Engineering B.E. (Electrical Engineering) Sem 5 December 2018 2018 Power Electronics Question Paper - Mumbai University | munotes
Loading PDF...
Older exam
2018 - Power System II
Semester-end · December 2018
→
Newer exam
2018 - Power Electronics
Semester-end · December 2018
→
Questions asked in this paper
-
Q2 Attempt any three questions out of remaining five questions
-
Q3 Assume suitable data if necessary & justify the same 1 Attempt any four
- (A) With the help of two transistor analogy of SCR, briefly explain why gate loses its 5 control once SCR is turned ON?
- (B) Mention any two applications of dc to dc converter. Draw the diagram of a Buck de to dc converter and draw the inductor voltage, inductor current and derive the voltage 5
- (C) What are the advantages of PWM rectifier as compared to controlled rectifier using SCR? What are its applications? Illustrate the diagram of a single phase PWM 5
- (D) Illustrate the diagram of a single-phase half bridge inverter and draw the output voltage waveform for square wave mode of operation. Such an inverter is connected to a resistive load of 2.4 Q with d.c. input voltage of 24V each. Determine: (i) RMS 5 output voltage (ii) Output power and (111) Peak blocking voltage of each switch
- (E) Compare Silicon Carbide and Gallium Nitride devices. 5 2 (A) Explain any two commutation methods of SCR. 10 Describe any one application of Triac-Diac circuit. Derive the expression for RMS
- (B) value of output voltage and draw the following waveforms: (1) Supply voltage; (ii) 10 3(A) Explain the operation of bridge inverter feeding a resistive load for conduction mode. Draw the pulse sequence for the switches & sketch all phase 10 voltages and any one line to line voltage waveform
- (B) the need for a Snubber circuit? Explain any one snubber circuit. 10 Draw the diagram of a Boost converter and derive its voltage ratio. In Boost converter, Va=12V, fs=10kHz and the output voltage required is twice than that of input. Find (i) duty cycle; (ii) the peak to peak inductor current 10 ripple and input current. Assume lossless converter
- (B) . Give a comparison between MOSFET and IGBT (any five points). Why driver circuit is needed to drive MOSFET & IGBT? Suggest any suitable driver circuit. 10 5 Draw a three phase half controlled rectifier (semi controlled) and the gating pulse sequence and explain briefly. (i) Draw the input and output voltage waveforms for a firing angle of and (ii) Derive the average output voltage in terms of o 20 for a purely resistive load. (iii) Find the numerical value of output voltage and current firing angle of if this converter is fed from a 440V, 50Hz supply and is feeding a resistive load of 12 ohms. Graph sheet will be provided 6(A) With neat diagrams explain the operation of AC voltage controller feeding Explain any two pulse width modulation technique of inverter. 10
Read from the scan above, so a character or two may differ. The scan is the original.
Something wrong on this page? Report it and we will check it against the scan.
Quick Help
No. The full paper opens straight away, with no login and nothing to pay.
Related Resources
Something wrong with this paper? Report it.
Connected Papers
Engineering / B.E. (Electrical Engineering) · 244 papers
2023 - ELEC3 Engineering Mathematic III
2023 - ELEC3Analog Electronics
2023 - ELEC3 Fundamantals Of Electrical Machines And Measurements
2023 - ELECDSE3 Fundamantals Of Electricalmachines And Measurements
2023 - DSE ELEC3Analog Electronics
2023 - ELECDSE3Electrical Power System I
2023 - ELEC3 Electrical Circuit Analysis
2023 - ELEC3Electrical Power System I
2023 - ELEC DSE3Engineering Mathematics III
2023 - DSE ELEC3 Electrical Circuit Analysis
2022 - ELEX Electronic Instruments And Measurements
2022 - Analog Electronics
2022 - Electrical Circuit Analysis
2022 - Engineering Mathematics III
2022 - Fundamantals Of Electrical Machines And Measurements
2022 - Electrical Power System I
2022 - ELEC Electrical Circuit AnalysisDSE
2022 - Analog ElectronicsDSE
2022 - ELEC Engineering Mathematics IIIDSC
2022 - Electrical Power System IDSE
2022 - Fundamantals Of Electrical Machines Measurements
2019 - Applied Mathematics III
2019 - Applied MathematicsIII ELECCBSGS
