KOMPLETTE ANLAGEN FÜR INDUKTIONSERWÄRMUNG

Thyristor frequency converter TMK 1000/1,5/0,8

Thyristor frequency converter has been made for Škoda Auto a.s., Mladá Boleslav. Together with three-phase separating transformer and the load of a parallel oscillatory circuit, which is induction billet heater SOP 1000/1,5/0,8, it is used for induction heating of steel billets up to forging temperature.
Thyristor 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 TMK 1000/1,5/0,8

Nominal input values (power circuits)
Power Input [kVA]  1195
Input voltage from separating transformer [V]  3 x 525
Frequency [Hz]  50
Nominal input values (control circuits)
Power Input [kVA]  3
Voltage [V] 3 x 400
Frequency [Hz]  50
Cooling water (external cooling loop)
Consumption [m3/h]  9
Input temperature [°C]  max. 32
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] 25
Nominal output values
Output [kW]  1000
Nominal output voltage [V]  800
Frequency [kHz]  0,5 - 1,5
 Ostatní parametry
Dimensions (d x š x v) [mm]  2415 x 830 x 2100
Weight [kg]  1500
Cabinet IP 43
Color RAL 7035

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