IEEE/AIEE 75-1958 - AIEE Proposed Test Code for Power-Factor Testing of Mineral Oil Insulated Instrument Transformers
Standard Details
This test code applies to instrument transformers of present-day design with high-voltage windings insulation class 2.3 kv and above and low-voltage windings below 1 kv insulation class that are immersed in mineral oil.
Working Group Details