Elotherm parallel resonant circuit converters have been continuously refined over time and offer users a robust and versatile technology. Using modern IGBTs and MOSFETs to cover a wide range of frequencies and power levels, our power spectrum extends from 120 kW to 4500 kW per unit, with frequencies from 1 kHz to 600 kHz. This allows parallel resonant circuit converters to be used in almost all areas of induction heating.
A multi-channel version of the parallel resonant circuit converter has been developed specifically to meet the requirements of induction hardening. Up to six independent power outputs are available, with power levels from 90 kW to 270 kW per channel. This version also presents a consistently high power factor on the mains side.
Elotherm series resonant circuit converters are available in power classes from 90 kW to 2400 kW and frequencies up to 200 kHz. These devices are modern and compact power units. To cover the wide frequency range with high energy efficiency, the latest power semiconductor technologies are used – such as silicon carbide (SiC) MOSFETs. A consistently higher power factor on the mains side, as well as smooth impedance matching the resonant circuit load, can be achieved with this technology.