300kw Solid-State High Frequency Tube Welder with Reliability and Intellectualization

Product Description

Product composition
300kw Solid-State High Frequency Tube Welder with Reliability and Intellectualization
Integrated welderThe integrated design of the switch and the rectifier part, in addition to the function of the switch cabinet, also has the rectifying control function of the solid-state high frequency welder.
1) Installed 3-phase full-controlled thyristor rectification bridge to realize power adjustment of the high frequency welder.
2) Installed flat-wave reactor, flat-wave capacitor and filter to improve the flat-wave coefficient.
3) Protection reactor, ammeter, and current hall sensor are installed to protect and monitor the inverter bridge.
4) Siemens S7-1200 PLC is installed to realize power logic control and Ethernet communication functions.
Control desk1) Adopt stainless steel operation penal with beautiful appearance and easy to clean.
2) Add touch screen protection cover to improve the service life of touch screen.
3) The touch screen of the control desk has data recording function for important parameters and information, which is convenient for historical query. Meanwhile, it has visual data record, which is convenient for analysis and viewing the status information of the equipment.
4) It has the functions of remote operation, power regulation, state monitoring and fault diagnosis of HF welder.
5) Ethernet interface is reserved to facilitate the user's function expansion and realize remote monitoring and information collection.
6) The function can be added and expanded according to the actual needs of users.
2-D positioning tableIt is used for fixed installation of welder and position adjustment of the work coil.
2-D positioning table is adopted: manual adjustment in front / back, left / right direction, stable and reliable adjustment, so as to ensure that the work coil is always in the best welding position. Air-water coolerAir-water heat exchanger is adopted. And circulation soft water is used as cooling water with temperature and water level indicator and protection, which can perfectly accomplish the cooling work for integrated welding unit and resonance tank circuit. 304 stainless steel is adopted for water tank and in-line pump. Measures for high efficiency and energy saving
1) PSM technology
With the latest PSM inverter control technology (Pulse Shielded Modulation), when welding steel pipes of different specifications, the welder can ensure a constant DC voltage of 450V and output power continuously adjusted. At this time, the welder has the highest grid side power factor, the minimum input current and the best welding efficiency.
2) Integrated inverter bridge
Adopt the optimized integrated inverter bridge with small stray loss.
3) Welding frequency optimization
With optimal design of resonance tank circuit, the frequency of the welder is 20% - 30% higher than the original design and effectively improve the welding efficiency.
4) Welding process optimization
According to the tube mill specifications and tube type, optimize the structural design of the output lead.
Technical advantages
1) Energy saving - PSM technology effectively solves the load matching problem of solid-state HF welders and lays the foundation for high efficiency and energy saving.
2) Reliability - the Integrated inverter bridge significantly improve the reliability and stability of the solid-state HF welder.
3) Intellectualization - Full digital control system improves the automatic management level of solid-state HF welder.
Technical parameters:

1	Nominal power	300kW
2	Rated DC power	Pd=300kW
3	Rated DC voltage	UdN=450V
4	Rated DC current	IdN=670A
5	Whole efficiency	η≥85%
6	Output power	Pout>300kW
7	Designed frequency	f=300~350kHz
8	MOSFET inverter	100kW×3
9	Line incoming cable	300mm2×1 pc/phase

Company Profile
FAQ
Q1:Are you a trading company or Manufacturer?
A:We are manufacturer with independent research and development capability, supplying products to our clients all overthe world.
Q2. Manufacturing delivery time?
A:30 days since receiving of down payment.
Q3. How to solve the malfunction occurred during operation?
A:You can send the malfunction information to us by email, or leave message to us on WeChat or WhatsApp.
Q4. Whether the online commissioning or technical support will be available?
A:Yes, we can provide online guidance and technical support for commissioning through WeChat or WhatsApp.
Q5. Can you provide the onsite service if we needed?
A:Yes, we can provide the onsite service if you needed. The corresponding expenses will be borne by the customer.
Q6. Payment terms?
A:30% by T/T as down payment, 70% by T/T before shipment.

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