2019 - Conventional And Non Conventional Power Generation
2019 - Conventional And Non Convetional Power Generation
2019 - Electrial And Electronics Measurement
2019 - Electrical And Electronic Measurements
2019 - Electronics Device And Circuit
2019 - Eletronic Devices And Circuits
2018 - Aplied Mathematics III 2CBSGS
2018 - Applied Mathematics III
2018 - Conventional And Non Conventional Power Generation
2018 - Conventional And Non Conventional Power Generation
2018 - Electrial And Electronics Measurement
2018 - Electrial Machine I
2018 - Electrical And Electronic Measurements
2018 - Electronics Device And Circuit 1Choice Based
2018 - Eletronic Devices And Circuits
2023 - ELEC4Control System Design
2023 - ELEC 4Engineering Mathematics IV
2023 - ELEC4 Electrial AC Machines I
2023 - ELEC4Power Electronic Devices And Circuits
2023 - ELEC4 Electric And Hybrid Electric Vehicle
2023 - ELEC4 Digital Electronics
2022 - ELEC Electric And Hybrid Electric Vehicle
2022 - AC Machine 1
2022 - Digital Electronics
2022 - ELECPower Electronics Devices And Circuits
2022 - Engineering Mathematics IV
2022 - Electrical AC Machines I
2022 - Power Electronic Devices And Circuits
2022 - Digital Electronics
2022 - Electric And Hybrid Electric Vehicle
2022 - SE ELECEngineering Mathematics IV
2019 - Analog And Digital Integraed Circuits
2019 - Analog And Digital Integrated Circuits
2019 - Analog And Digital Integrated Circutis
2019 - Analog Anddigital Integrated Circuits
2019 - Applied Mathematics VI eleccbsgs
2019 - Applied Mathematics VI
2019 - Applied Mathematics
2019 - Electrical Machines I
2019 - Electrical Machines II
2019 - Electrical Machines
2019 - Electrical Networks
2019 - Electrical Networks
2019 - Electromagnetic Field And Wave Theory
2019 - Electromagnetic Field And Wave Theory
2019 - Elements Of Power System
2019 - Elements Of Power System
2019 - Elextrical Machines II
2019 - Numerical Methods And Optimization Echniques NS
2019 - Numerical Methods And Optimization Techniques
2019 - Power System I
2019 - Power System I
2019 - Signal Processing
2018 - Analog And Digital Integrated Circuits
2018 - Analog And Digital Integrated Circuits
2018 - Applied Mathematics 2CBSGS
2018 - Applied Mathematics
2018 - Electrical Machines I
2018 - Electrical Machines II
2018 - Electrical Networks
2018 - Electromagnetic Field And Wave Theory
2018 - Elements Of Power System
2018 - Numerical Methods And Optimization Techniques
2018 - Power System
2018 - Signal Processing
2023 - ELEC5Power Ystem Protection And Swichgear
2023 - ELEC5Renewable Energy Sources
2023 - ELEC5 Electromagnetic Field And Wave
2023 - ELEC5 Control System
2023 - ELEC5 Electrial AC Machine II
2023 - ELEC5 Electric Power Systems II
2023 - ELEC5INDUSTRIAL ROBOTICS
2022 - Renewable Energy Sources
2022 - Control System
2022 - Electric Power Systems II
2022 - Electrical AC Machines II
2022 - Electromagnetic Field And Wave
2019 - Communication Engineering
2019 - Communication Engineering
2019 - Control System I
2019 - Control System I
2019 - Electrical Machine II
2019 - Electrical Machine II
2019 - Electrical Machines III
2019 - Electrical Machines III
2019 - Electromagnetic Fields And Waves
2019 - Electromagnetic Fields And Waves
2019 - Microprocessor And Peripherals Interfacing
2019 - Power Electronics
2019 - Power Electronics
2019 - Power Electronics
2019 - Power Electronics
2019 - Power System II
2019 - Power System II
2019 - Protection And Switch Gear Engineering
2019 - Protection And Switch Gearengineering
2019 - Renewable Energy And Energy Storage
2019 - Renewable Energy And Energy Storage
2019 - Utilization Of Electrical Energy
2019 - Utilization Of Electrical Energy Elective IChoice Base
2018 - Communication Engineering
2018 - Control System I
2018 - Electrical Machine II
2018 - Electromagnetic Fields And Waves
2018 - Energy And Energy StorageDLOCChoice BasedElective I
2018 - Power Electronics
2018 - Power Electronics Open
2018 - Power System II
2018 - Protection And Switchgear Engineering
2018 - Utilization Of Electrical EnergyDLOCChoice BasedElective I
2023 - ELEC6Microcontroller Applications 1
2023 - ELEC6Signals And Systems 1
2023 - ELEC6 Electric TractionDLOC 1
2023 - ELEC6 Energy StorageDLOC 1
