EE2036 Flexible AC Transmission Systems
16 Marks questions - Question Bank
EE2036 Flexible AC Transmission Systems - 16 Marks questions - Question Bank - 8th Sem EEE Question Bank - Anna University EEE Question Bank - EE2036 Question Bank - EE2036 Important Questions
UNIT – I
1. Describe briefly the load and system compensation schemes.
2. Explain the operation of UPFC with diagram.
3. Explain the reactive power compensation at the sending, mid-point and receiving ends of the transmission lines.
4. Explain the principle, working and characteristics of static VAR compensator with a neat circuit diagram.
5. Explain the working and characteristics of Thyristor switched series capacitor with a neat diagram.
6. Discuss briefly about the variation of the TCSC reactance with firing angle ‘alpha’.
7. Explain the V-I capability characteristics of single module TCSC.
8. Explain with neat circuit diagram about fixed capacitor-Thyristor controlled reactor.
UNIT – II
1. Explain the design of SVC voltage regulator. Also discuss the influence of SVC on system voltage
2. Discuss in detail the effect of SVC for the enhancement of transient stability.
3. Using a general schematic diagram, explain the three basic modes of SVC control in detail.
4. Explain the application of SVC for prevention of voltage instability.
5. How do you enhance the damping in power system using SVC
6. Explain the design of SVC voltage regulator and discuss the voltage control capability of SVC. What are the advantages of slope in dynamic characteristics of SVC?
7. Discuss in detail about the role of SVC in improving the stability limit and enhancing the power system damping
8. Describe the construction and operating characteristics of synchronous condensers.
9. Derive and explain the series and shunt compensation of symmetrical transmission lines.
UNIT – III
1. Explain the principle of operation of TCSC. Also discuss the different modes of TCSC.
2. Explain the effect of TCSC for the enhancement of system damping.
3. Explain the need for variable and fixed series compensation schemes.
4. Describe the variable reactance model of TCSC.
5. Explain the different modes of operation of TCSC.
6. Describe the modeling of TCSC for load flow study.
7. Explain the working, characteristics and operating modes of variable reactance model of thyristor controlled series capacitor.
8. Explain in detail the applications of thyristor controlled series capacitor.
9. How TCSC is used for the improvement of the stability of a system.
UNIT – IV
1. With a neat sketch, explain the implementation of UPFC.
2. Explain the working of STATCOM with a neat sketch. In what way it differs from SVC?
3. Explain the operation of STATCOM with its V-I characteristics.
4. Explain the performance of VSC based STATCOM.
5. Describe the modeling of UPFC for power flow and transient stability studies.
6. Explain the basic principle and control capability of unified power flow controller.
7. Explain the power transfer capability of UPFC and compare its capabilities with other FACTS controllers.
8. Describe the construction of UPFC with a block diagram and its characteristics with phasor diagrams.
9. Explain the power flow control and oscillation damping in the two area system using UPFC.
UNIT – V
1. Using linear control techniques, explain the co-ordination of multiple controllers.
2. Explain the controller interactions between multiple SVCs (SVC-SVC) in a large power system.
3. Explain the FACTS controller interactions with similar, dissimilar HVDC controller links.
4. Describe the genetic algorithm based control co-ordination of FACTS controllers.
5. Explain the co-ordination of multiple controllers using genetic algorithm.