Power Electronics for Renewable Energy Systems(PRES)
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Important Questions
Prepared by
Santhosh (Admin )
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UNIT -1
1. Hydrogen** ,biomass **
2. Fuel cell **
3. Wind, ocean , Solar**(significant roles too)
UNIT-2
1. Double fed induction motor
2. SCIG**
3. PMSG**
UNIT-3
1. Power electronic interface of wind to grid
2. Grid Interactive Inverters(control statergies)
3. Standalone solar PV system
4. Matrix converters
5.PV FED buck boost converter
UNIT-4
1. SCIG WECS ,(fixed and semivariable conversation) Full topic )
2. Grid Integrated solar system**
UNIT-5
1. Hybrid system (diff configuration)
2. PV with MPPT system
PART-C
1.Compulsory Questions {a case study where the student will have to read and analyse the subject }
*These questions are expected for the exams This may or may not be asked for exams .
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SYLLABUs
UNIT I INTRODUCTIONEnvironmental aspects of electric energy conversion: impacts of renewable energy generation on environment (cost-GHG Emission) - Qualitative study of different renewable energy resources: Solar, wind, ocean, Biomass, Fuel cell, Hydrogen energy systems and hybrid renewable energy systems.
UNIT II ELECTRICAL MACHINES FOR RENEWABLE ENERGY CONVERSIONReference theory fundamentals-principle of operation and analysis: IG, PMSG, SCIG and DFIG.
UNIT III POWER CONVERTERSSolar: Block diagram of solar photo voltaic system -Principle of operation: line commutated converters (inversion-mode) - Boost and buck-boost converters- selection of inverter, battery sizing, array sizing Wind: Three phase AC voltage controllers- AC-DC-AC converters: uncontrolled rectifiers, PWM Inverters, Grid Interactive Inverters-matrix converters.
UNIT IV ANALYSIS OF WIND AND PV SYSTEMS
Stand alone operation of fixed and variable speed wind energy conversion systems and solar system- Grid connection Issues -Grid integrated PMSG, SCIG Based WECS, grid Integrated solar system
UNIT V HYBRID RENEWABLE ENERGY SYSTEMS
Need for Hybrid Systems- Range and type of Hybrid systems- Case studies of Wind-PV Maximum Power Point Tracking (MPPT).
UNIT II ELECTRICAL MACHINES FOR RENEWABLE ENERGY CONVERSIONReference theory fundamentals-principle of operation and analysis: IG, PMSG, SCIG and DFIG.
UNIT III POWER CONVERTERSSolar: Block diagram of solar photo voltaic system -Principle of operation: line commutated converters (inversion-mode) - Boost and buck-boost converters- selection of inverter, battery sizing, array sizing Wind: Three phase AC voltage controllers- AC-DC-AC converters: uncontrolled rectifiers, PWM Inverters, Grid Interactive Inverters-matrix converters.
UNIT IV ANALYSIS OF WIND AND PV SYSTEMS
Stand alone operation of fixed and variable speed wind energy conversion systems and solar system- Grid connection Issues -Grid integrated PMSG, SCIG Based WECS, grid Integrated solar system
UNIT V HYBRID RENEWABLE ENERGY SYSTEMS
Need for Hybrid Systems- Range and type of Hybrid systems- Case studies of Wind-PV Maximum Power Point Tracking (MPPT).