Power Electronic.pdf


Mirror (Caution: use only if the main link does not work!)

Another IIT course material from Kharagpur, covers Power Electronic, 3 Phase AC, MOSFET and more.. Great reference for Electrical engineering students or for manufacture engineer..

Contents :

  • Module 1 Power Semiconductor Devices

    • Lesson 1 Power Electronics, objectives: Create an awareness of the general nature of Power electronic equipment; ~ Brief idea about topics of study involved, ~ The key features of the principal Power Electronic Devices; ~ An idea about which device to choose for a particular application. ~ A few issues like base drive and protection of PE devices and equipment common to most varieties.. contents: [ How is Power electronics distinct from linear electronics? ~ Power Semiconductor device - history ~ Power Diodes ~ Silicon Controlled Rectifier (SCR) ~ MOSFET ~ The IGBT ~ The GTO ~ Power Converter Topologies ~ Base / gate drive circuit ~ Protection of Power devices and converters ]
    • Lesson 2 Constructional Features, Operating Principle, Characteristics and Specification of Power Semiconductor Diode, objectives: Draw the spatial distribution of charge density, electric field and electric potential in a step junction p-n diode. ~ Calculate the voltage drop across a forward biased diode for a given forward current and vice-verse. ~ Identify the constructional features that distinguish a power diode from a signal level diode. ~ Differentiate between different reverse voltage ratings found in a Power Diode speciation sheet. ~ Identify the difference between the forward characteristic of a power diode and a signal level diode and explain it. ~ Evaluate the forward current specifications of a diode for a given application. ~ Draw the “Turn On” and “Turn Off” characteristics of a power diode. ~ Define “Forward recovery voltage”, “Reverse recovery current” “Reverse Recovery charge” as applicable to a power diode.. contents: [ Review of Basic p-n Diode Characteristics ~ Construction and Characteristics of Power Diodes ~ Power Diode under Reverse Bias Conditions ~ Power Diode under Forward Bias Condition ~ Switching Characteristics of Power Diodes ]
    • Lesson 3 Power Bipolar Junction Transistor (BJT), objectives: Distinguish between, cut off, active, and saturation region operation of a Bipolar Junction Transistor. ~ Draw the input and output characteristics of a junction transistor and explain their nature. ~ List the salient constructional features of a power BJT and explain their importance. ~ Draw the output characteristics of a Power BJT and explain the applicable operating limits under Forward and Reverse bias conditions. ~ Interpret manufacturer’s data sheet ratings for a Power BJT. ~ Differentiate between the characteristics of an ideal switch and a BJT. ~ Draw and explain the Turn On characteristics of a BJT. ~ Draw and explain the Turn Off characteristics of a BJT. ~ Calculate switching and conduction losses of a Power BJT. ~ Design a BJT base drive circuit.. contents: [ Basic Operating Principle of a Bipolar Junction Transistor ~ Constructional Features of a Power BJT ~ Output i-v characteristics of a Power Transistor ~ Switching characteristics of a Power Transistor ~ Turn On characteristics of a Power Transistor ~ Turn Off Characteristics of a Power Transistor ~ Switching Trajectory and Switching Losses in a Power Transistor ~ Base Drive Design and Power Darlington ]
    • Lesson 4 Thyristors and Triacs, objectives: Explain the operating principle of a thyristor in terms of the “two transistor analogy”. ~ Draw and explain the i-v characteristics of a thyristor. ~ Draw and explain the gate characteristics of a thyristor. ~ Interpret data sheet rating of a thyristor. ~ Draw and explain the switching characteristics of a thyristor. ~ Explain the operating principle of a Triac.. contents: [ Constructional Features of a Thyristor ~ Basic operating principle of a thyristor ~ Steady State Characteristics of a Thyristor ~ Thyristor ratings ~ Switching Characteristics of a Thyristor ~ The Triac ~ Steady State Output Characteristics and Ratings of a Triac ~ Triac Switching and gate trigger circuit ]
