FirstRanker.com EnrolmentNo.
BE - SEMESTER- VII (New) EXAMINATION — WINTER 2019
Subject Code: 2170906 Date: 23/11/2019
--- Content provided by FirstRanker.com ---
Subject Name: Advanced Power Electronics
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
Q.1 (a) With block diagram Compare Linear voltage regulator and Switch mode voltage regulator. 03
(b) Compare HVDC transmission over EHVAC transmission based on Economics of Transmission, Technical Performance & Reliability 04
(c) With neat circuit diagram & waveform explain the operation of a BOOST converter in CCM and Derive the equation of (1) Peak to Peak Inductor Current (2) Peak to Peak Capacitor Voltage (3) Critical value of inductor & Capacitor. 07
Q.2 (a) What is the need of Resonant Converter? Compare Series Loaded Resonant (SLR) converter with Parallel loaded resonant (PLR) Converter 03
--- Content provided by FirstRanker.com ---
(b) Explain the operation of FORWARD Converter in Continuous Current Mode. Derive the Equation of Output Voltage. 04
(c) What do you mean by Zero Voltage Switching (ZVS). With neat circuit and waveform explain the operation of ZVS Converter 07
OR
(c) Explain the operation of Series loaded resonant (SLR) converter in (1) Discontinuous Current Mode (s < % ®o) (2) Continuous Current Mode (% ®o < ©s< o) 07
Q.3 (a) Explain the concept & need of Multi Level Inverter (MLI) 03
--- Content provided by FirstRanker.com ---
(b) Explain the operation of Class E converter 04
(c) Explain the operation of 5-Level DCMLI. Also discuss problems associated with DCMLI and how it will overcome. 07
OR
(c) Explain Concept and requirement of Multi Pulse Converter (MPC) 07
Q.4 (a) Draw the one line diagram of HVDC & Discuss the equipments of HVDC systems. 03
--- Content provided by FirstRanker.com ---
(b) With neat circuit diagram and waveform, Explain the operation of 5-level cascade H-bridge Inverter 04
(c) Classification Of FACTS devices. 07
Q.5 (a) Explain the operation of SEPIC converter. Derive the Equation of Output Voltage. 03
(b) Explain the how source current Harmonic Elimination using 12 Pulse Converter 04
OR
--- Content provided by FirstRanker.com ---
(a) What is the need of Reactive Power Compensation? 03
(b) Explain the operation of CUK converter. Derive the Equation of Output Voltage 04
(c) Explain following transformer connection with phasor diagram used in multi pulse converter. (a) Y-Z1 (b) A-Z1 07
Q.5 (a) What is FACTS? Discuss the advantages of FACTS in brief. 03
(b) Explain working principal of SSSC. 04
--- Content provided by FirstRanker.com ---
(c) Explain TCR with circuit diagram. Draw current and voltage waveforms for different values of a. 07
OR
(c) Comparison of SVC & STATCOM. 03
(b) Explain working principal of UPFC 04
(c) Explain the Operation of FC-TCR. 07
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---