1800kW solid state HF welder

High-power 38A MOSFET-IXYS, 60A fast recovery diode-IXYS, Multi-language operation menu, Speed-power closed loop control - details see: https://www.machineto.com/1800kw-solid-state-hf-welder-10143700

Place of Origin:Hebei China (Mainland)	Brand Name:sanyi tianxing	Model Number:GGP series	Tube Diameter:660mm
Dimensions:508~660mm	Weight:1T	Usage:steel tube/piepe welding machine	name:steel tube/pipe welding machine

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1800kW steel tube/pipe welding machine

Application	Pipe diameter	508~660mm
	Pipe diameter	20~26’’
	Pipe thickness	10~25mm
	Pipe type	Round/square/rectangular
	Welding mode	Induction welding
	Welding speed	8~25m/min
Designed parameters	Nominal power	1800kW
	Rated DC power	P_d=2160kW
	Rated DC voltage	U_dN=450V
	Rated DC current	I_dN=3920A
	Whole efficiency η	85%
	Output power P_out	more than 1800kW
	Designed frequency	f=150~250kHz
	MOSFET inverter	135kW×116
	Tank circuit output mode	no welding transformer output, secondary resonance
Power distribution requirement	Nominal power	1800kW
	Rated DC power	P_d=2160kW
	Line-in power factor COSφ	0.9
	Power distribution capacity	2400kVA
	Power supply voltage	3-phase 380V/50Hz
Description& composition	Switchgear rectifying cabinet: (1 set) One-cabinet design of both switchgear cabinet and rectifying part with function of switchgear cabinet and rectifying control of solid state high frequency tube welder. Install incoming line switch, incoming line ampere meter and switchable voltmeter and incoming line voltage indicator light. Install 3-phase full-controlled thyristor rectifying bridge to realize power adjustment of solid state HF welder. Install flat-wave reactance, flat-wave capacitor and filter to improve the flat-wave coefficient.
	Inverter output cabinet: (1 set) Inverter output cabinet realizes the integration design of resonant inverter and series type resonant tank circuit with compact structure and high efficiency. The inverter part is composed of MOSFET single-phase inverter bridge connected in parallel. The power of single-phase bridge is 60kW/120kW; the inverter bridge adopts the building block method to realize power superposition. Each inverter bridge is designed to be drawer type, which is very convenient to be installed and repaired. Adopt matching transformer to realize power combination. With adoption of secondary resonance and no need of welding transformer, tank circuit resonant capacitor (low voltage) has a resonance with the inductor coil directly to realize power transfer through output arm. Adopt sealed cabinet with installation of air conditioner.
	Connecting optical fiber: (1 suit) The communication between switchgear rectifying cabinet and inverter output cabinet are realized by connecting optical fiber which can ensure the control system not to be disturbed by high frequency signal to enhance equipment reliability.
	Air /water cooling equipment: (1 set) The cooling equipment is designed with water temperature, water level indication and protection to realize the cooling of switchgear rectifying cabinet, inverter output cabinet and resonance tank circuit. The two types of cooling equipment are alternative to the user.
	Console: (1 set) Realize the function of remote operation, power adjustment, status monitoring and malfunction diagnosis for solid state HF welder. Install HMI system composed of PLC and LCD touch screen, which is easy to be operated and monitored by user at site. Install various AC/DC meters and operation buttons for the working status display of solid state high frequency tube welder.
	2-D/3-D positioning table: (1 set) For inverter output cabinet installation and inductor coil position adjustment. 2-D is for induction welding mode; 3-D is for contact welding mode.