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Oil Cooled Transformers For Motor Starting

Supplier: TMC Australia

Motor starting transformers are auto transformers with tappings in the range of 50% to 70% of rated voltage (customer specified).

Price Guide: POA

Oil Cooled Transformers for Motor Starting

Oil Cooled Transformers

TMC produces oil cooled motor starting auto-transformers to suit all motor capacities.

Motor Starting Transformer Characteristics

Motor starting transformers are auto transformers with tappings in the range of 50% to 70% of rated voltage (customer specified).

The motor to be started is switched through the auto transformer in such a way as to start the motor at a lower voltage to minimise starting load and the associated supply voltage drop. This method is often referred to as the "Korndorfer Starter" method.

Information Required with Enquiry:

  • Voltages (at no-load)
  • Voltage tapping range.
  • Number of Phases (normally 3)
  • Operating Frequency
  • Motor rating
  • Motor locked-rotor current
  • Motor start duration (seconds)
  • Number of starts per hour
  • Ambient conditions
  • Design Standard
  • Enclosure Protection Rating
  • Temperature Sensing Equipment
  • Current Sensing Equipment (CT's).

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