KOMPLETTE ANLAGEN FÜR INDUKTIONSERWÄRMUNG

Transistor frequency converter TRMK 250/8/0,65

Transistor frequency converter has been made for Šroubárna Kyjov, Ltd. . Together with three-phase separating transformer and the load of oscillatory circuit, which is induction heater IOK 250/8 - PD, it is used for induction heating of sleeper bolts.
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 250/8/0,65

Nominal input values (power circuits)
Power Input [kVA]  305
Input voltage from separating transformer [V]  3 x 430
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]  3,6
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]  250
Nominal output voltage [V]  650
Frequency [kHz]  4 - 8
 Ostatní parametry
Dimensions (d x š x v) [mm]  1430 x 830 x 2100
Weight [kg]  1000
Cabinet IP 43
Color RAL 7035

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