Electrical Power-II EP-2 6th Semester EEE Dec 2000 Diploma PSBTE Paper
Electrical Power-II EP-2 6th Sem EEE Diploma PSBTE MAY 2018 Paper
ELECTRICAL POWER-II OR EP-II 6TH SEM DIPLOMA PSBTE MAY 2018 PAPER
Duration : 3 Hrs M.Marks : 75
SECTION A
1. Fill in the blanks :
a. ELCB stands for Earth Leakage Circuit Breaker.
b. The filler material used in H.R.C fuse is………..
c. Buchholz relay is used for the protection of………………..
d. Mho relay is used for the protection of lines.
e. The higher the demand factor will be the cost of generation.
f. Ground wire is used to protect transmission lines against……………….
g. An isolator is only operated under Condition.
h. The area under the daily load curve gives ………………. .
i. The running cost of power station is the lowest.
j. The ratio of average load to the maximum load is called……………….
SECTION-B
Q2. Attempt any five questions. 5×6=30
i. Explain different types of faults in transmission lines.
ii. Discuss the phenomenon of arc formation in circuit breaker.
iii. What are the advantages of SF6 circuit breaker?
iv. Explain the working of buckholz relay.
v. What is the function of isolator and circuit breaker?
vi. Explain the differences between earth and neutral wire.
vii. Write a short note on block rate tariff.
viii. What is the purpose of power line carrier communication?
SECTION-C
Q3. Attempt any three questions. 3×10=30
a. Discuss the types of air blast circuit breakers?
b. Explain how Merz-price system of protection can be applied for the protection of 3 phase alternators?
c. Describe construction and operation of H.R.C cartridge fuse?
d. What is earthing? What is its purpose? Explain system earthing and equipment earthing.
e. Draw a neat sketch of an MCB and explain its working.
Section a FILL IN THE BLANKS Electrical Power-II may 2018paper
ELCB stands for Earth Leakage Circuit Breaker.
The filler material used in H.R.C fuse is………..
Buchholz relay is used for the protection of ………………..
Mho relay is used for the protection of _____ lines.
The higher the demand factor will be the cost of ________ generation.
Ground wire is used to protect transmission lines against……………….
An isolator is only operated under ____ Condition.
The area under the daily load curve gives ………………. .
The running cost of ________power station is the lowest.
The ratio of average load to the maximum load is called ……………….
Electrical Power-II EP-2 6th Sem EEE May 2018 Diploma PSBTE Paper Click Here
Section B :Electrical Power-II EP-2 6th Sem EEE Dec 2000 Diploma Paper
Different types of faults in transmission lines.
Phenomenon of arc formation in circuit breaker.
The advantages of SF6 circuit breaker
working of buckholz relay.
Function of isolator and circuit breaker
Differences between earth and neutral wire.
Short note on block rate tariff.
Purpose of power line carrier communication
Electrical Power-II EP-2 6th Sem EEE MAY 2018 Diploma Paper Click Here
Section c Electrical Power-II EP-2 6th Sem EEE MAY 2018 Diploma PapeR
Air blast circuit breakers
How Merz-price system of protection can be applied for the protection of 3 phase alternators
Construction and operation of H.R.C cartridge fuse
Earthing? What is its purpose
Explain system earthing and equipment earthing.
MCB and explain its working.