    • Lesson 5 Gate Turn Off Thyristor (GTO), objectives: Differentiate between the constructional features of a GTO and a Thyristor. ~ Explain the turn off mechanism of a GTO. ~ Differentiate between the steady state output and gate characteristics of a GTO and a thyristor. ~ Draw and explain the switching characteristics of a GTO. ~ Draw the block diagram of a GTO gate drive unit and explain the functions of different blocks. ~ Interpret the manufacturer’s data sheet of a GTO.. contents: [ Constructional Features of a GTO ~ Operating principle of a GTO ~ Steady state and dynamic characteristics of a GTO ~ Dynamic characteristics of a GTO ~ GTO gate drive circuit ~ GTO Ratings ~ Specifications related to the switching performance ]
    • Lesson 6 Metal Oxide Semiconductor Field Effect Transistor (MOSFET), objectives: Differentiate between the conduction mechanism of a MOSFET and a BJT. ~ Explain the salient constructional features of a MOSFET. ~ Draw the output i-v characteristics of a MOSFET and explain it in terms of the operating principle of the device. ~ Explain the difference between the safe operating area of a MOSFET and a BJT. ~ Draw the switching characteristics of a MOSFET and explain it. ~ Design the gate drive circuit of a MOSFET. ~ Interpret the manufacturer’s data sheet rating of a MOSFET.. contents: [ Constructional Features of a Power MOSFET ~ Operating principle of a MOSFET ~ Steady state output i-v characteristics of a MOSFET ~ Switching characteristics of a MOSFET ~ Circuit models of a MOSFET cell ~ Switching waveforms ~ MOSFET Gate Drive ~ MOSFET Ratings ]
    • Lesson 7 Insulated Gate Bipolar Transistor (IGBT), objectives: Differentiate between the constructional features of an IGBT and a MOSFET. ~ Draw the operational equivalent circuit of an IGBT and explain its operating principle in terms of the schematic construction and the operational equivalent circuit. ~ Draw and explain the steady state output and transfer characteristics of an IGBT. ~ Draw the switching characteristics of an IGBT and identify its differences with that of a MOSFET. ~ Design a basic gate drive circuit for an IGBT. ~ Interpret the manufacturer’s date sheet of an IGBT.. contents: [ Constructional Features of an IGBT ~ Operating principle of an IGBT ~ Steady state characteristics of an IGBT ~ Switching characteristics of IGBT ~ IGBT ratings and safe operating area ]
    • Lesson 8 Hard and Soft Switching of Power Semiconductors, objectives: To highlight the issues related to device stresses under Hard switching; ~ To suggest means of reducing such stresses with external circuitry; ~ To propose alternative switching methods for stress reduction; ~ Enable the choice of the appropriate switching strategy. contents: [ Soft and Hard Switching ~ Losses in Power Semiconductors ~ Conduction Losses ~ Blocking Losses ~ Switching Losses ~ Diode ~ Soft switching ]
  • Module 2 AC to DC Converters
    • Lesson 9 Single Phase Uncontrolled Rectifier, objectives: Classify the rectifiers based on their number of phases and the type of devices used. ~ Define and calculate the characteristic parameters of the voltage and current waveforms. ~ Analyze the operation of single phase uncontrolled half wave and full wave rectifiers supplying resistive, inductive, capacitive and back emf type loads. ~ Calculate the characteristic parameters of the input/output voltage/current waveforms associated with single phase uncontrolled rectifiers.. contents: [ Terminologies ~ Single phase uncontrolled half wave rectifier ~ Single phase uncontrolled full wave rectifier ~ Split supply single phase uncontrolled full wave rectifier. ~ Single phase uncontrolled full bridge rectifier ]
    • Lesson 10 Single Phase Fully Controlled Rectifier, objectives: Differentiate between the constructional and operation features of uncontrolled and controlled converters ~ Draw the waveforms and calculate their average and RMS values of different variables associated with a single phase fully controlled half wave converter. ~ Explain the operating principle of a single phase fully controlled bridge converter. ~ Identify the mode of operation of the converter (continuous or discontinuous) for a given load parameters and firing angle. ~ Analyze the converter operation in both continuous and discontinuous conduction mode and there by find out the average and RMS values of input/output, voltage/currents. ~ Explain the operation of the converter in the inverter mode.. contents: [ Single phase fully controlled halfwave rectifier ~ Single phase fully controlled bridge converter ~ Operation in the continuous conduction mode ~ Operation in the discontinuous conduction mode ~ Inverter Mode of operation ]
