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Transformer Winding Resistance

By measuring a transformer's winding resistance from one HV transformer bushing to another, transformer resistance testing can reveal a great deal of information about the transformer.

In addition to the obvious faulted transformer winding (i.e., an open winding or shorted turn), subtler problems can be detected

MTO300 Series

MTO300 Series

Automated six-winding transformer ohmeter

  • Automated 8-terminal/6-winding measurement capability
  • Simultaneous winding magnetization
  • Tests operation of on-load tap-changers
  • Built-in auto-demagnetization feature
  • Automatic discharge
  • Power DB software (MTO330)

Product details...

Megger MWA

Megger MWA

3-Phase ratio and winding resistance analyser

  • Combines TTR and resistance testing in one box - faster, more efficient testing
  • 55% smaller, 40% lighter than individual instruments
  • Only one set of leads required - lighter, smaller and less expensive
  • One test form - easier, faster to complete
  • Built-in demagnetisation

Product details...

Megger TRAX

Megger TRAX

Multifunctional Substation Test System

  • Replaces need for multiple test sets
  • Saves time by eliminating need for multiple instruments learning
  • User-friendly interface reduces training and testing time
  • Portable and compact system components for easy shipping
  • State of the art measurement methods for advanced diagnostic testing

 

Product details...

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