IEEE 75-1958
Proposed Test Code for POWER-FACTOR TESTING OF MINERAL-OIL-INSULATED INSTRUMENT TRANSFORMERS

Standard No.

IEEE 75-1958

Release Date

1958

Published By

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

Latest

IEEE 75-1958

Scope

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.

IEEE 75-1958 history

• 1958 IEEE 75-1958 Proposed Test Code for POWER-FACTOR TESTING OF MINERAL-OIL-INSULATED INSTRUMENT TRANSFORMERS