Schweitzer Engineering Laboratories Project Engineer - Protection interview questions

1. What input is required for High Impedance Busbar protection 2. Explain open delta PT 3. What is sequence components and the types. 4. What’s the difference between Ground current and Neutral Current 5. What types of protection are done on medium feeder line 6. What is required for a breaker failure protection. 7. How do you set instantaneous 50p for back up on transformer high side 8. What type of sequence component is a 3phase fault 9. Explain High impedance bus protection. 10. What types of protection are done on a transformer