMI and fault diagnosis system

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

●Realize integrated automatic control of welder system.

●Fault display and diagnosis system.

Main Design Index of Solid State H.F. Welder
Output power	500kw
Rating Voltage	450V
Rating Current	1250A
Design Frequency	200~300kHz
Electricity Efficiency	≥90%

Pipe Material	Carbon steel
Pipe Diameter	76-114 mm
Pipe Wall Thickness	3.0-6.0mm
Welding Mode	contact type of High Frequency Solid State Welding Machine
Cooling Mode	Use Water-Water cooler system to cool induction type 500kw solid state high frequency welder
After Sale Service	Online support,Field installation,commissioning and training,Filed maintenance and repair servic

The welding of steel tube, stainless steel tube, aluminum tube, copper tube, H-beam and special section tube.

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