2023 - ELEC MECHATRONICSIOT HONOUR 1
2022 - TE ELEC Power System Protection And Switchgear
2022 - TE ELEC Protection Of Switchgear Engineering
2022 - Microcontroller Applications
2022 - ELEC CSDControl System Design
2022 - ELEC Signals Ans Systems
2022 - ELEC Electric Traction
2022 - ELECHigh Voltage Engineering
2022 - Signals And Systems
2022 - Power System Protection And Switchgear
2022 - Electric Traction
2022 - Control System Design
2022 - Industrial Robotics
2019 - Control System I
2019 - Control System II
2019 - Control System II
2019 - DLOC II Advanced Power Electronics
2019 - DLOC II Digital Communication Engineering
2019 - DLOC II Micro Grid
2019 - Digital Communication Engineering
2019 - Electrial Machines IV
2019 - Electrical Machines III
2019 - Electrical Machines IV
2019 - Micro Grid
2019 - Microcontroller And Its Application
2019 - Microcontroller And Its Applications
2019 - Microcontroller And Its Applications
2019 - Power System Analysis
2019 - Power System Analysis
2019 - Project Management
2019 - Project Management
2019 - Protectiion And Switchgear Engineering
2019 - Protectiion And Switchgear Engineering
2019 - Signal Processing
2019 - Singal Processing
2019 - Utilization Of Electrical Energy
2019 - Utilization Of Electrical Energy
2018 - Electrical Machines III
2018 - Microcontroller And Its Application
2018 - Power System Analysis
2018 - Project Managemant
2018 - Utilization Of Electrical Energy
2023 - ELEC BE7Electrical Drives And Control
2023 - ELEC BE7Electrical Power System III
2023 - ELECArtificial Intelligence And Machine Learning DLOC IV
2023 - ELECMicrogrid And Smart GridDLOC IV
2023 - BESEM7 ELECEnergy Audit And Management
2023 - ELECHVDC Transmission Systems DLOC III
2022 - Management Information System
2022 - Electrical Drives And Control
2022 - HVDC Trasmissin System III
2022 - Electrical Power System II
2022 - Artificial Intelligence And Machine Learning
2022 - Cyber Security And Laws
2022 - Microgrid And Smart Grid
2022 - Electrial Machine Design
2022 - Energy Audit And Management
2019 - Control System II
2019 - Control System II
2019 - Drives And Control
2019 - Electric Vehicle TechnologyDLOC III
2019 - Electrical Machine Design
2019 - Electrical Machine Design
2019 - Energy Audilt And Management EAM ELECChoice Base
2019 - High Voltage DC Transmission
2019 - High Voltage Direct Current Transmission
2019 - High Voltage Engineering
2019 - High Voltage Engineering HVE ELECElective ICBSGS
2019 - Hogh Voltage DC Transmission
2019 - Power Sysrem III
2019 - Power Sysrem Operation And Control
2019 - Power System Operation And Control
2019 - Renewable Energy And Energy Storage System REESS ELECCBSGS
2019 - Renewable Energy And Energy Storage Systems
2018 - Control System II
2018 - Electrical Machine Design
2018 - High Voltage Engineering Elective ICBSGS
2018 - Power System Operation And Control
2018 - Renewable Energy And Energy Storage System
2023 - ELEC8Power System Planning And RelibilityDLOC VI
2023 - ELEC8Power Quality And FACTsDLOC V
2023 - ELEC8Electrical System Design Management And Auditing
2023 - ELEC8Project Management
2023 - ELEC8 Environmental Management
2022 - Design Management And Auditing Of Electrical System
2022 - Environmental Management
2022 - Flexible AC Transmission System
2022 - Power System Planning And Reliability
2022 - ELEC8Power System Planning And RelibilityDLOC VI
2022 - ELEC8Power Quality And FACTsDLOC V
2022 - ELEC8Electrical System Design Management And Auditing
2022 - ELEC8Project Management
2022 - ELEC8 Environmental Management
2019 - Design Management And Auditing Of Electrical Systems
2019 - Design Management And Auditing Of Electrical Systems
2019 - Drives And Control
2019 - Drives And Control
2019 - Electric And Hybrid Electric Vehicle Technology
2019 - Flexible AC Transmission System
2019 - Flexible AC Transmission System Elective ICBSGS
2019 - Power System Planning And Reliability
2019 - Power System Planning And Reliability
2018 - Design Management And Auditing Of Electrical Sysrems
2018 - Drives And Control
2018 - Flexible AC Transmission SystemElective II
2018 - Power Sysyem Planning And Reliability
2018 - Smart Grid TechnologyElective II
Questions? Email contact@munotes.in
Done!