PROTECTION USE FOR POWER TRANSFORMER IN SUB STATION

About this course

In this course you will learn about different protection used for Power Transformer in a Sub Station:-1. What is meant by Differential Zone of Transformer Differential Protection.2. How by Using ICT phase and magnitude correction can be done for static Differential Relay.3. What is Matching Factor and PU (Per Unit) Current in Differential Relay.4. Characteristics of Micom P64X Differential Relay for Power Transformer.5. Characteristics of Micom P63X Differential Relay for Power Transformer.6. What is Zero Sequence Filtering and why it is important in Differential Relay for Transformer.7. How much Winding is Protected by Differential Relay for Transformer?8. High Impedance Restricted Earth Fault Relay for Star side of Transformer.9. High Impedance Restricted Earth Fault Relay for Delta Side of Transformer.10. How to Calculate Stabilizing Resistance (Rs) for High Impedance Restricted Earth Fault (REF) Protection Relay.11. Why Metrosil is required for High Impedance Restricted Earth Fault (REF) Relay.12. What is Low Impedance Restricted Earth Fault (REF) Protection Relay and When It Shall be Used.13. Difference between High Impedance REF and Low Impedance REF Protection Relay.14. Over-current (O/C) and Earth Fault (E/F) Relay for Transformer and Calculation of Setting of PSM and TMS.15. What is Over-fluxing Relay and Its Working Principle for Transformer.

Course objectives

• To equip students with foundational knowledge of transformer protection methods
• To enhance understanding of relay characteristics and their applications
• To develop skills in calculating settings for effective transformer protection