A passion for heat treatment since 1946

Frequency Converters

Frequency converter for the following applications

  • Hardening  
  • Tempering
  • Melting
  • Forging
  • Heating of cables and wires
  • Drying of surfaces/Coating
  • Glass melting

This new converter technology is convincing owing to

  • Power range from 10 kW to several 1,000 kW
  • Nominal frequency from 5 Hz to 100 kHz
  • Range of performance from 0.5 to 1.2 of the nominal frequency
  • cos phi nearly 1 on the net in case of full and part load  
  • Digital converter control
  • Plain language 

Advantages of the EMA converters, designed as "stand alone" converters for application-oriented use or to be used in heating systems or hardening machinery:

  • Converters of in-house production
  • Control unit with EMA-processor
  • Converters providing control functions (PLC) and temperature control during process
  • NO analogous components in the control unit
  • Converters with several regulated outlets
  • Matching transformers or direct connection
  • High efficiency and flexibility 
  • External compensating fields
  • Digital data storage and handling integrated into the converter
  • Automatic and manual inductor tapping
  • Development and construction of inductors
  • 24-hours service available

Advantages of the new converter control

  • One uniform control component for all ranges of frequency and power
  • Parameterization via software
  • Ethernet, USB and PS232 interfaces available
  • Remote maintenance via Internet or modem
  • Adjustment or modification of the operational parameters via remote control
  • Error memory with 200 memory capacities
  • Actual value memory with integrated line recorder

Converter Show Software for maintenance can be supplied optionally

  • Display of all relevant operational data
  • Reading out and filing of error memory
  • Graphic display of actual value memory

The software comprises training courses.

For further technical details see our machine leaflet.