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Power sources

 

Thyristor current transducers “TPCT-250”, “TPCT-320”

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Thyristor current transducers “TPCT-250”, “TPCT-320 are designed to standalone work as a module in the power supply systems of vacuum induction furnaces of vacuum and opened melting of ferrous and non-ferrous metals, through heating, thermal treatment. Thyristor current transducers applies in optical manufacture for glass melting and for power supply of induction plants of special purposes.
Thyristor power supplies meets modern requirements of metallurgical and foundry equipment. In their design and manufacture were taken into account comments and suggestions of consumer enterprises of the previous models of converters “TPCT-120” and “TPCT-160”.

 

Technical improved current transducer “TPCT-250” was marked as one of the “100 best goods of Russia”. Thyristor current transducer “TPCT-250” was named as best product of the year.


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Specifications
  «TPCT-250» «TPCT-320»
Power supply voltage (three-phase AC)
380 V, Hz
50 50
Adjustment range of the rectifier, V 100 - 500 100 - 500
Output current of the rectifier, A 25 - 600 100 - 650
Output power of the rectifier (nominal), kW 250 320
Power supply voltage (three-phase AC 220 V)
through the isolating transformer, Hz
50 50
Minimum output power, kW 5 5
Output voltage of the inverter, V:
 - open melting
 - vacuum melting (with transformer
 “TS2-250/2,4”)
 - vacuum melting (with transformer “TR-5/50”)
150 - 750
70 - 350
100 - 500
150 - 750
70 - 350
100 - 500
Nominal output voltage frequency, Hz 2400 2400
Frequency range when changing
oscillating circuit, Hz
1000 - 4000 1000 - 4000
Coefficient of efficiency, %, not less 90 90
Inverter cooling water system:
 - cooling water flow rate, l/min
 - inlet water pressure of cooling system, MPa
24
0,2 - 0,4
30
0,2 - 0,4
- resistivity of the water, kOm m, not less
 - water hardness, mg. ekv/l, max
 - pH, pH
 - water temperature at the inlet of the cooling
 system, °C
200
3,5
5 - 7,5
30
200
3,5
5 - 7,5
30
Protection and locks:
 - output current overload, A
 - overvoltage of the inverter,
 - overheat in the cooling system, °C
600
750
55
650
750
55
Overall dimensions, mm:
 - length
 - width
 - height
1000
1400
1790
1000
800
1764
Weight, kg 500 850