EXTRA HIGH VOLTAGE AC AND DC TRANSMISSION ENGINEERING - QUESTION BANK
EXTRA HIGH VOLTAGE AC AND DC TRANSMISSION ENGINEERING
(FOR VIII SEMESTER EEE)
UNIT – I TRANSMISSION ENGINEERING
PART A
TWO MARKS QUESTIONS
- What is principle of transmission?
- Define power losses?
- Define power handling capacity?
- What is power handling capacity of single line
circuit?
- Write the nominal system voltages?
- Write the maximum operating voltages?
- Distinguish between nominal system voltages and
maximum operating voltages?
- Define vibration of transmission lines?
- What are the different types of vibrations in
transmission lines?
- Write the list of equipments in transmission
lines?
PART-B
- Explain the power handling capacity and line losses?
- Explain the mechanical consideration of transmission
lines?
- Briefly explain about cost of
transmission lines and equipment?
- Explain the principles of transmission?
- Explain the standard of transmission voltages?
UNIT – II LINE PARAMETERS
PART A
TWO MARKS QUESTIONS
1.
What is mean by ACSR conductors?
2.
What are the advantages of ACSR conductors?
3.
What is Bundled conductor?
4.
State the advantages of bundled conductors?
5.
Write the expression for the capacitance of a three
phase line with unsymmetrical spacing and transposed?
6.
Define resistance of EHV transmission lines and write
the equation?
7.
What is the difference between symmetrical and
asymmetrical lines?
8.
What is the effect of Earth on Transmission line
capacitance?
9.
Define resistance of EHV transmission lines and write
the equation?
10. What
is the effect of bundled conductors on transmission inductance?
11. Distinguish
between GMD and GMR?
PART-B
1.
Derive an expression for the inductance per phase for a
3 phase overhead Transmission lines, Conductors are symmetrically placed?
2.
Derive an expression for the inductance per phase for a
3 phase overhead Transmission lines, Conductors are Un-symmetrically placed but
the line is completely transposed?
3.
Drive an expression for the capacitance for a 3 phase
overhead transmission lines the conductors are symmetrically placed?
4.
Derive an expression for the inductance per phase for a
3 phase overhead Transmission line Un-symmetrically placed but transposed?
5.
Briefly explain about bundled conductors? And why its
needed?
UNIT – III POWER
CONTROL
PART A
TWO MARKS QUESTIONS
1.
What is mean by power frequency?
2.
Write the different types of voltage control methods?
3.
What is the need of voltage control in power system?
4.
Define power circle diagram? Why its need?
5.
What is meant by SVC?
6.
Define the term of over voltages?
7.
What for series and shunt compensation provided for?
8.
What is meant by STATCOM?
9.
Give the types of shunt controllers?
10.
Compare STATCOM and SVC?
11.
What is the need of line compensation?
12.
What are the advantages of FACTS controller?
PART-B
1.
Briefly explain about
(i)
Series compensation
(ii)
Shunt compensation
2.
Explain in detail the various types of FACTS controllers?
3.
Briefly explain about SVC (Static Var
Compensator)?
4.
Write the advantages of FACTS controllers?
5.
Explain in detail the various types over
voltages?
UNIT –
IV EHV AC TRANSMISSION
PART A
TWO MARKS QUESTIONS
1.
What is the need for interconnection of Power systems?
2.
Explain or differentiate primary and secondary
transmission?
3.
Explain or differentiate Primary and secondary
distribution?
4.
State the advantages of EHV AC transmission?
5.
How the problem of corona is minimized in EHV AC lines?
6.
What are the limitations of increasing the transmission
voltage level to very high value?
7.
Define Corona ?
8.
What is the corona effect?
9.
What are the problems associated with EHV AC
transmission?
10. On
what basis the conductor size is determined for 230kV and EHV AC transmission?
11. What
is one line diagram?
12. What
is the significance of drawing the single line diagram?
13. What
is skin effect? On which factor it depends?
14. Give
the Practical Transmission and Distribution voltage levels in India
15. Why
is electrical power preferable to be transmitted at high voltages? OR State the
advantages high voltage transmission.
16. What
is the highest AC and DC transmission voltage in India ?
PART-B
1.
What are the problems involved in EHV AC transmission?
2.
What are the advantages of EHV AC transmission?
3.
What are the limitations of EHV AC transmission?
4.
Explain why EHVAC transmission is preferred?
5.
What are the needs for preferring EHVAC transmission?
6.
Explain the technical reasons for adopting EHV AC
transmission.
UNIT – V HVDC TRANSMISSION
PART A
TWO MARKS QUESTIONS
- Give the merits of HVDC systems?
- List out the different types of HVDC
links?
- What are constituent sections of a power
system?
- What are the components of a power system?
- Define break even distance in HVDC transmission?
- Why HVDC lines do not require any compensation?
- Why DC transmission is economical and preferable
over AC transmission?
- List the application of HVDC transmission?
- Why is voltage regulation better in case of DC
transmission?
- What are the terminal equipments in HVDC system?
- What are the main equipments of a DC transmission
lines?
- What is the main limitation of HVDC transmission?
PART-B
- With the help of neat diagrams, explain
the basic principle of HVDC transmission?
- What are the advantages and disadvantage
of HVDC transmission over HVAC transmission?
- Explain the different types of HVDC
links. Explain any one HVDC link available in
- Compare EHVAC and HVDC transmission?
- Explain in detail any four applications
of HVDC transmission?
- Write short notes on EHVAC and HVDC
transmission?
- Briefly discuss about the terminal
equipments of a DC transmission line with a neat diagram?
EEE ENGINEERING NOTES
0 comments:
Post a Comment