ATHARVA COLLEGE OF ENGINEERING, MALAD(W)

SEM-IV CLASS- S.E.

Unit Test - 2

For Academic Year: 2015-2065

Subject: Protection & switchgear Engg Subject code: PSEClass: T.E. Electrical Semester- VDate: 20 Marks

Note: 1. All questions are compulsory.

Q.1 Solve Any Five from the given below (2M each) (10M)

1. What is PSM?2. What is TMS?3. What is MCCB?4. What are different types of Circuit Breakers?5. What is mho relay?6. What is directional relay? Why it is used?

Q.2 a) Write on Distance Protection(5M)

OR

b) Write on Differential Protection (5M)

Q.3 a) Explain Arc Interruption theories? (5M)

OR

b) Explain any one type of Circuit Breaker (5M)

DEPT.: ELEC