Transformer Stations with On/Off Controllers

THE PRODUCT

INM, INSp, INSpa transformer stations of power of 250 kVA, 400 kVA and 630 kVA for the voltages of 6 kV/525 V, 10 kV/525 V, 10-6 kV/525 V, 6 kV/1050 V, 10 kV/1050 V, 10-6 kV/1050 V

Application

INS, INSp, INSpa transformer stations are complete substations consisting of cut-off switch, power transformer, switchgear and protective equipment. All is placed in IP54 housing, fitted for easy and quick transport and installation. They are designed to power electrical machines, devices and networks with rated voltage 525 V (optionally 1050 V in INSpa version), 50 Hz, operating in IT configuration and electrical installation with the voltage of 230 V, operating in IT configuration in underground headings of mining plants. All outputs are in separate chambers and they are equipped with cut-off switches , fuses and contactors. Systems of station control are based upon off/on controllers without the programmer. INSp, INSpa stations, depending on their version, may be optionally equipped with:

  • three or four 500 V outputs (or 1000 V in INSpa realization)
  • transformer of various power (400 kVA or 630 kVA),
  • transformer with various upper-voltage sides (6 kV or 10 kV or 10kV and 6 kV),
  • transformer with various lower-voltage sides 500 V (or 1000 V in INSpa realization),
  • systems enabling remote control of the main outputs,
  • MiCOM P211 digital engine protections for engines at main outputs,
  • measurement of load current of main outputs,
  • analyser of parameters of whole station network (measurement of voltages,
  • currents, power, active and reactive energy),
  • overvoltage limiters at 6 kV side or 10 kV side,
  • devices fitted for feeding the converter systems.

INM stations, depending on their version, may be optionally equipped with:

  • transformers with various supply voltages (6 kV or 10 kV or 10kV and 6 kV),
  • analyser of parameters of whole station network (measurement of voltages,
  • currents, power, active and reactive energy),
  • overvoltage limiters at 6 kV side or 10 kV side,
  • communication interface (enabling remote monitoring of station operation),
  • devices fitted for feeding the converter systems.

Construction

  • upper-voltage chamber (load switch and earthing switch)
  • transformer chamber
  • lower-voltage chambers, (low voltage chambers, main outputs chambers, chambers of protection and control)

Contact: Electrotechnics Dep.
phone 48 76 74-64-158. fax 48 76 74-64-157
mail: te@inova.pl
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