Double - frequency current generator

Description

PRODUCT DATA SHEET.pdf

APPLICATION

The double-frequency current generator is a device intended for induction hardening; the device comes complete with automatic output line adjustment for the charge impedance during the heating process.

SPECIFICATIONS

 Rated power output 100 kW
 Rated input voltage 3 x 400 VAC, 50 Hz (60 Hz)
Integrated SiC transistors
 Frequency ranges lower, MF 10 – 40 kHz
upper, HF 150 – 400 kHz
Independent MF and HF full range power control from 0 to 100 kW
Automatic adaptation to load impedance variations during the heating process
 Cooling system outer cycle: running water, 30 l/min, 4 bar
inner cycle: deionized water, circulation pump, 60 l/min, 1.5 bar
 Size [L x W x H] power box: 100 x 1200 x 1800 mm
control panel: 1100 x 500 x 1100 mm
 Weight ca. 850 kg
 Control operator interface, integrated with the control panel
CAN connectivity with external networks
 Functions diagnostic and service modes with remote control capability and database generation
customizable settings of the heating process curve; independent MF and HF power settings
 Protections overload, shorting, electrocution, inductor shorting and earth fault

The generator features a complex quaternary resonant circuit, which can generate two current signals at significantly different frequencies within the inductor.

DOUBLE-FREQUENCY HEATING

The generator features a complex quaternary resonant circuit, which can generate two current signals at significantly different frequencies within the inductor.

 

Double-frequency generator with a PWM inverter and output circuit adjustment:
IN - Input block
HF / MF - high and moderate frequency block (w/active impedance)
ZA - input circuit adjustment block with galvanic separation
CW - inductor coil

 

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