JNTUK R16 3-1 Power Electronics Material PDF Download

JNTUK R16 3-1 Power Electronics Material PDF Download

Students those who are studying JNTUK R16 EEE Branch, Can Download Unit wise R16 3-1 Power Electronics Material/Notes PDFs below.

JNTUK R16 3-1 Power Electronics Material PDF Download

Preamble: The usage of power electronics in day to day life has increased in recent years. It is important for student to understand the fundamental principles behind all these converters. This course covers characteristics of semiconductor devices, ac/dc, dc/dc, ac/ac and dc/ac converters. The importance of using pulse width modulated techniques to obtain high quality power supply (dc/ac converter) is also discussed in detail in this course.

OBJECTIVES:

• To study the characteristics of various power semiconductor devices and to design firing circuits for SCR.
• To understand the operation of single phase full–wave converters and analyze harmonics in the input current.
• To study the operation of three phase full–wave converters.
• To understand the operation of different types of DC-DC converters.
• To understand the operation of inverters and application of PWM techniques for voltage control and harmonic mitigation.
• To analyze the operation of AC-AC regulators.

UNIT-1

Power Semi-Conductor Devices Thyristors–Silicon controlled rectifiers (SCR’s) –Characteristics of power MOSFET and power IGBT– Basic theory of operation of SCR–Static characteristics– Turn on and turn off methods–Dynamic characteristics of SCR– Snubber circuit design– Basic requirements of gating circuits for SCR, IGBT and MOSFET.

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UNIT–2:

AC-DC Single-Phase Converters 1-phase half wave controlled rectifiers – R load and RL load with and without freewheeling diode – 1-phase full wave controlled rectifiers – center tapped configuration and bridge configuration- R load and RL load with and without freewheeling diode – continuous and discontinuous conduction – Effect of source inductance in 1-phase fully controlled bridge rectifier with continuous conduction.

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UNIT–3:

AC-DC 3-Phase Converters 3-phase half wave and Full wave uncontrolled rectifier – 3-phase half wave controlled rectifier with R and RL load – 3-phase fully controlled rectifier with R and RL load – 3-phase semi controlled rectifier with R and RL load.

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UNIT–4:

DC–DC Converters Analysis of Buck, boost and buck, buck-boost converters in ContinuousConduction Mode (CCM) and Discontinuous Conduction Modes (DCM) – Output voltage equations using voltsec balance in CCM & DCM output voltage ripple & inductor current, ripple for CCM only – Principle operation of forward and fly back converters in CCM.

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UNIT-5:

DC–AC Converters 1- phase halfbridge and full bridge inverters with R and RL loads – 3-phase square wave inverters – 1200 conduction and 1800 conduction modes of operation – PWM inverters – Quasi-square wave pulse width modulation – Sinusoidal pulse width modulation – Prevention of shoot through fault in Voltage Source Inverter (VSI) – Current Source Inverter (CSI) – Introduction to Auto Sequential Commutated Current Source Inverter (ASCCSI) .

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UNIT-6:

AC – AC Regulators. Static V-I characteristics of TRIAC and modes of operation – 1-phase AC-AC regulator phase angle control and integrated cycle control with R and RL load – For continuous and discontinuous conduction- 3-Phase AC-AC regulators with R load only – Transformer tap changing using antiparallel Thyristors.

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TEXT BOOKS:

1. Power Electronics: Circuits, Devices and Applications – by M. H. Rashid, Prentice Hall of India, 2nd edition, 1998
2. Power Electronics: Essentials & Applications by L.Umanand, Wiley, Pvt. Limited, India, 2009

REFERENCE BOOKS:

1. Elements of Power Electronics–Philip T.Krein.oxford.
2. Power Electronics – by P.S.Bhimbra, Khanna Publishers.
3. Thyristorised Power Controllers – by G. K. Dubey, S. R. Doradla, A. Joshi and R. M. K.Sinha, New Age International (P) Limited Publishers, 1996.
4. Power Electronics handbook by Muhammad H.Rashid, Elsevier.
5. Power Electronics: converters, applications & design -by Nedmohan, Tore M. Undeland, Robbins by Wiley India Pvt. Ltd.
6. Power Converter Circuits -by William Shepherd, Li zhang, CRC Taylor & Francis Group.

OUTCOMES:

• Explain the characteristics of various power semiconductor devices and analyze the static and dynamic characteristics of SCR’s.
• Design firing circuits for SCR.
• Explain the operation of single phase full–wave converters and analyze harmonics in the input current.
• Explain the operation of three phase full–wave converters.
• Analyze the operation of different types of DC-DC converters.
• Explain the operation of inverters and application of PWM techniques for voltage control and harmonic mitigation.
• Analyze the operation of AC-AC regulators.