اختبار زيوت العزل في المحولات وإعطاء التقارير للحالة الفنية للمحولات

 

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    • Transformers types.
    • Functions and Inspection Procedures for Transformer Protective Relays:

    Buchholz Relay, Safety Relief Valve, Temperature Indicator Switches, Main and Backup Protective

    • State the principles of three-phase transformers.
    • List the factors causing damage and accelerate to the insulating oil deterioration.
    • List basic tests for the insulating oil.
    • Describe color test and breakdown voltage test with application standards.
    • State the purpose of replacing and purifying transformer oil.
    • Explain necessary transformer tests.

    1-    Transformer turns Ratio

    2-    DC and AC Hi-Pot Test

    3-    Power Factor tests for windings and bushings

    4-    Oil tests.

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