COMPLETE EQUIPMENT FOR INDUCTION HEATING

Transistor frequency converter TRMK 120/25/0,6

15.10.2013

Transistor frequency converter has been made for Peikko Slovakia Ltd. Kráľová nad Váhom in Slovakia. Together with three-phase separating transformer and the load of oscillatory circuit, which is induction heater SOR 120/20, it is used for induction heating of roxor rods.
Transistor frequency converter consists of input power circuit breaker, controlled rectifier, smoothing choke, current inverter, and overvoltage protections. The operation of the frequency converter is ensured by operating system consisting of regulator, converters and Programmable Logic Controller (PLC). Internal water cooling system is used for cooling electronic and other parts of power circuits of frequency converter .

Basic technical specifications TRMK 120/25/0,6

Nominal input values (power circuits)
Power Input [kVA]  150
Input voltage from separating transformer [V]  3 x 400
Frequency [Hz]  50
Nominal input values (control circuits)
Power Input [kVA]  2
Voltage [V] 3 x 400
Frequency [Hz]  50
Cooling water (external cooling loop)
Consumption [m3/h]  1,4
Input temperature [°C]  max. 30
Input pressure [MPa]  max. 0,4
Pressure loss [MPa]  0,12
Maximum warming thru loop [K]  5
Cooling water (internal cooling loop)
System capacity [l] 20
Nominal output values
Output [kW]  120
Nominal output voltage [V]  600
Frequency [kHz]  10 - 25
 Ostatní parametry
Dimensions (d x š x v) [mm]  1430 x 830 x 2100
Weight [kg]  950
Cabinet IP 43
Color RAL 7035

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