Specifications

DSP+CPLD All Digital Control Low Frequency Induction Heating Equipments

Model	LF-50D	LF-100D	LF-160D	LF-200D	LF-250D	LF-300D	LF-400D	LF-500D	LF-600D	LF-800D	LF-1000D	LF-2000D
Power	50KW	100KW	160KW	200KW	250KW	300KW	400KW	500KW	600KW	800KW	1000KW	2000KW
Output Frequency	0.05–0.5KHz (50–500Hz)
Input Voltage	3 phase 380V 50/60Hz
Power Adjustment Range	10–100% adjustable
Power Control Accuracy	±1%
Anti-Voltage Fluctuation	Grid voltage ±10%, output power fluctuation ±1%
Power Factor	>0.93
Operating Mode	Arbitrary selection of constant current/constant power
Control System	DSP + CPLD
Control Method	Any switch between internal control and remote control
Operation Interface	Man-machine interface + button
Communication Interface	Ethernet port / RS485
Working Temperature	0–40°C
Cooling Method	Combination of forced water cooling and plate heat exchange
Water Pressure	0.1–0.3Mpa
Inverter Bridge Components	IGBT

Main Characteristics:

DSP + CPLD all digital control
DPLL all digital frequency tracking
IGBT all soft switching inverting
CPLD all digital rectifier control
All-fiber digital signal transmission
All-digital intelligent protection
Fully enclosed non-convection cabinet
Design of water and electricity separation of the whole machine
Modular inverting structure design
Intelligent algorithm: unique program algorithm and special filter design
Multiple application, automatic parameter matching
Optional energy monitoring system
High output power stability
Intelligent fault identification
Various communication interfaces and protocols
Anti-interference design of the whole inverter
Application

high-precision heat treatment process (induction hardening, induction tempering, induction annealing, induction hardening &tempering), induction hot forging, induction preheating, induction welding, induction brazing, induction casting and so on.
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