اختبار زيوت العزل في المحولات وإعطاء التقارير للحالة الفنية للمحولات

• 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.