ROTATING MACHINES

Doble Lemke provides diagnostics and testings on-site or in the laboratory for:

 

  • Machines
  • Generators

Different measurements detect problems like short-circuit between turns, damage of bearings,  matured insulations, etc.. This enables a reparing of components which show weaknesses and abrasions.

 

Available Tests

  • Withstand Voltage Test
  • Partial Discharge Test (EL)
  • DLA (TAN/PF, Watts, CAP)
  • Sweep Frequency Response Analysis
  • Resistance

Benefits

  • High level of reliability
  • Extension of lifetime
  • Cost reduction
  • Scheduled maintenance

Standards

IEE Std 286-2000
                                   

Recommende practice for measurement of power factor tip-up of electric machinery stator coil insulation

IEEE Std 1434-2000 

Guide to the measurements of partial discharges in rotating machinery

IEC 60034-27 TS Rd 1

Offline partial discharge measurements of rotating electrical machines

DIN EN 50209

Test of insulation of bars and coils of high-voltage machines

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