HASVITA GROUP OF INSTITUTES, KEESARA,RR DIST DEPARTMENT OF EEE M. TECH. (ELECTRICAL POWER SYSTEMS) I YEAR II SEM SUBJECT: - FACTS IMPORTMENT QUESTIONS FOR I MID EXAM _________________________________________________________________ ___________ PART-A Answer the following (4*4=16) 1. Discuss the power flow and dynamic stability aspects of simple power system. 2. Draw the diagram of one phase lag of inverter with turn off and turn on devices. 3. Describe the principle of operation of FC-TCR type static var compensator with suitable control scheme. 4. Explain the operation of voltage sourced type static var generator with appropriate control scheme. PART-B Answer any three (3*8=24) 1. Compare the dynamic performance of STATCOM and SVC from the i) Transient stability. ii) Response time. iii) Exchange of real power point of view. 2. Explain the operation of three level voltage source converter with a neat circuit diagram. 3. Explain the operation of inverter through four quadrants with relevant wave forms and phasor diagrams. 4. What are the objectives of shunt compensation. 5. Explain about the midpoint voltage regulation voltage instability prevention.
HASVITA GROUP OF INSTITUTES, KEESARA,RR DISTDEPARTMENT OF EEEM.
TECH. (ELECTRICAL POWER SYSTEMS) I YEAR II SEMSUBJECT: - FACTS
IMPORTMENT QUESTIONS FOR I MID
EXAM____________________________________________________________________________PART-A
Answer the following (4*4=16)1. Discuss the power flow and dynamic
stability aspects of simple power system.2. Draw the diagram of one
phase lag of inverter with turn off and turn on devices. 3.
Describe the principle of operation of FC-TCR type static var
compensator with suitable control scheme. 4. Explain the operation
of voltage sourced type static var generator with appropriate
control scheme.PART-B Answer any three (3*8=24)
1. Compare the dynamic performance of STATCOM and SVC from thei)
Transient stability.ii) Response time.iii) Exchange of real power
point of view. 2. Explain the operation of three level voltage
source converter with a neat circuit diagram. 3. Explain the
operation of inverter through four quadrants with relevant wave
forms and phasor diagrams.4. What are the objectives of shunt
compensation.5. Explain about the midpoint voltage regulation
voltage instability prevention.
