SET IKUPPAM ENGINEERING COLLEGE, KUPPAM 517425I M.Tech-II SEM EEE JNTUA DESCRIPTIVE MID TEST NO: ISUB: HVDCTime: 120Minutes Max Marks: 40

1. Discuss the different factors that favor HVDC Transmission systems over EHVAC Transmission over long distances?2. Explain the operation of Graetzs circuit with the help of neat sketch without overlap angle?3. Derive the expression for AC & DC harmonics & characteristics?4. Derive the expression for power flow control in HVDC system? alsoi. Power at the rectifier end b) Power at the Inverter end ii. Power loss in the HVDC system 5. Explain with neat schematic diagram, principle and operation of converter station?

SET 2KUPPAM ENGINEERING COLLEGE, KUPPAM 517425I M.Tech-II SEM EEE JNTUA DESCRIPTIVE MID TEST NO: ISUB: HVDCTime: 120Minutes Max Marks: 40

1. Explain with neat schematic diagrams and classification of HVDC system?2. Explain the operation of a 12 pulse bridge rectifier with the help of circuit diagram, voltage & current waveforms?3. What are the factors troubles caused by the harmonics?4. Discuss about the alternate converter control strategies for reactive power control?5. Explain with neat schematic diagram, principle and operation of converter station?SET 3KUPPAM ENGINEERING COLLEGE, KUPPAM 517425I M.Tech-II SEM EEE JNTUA DESCRIPTIVE MID TEST NO: ISUB: HVDCTime: 120Minutes Max Marks: 40

1. What are the applications and advantages & disadvantages of HVDC system? 2. Explain with neat schematic diagrams and classification of HVDC system?3. Explain in detail Classification of filters in both AC & DC? 4. Discuss about synchronous condensers and AC filters for reactive power compensation in HVDC systems?5. Explain with neat schematic diagram, principle and operation of converter station?

SET 4KUPPAM ENGINEERING COLLEGE, KUPPAM 517425I M.Tech-II SEM EEE JNTUA DESCRIPTIVE MID TEST NO: ISUB: HVDCTime: 120Minutes Max Marks: 40

1. Explain with neat schematic diagram, principle and operation of converter station?2. Explain the operation of a 12 pulse bridge rectifier with the help of circuit diagram, voltage & current waveforms?3. Derive the expression for AC & DC harmonics & characteristics?4. Derive the expression for power flow control in HVDC system? alsoi. Power at the rectifier end b) Power at the Inverter end ii. Power loss in the HVDC system 5. Explain with neat schematic diagrams and classification of HVDC system?