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IEEE 75
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IEEE 75 1958 Edition, April 1, 1958 Proposed Test Code for POWER-FACTOR TESTING OF MINERAL-OIL-INSULATED INSTRUMENT TRANSFORMERS
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Description / Abstract:
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.