TAN δ ( DELTA ) CABLE TESTING OVERVIEW AND ANSWERS TO FREQUENTLY ASKED QUESTIONS What Is Tan δ , Or Tan Delta ?

@inproceedings{DeltaTAN,
  title={TAN δ ( DELTA ) CABLE TESTING OVERVIEW AND ANSWERS TO FREQUENTLY ASKED QUESTIONS What Is Tan δ , Or Tan Delta ?},
  author={Or Tan Delta}
}
  • Or Tan Delta
Tan Delta, also called Loss Angle or Dissipation Factor testing, is a diagnostic method of testing cables to determine the quality of the cable insulation. This is done to try to predict the remaining life expectancy and in order to prioritize cable replacement and/or injection. It is also useful for determining what other tests may be worthwhile. If the insulation of a cable is free from defects, like water trees, electrical trees, moisture and air pockets, etc., the cable approaches the… CONTINUE READING