400kw 600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill
400kw-600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill

400kw 600kw SCR and mosfet type Solid state HF welding machine for straight seam of ERW pipe mill

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Product Overview

Description



Product Description


Brief Introduction of Solid State HF Welder
Solid state H.F welder is specially designed for straight seam welding. It adopts high power components of US IR IRFP460 MOSFET and Germany IXYS Company DSEI60-06A rapid recovery diode. The high power capacitor C and inductor coil L compose current-mode parallel upper-voltage resonance circuit, which doesn’t need output transformer. Thus, it not only improves the efficiency, but also increases the reliability of the welder.It includes Inverter Unit, DC power Unit, Central Control Unit, Water-water(air-water) cooling Unit, Rectifier Isolaiton Transformer.




Solid State High Frequency Welder Main Parameters


Model No.
Rated Output Power
Rated DC Voltage
Rated DC Current
Output Frequency
Efficiency
Ripple Coefficient
Module QTY
Power factor
QGT-1-100
100KW
235V
500A
400KHZ
＞85%
＜1%
2 Pairs
0.9
QGT-1-150
150KW
235V
750A
300KHZ
＞85%
＜1%
3 Pairs
0.9
QGT-1-200
200KW
235V
1000A
300KHZ
＞85%
＜1%
4 Pairs
0.9
QGT-1-250
250KW
235V
1250A
300KHZ
＞85%
＜1%
5 Pairs
0.9
QGT-1-300
300KW
235V
1500A
300KHZ
＞85%
＜1%
6 Pairs
0.9
QGT-1-400
400KW
235V
2000A
300KHZ
＞85%
＜1%
8 Pairs
0.9
QGT-1-600
600KW
235V
3000A
300KHZ
＞85%
＜1%
12 Pairs
0.9
QGT-1-800
800KW
235V
4000A
200KHZ
＞85%
＜1%
16 Pairs
0.9
QGT-1-1000
1000KW
235V
5000A
150KHZ
＞85%
＜1%
20 Pairs
0.9


Details Instructions of each Unit


Inverter Unit 
The inverter part is made up by parallel MOSFET power transistor modules, which is easy for maintainance.
△Stable DC output — enhanced by 3-phase full-controllable thyristor rectifying bridge, flight wave reactor, filter capacitor, and filter reactor
△Independent current & voltage display and control system — the welder is controllable even without central control unit.
△Compact, sealed and internally water cooled cabinet.
△Automatic load matching system — enables the welder to run at optimum efficiency with +/- 1% frequency stability.


DC Power Unit
DC Power Unit includes rectify, flight wave and control parts:
△Independent current & voltage display and control system — the welder is controllable even without central control unit.
△Low Ripple Fiter — Reduces AC line harmonics and DC Ripple, ensure the weld quality.
△SCR Power Supply — Provides constant output power for consistent weld quality.
△ Rectifier Circuit — 6 pulse Retification.
△Simens PLC — easy to control and diagnose.


Central Control Unit
△ Installed with LCD, power and speed adjust module, the pipe line can be completely controlled by the central control unit.
△Dispay and alarm — the output current and voltage of the DC power unit; armature voltage and current, excitation voltage and current of the DC speed adjust unit.


Water-water Heat Exchange Unit
Composition：Plate heat exchanger, water tank, pump and electrical control part.
△Closed loop circulation, outer water (normal) cools down the inner water (distilled water), no scaling.
△Heat exchanger fins — High efficiency of heat radiation, low cost, applicable to large power H.F equipment.
△Stainless steel water pump and copper pipe — less polution of the loop.
△Stainless steel water tank with level switch — easy to check water level.


Rectifier Isolation Transformer
It is the input rectifier part of the equipment. It reduces the input voltage from 415V to 200V to ensure stable power supply, at the same time, to insulate the power grid


Technical Advantages
1. Varactor Technology of induction welding ensures wide load matching range.
2. Self-developed unique control structures of the circuit design leading to stable equipment operation.
3. DC Power supply with constant power output has a soft-start function to prevent the impact of the circuit.
4. Central control unit achieves centralized display and easy device operation.
5. Equipment cooling system adopts plate heat exchangers. Small footprint, long life and easy maintenance.


Company Profie


BAODING ELECTRICAL CO., LTD
Creat High-end cutting-edge design and manufacturing technology,
Behave with a sincere heart,work with a perfect standard!


Baoding ZSHC Co., Ltd. was established in 2009, covering 20,000 square meters, with more than 100 employees. It has developed into a comprehensive enterprise integrating R&D, production, sales and service. The company mainly engaged in products: solid-state high-frequency welder, high-efficiency switch welder, intermediate-frequency annealing equipment,zinc spraying machine, shear butt welding, cooling equipment, palletizer, ultra-audio equipment and so on.






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Packing & Delivery


1.Export Wooden Package
2.Free Fumigation Certification
3.Pallet for Fork Truck
4.Mark as buyer's requirement




After Sales Service


1. Marketing plan and support.
2. Technical explanation and solution developing
3. Company visit reception
4. Contract tracking and delivery
5. Technical personnel training
6. On site equipment installation and commissioning guidance
7. 7×24 continuous trouble shooting


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