Thyristor frequency converter TMK 200/4/0,8
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Thyristor frequency converter TMK 200/4/0,8

Thyristor frequency converter has been made for UJP PRAHA a.s.. Together with three-phase separating transformer and the load of a parallel oscillatory circuit, which is Induction Melting Furnace ITPU 150/4, it is used for induction melting of recycled uranium in a graphite crucible.
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 200/4/0,8

Nominal input values (power circuits)
Power Input [kVA]  239
Input voltage from separating transformer [V]  3 x 525
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]  2,4
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] 20
Nominal output values
Output [kW]  200
Nominal output voltage [V]  800
Frequency [kHz]  1,33 - 4
 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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