    • Lesson 11 Single Phase Half Controlled Bridge Converter, objectives: Draw different topologies of single phase half controlled converter. ~ Identify the design implications of each topology. ~ Construct the conduction table and thereby draw the waveforms of different system variables in the continuous conduction mode of operation of the converter. ~ Analyze the operation of the converter in the continuous conduction mode to find out the average and RMS values of different system variables. ~ Find out an analytical condition for continuous conduction relating the load parameters with the firing angle. ~ Analyze the operation of the converter in the discontinuous conduction mode of operation.. contents: [ Operating principle of a single phase half controlled bridge converter ~ Single phase half controlled converter in the continuous conduction mode ~ Single phase half controlled converter in the discontinuous conduction mode. ]
    • Lesson 12 Single Phase Uncontrolled Rectifier, objectives: Draw the conduction table and waveforms of a three phase half wave uncontrolled converter supplying resistive and resistive inductive loads. ~ Calculate the average and RMS values of the input / output current and voltage waveforms of a three phase uncontrolled half wave converter. ~ Analyze the operation of a three phase full wave uncontrolled converter to find out the input / output current and voltage waveforms along with their RMS and Average values. ~ Find out the harmonic components in the input / output voltage and current waveforms of a three phase uncontrolled full wave converter. ~ Analyze the operation of a three phase full wave uncontrolled converter supplying a Capacitive – Resistive load.. contents: [ Operating principle of three phase half wave uncontrolled rectifier ~ Three phase full wave uncontrolled converter ~ Operation of a 3 phase full wave uncontrolled bridge rectifier supplying an R - L - E load ~ Operation of a three phase uncontrolled bridge rectifier supplying a capacitive load ]
    • Lesson 13 Operation and Analysis of the Three Phase Fully Controlled Bridge Converter, objectives: Draw the circuit diagram and waveforms associated with a three phase fully controlled bridge converter. ~ Find out the average, RMS valves and the harmonic spectrum of the output voltage / current waveforms of the converter. ~ Find out the closed form expression of the output current and hence the condition for continuous conduction. ~ Find out the displacement factor, distortion factor and the power factor of the input current as well as its harmonic spectrum. ~ Analyze the operation of higher pulse number converters and dual converter. ~ Design the triggering circuit of the three phase fully controlled bridge converter.. contents: [ Operating principle of 3 phase fully controlled bridge converter ~ Analysis of the converter in the rectifier mode ~ Analysis of the converter in the inverting mode. ~ Higher pulse number converters and dual converter ~ Gate Drive circuit for three phase fully controlled converter ]
    • Lesson 14 Operation and Analysis of Three Phase Half Controlled Converter, objectives: Draw the circuit diagram and waveforms of different variables associated with a three phase half controlled converter. ~ Identify the constructional and operational difference between a three phase fully controlled and half controlled converter. ~ Calculate the average and RMS value of the output dc voltage. ~ Calculate the displacement factor, distortion factor and power factor of the input ac line current. ~ Calculate the Fourier series components of the output voltage and input current waveforms. ~ Derive the closed form expression for output dc current and hence identify continuous or discontinuous conduction mode of the converter.. contents: [ Operating principle of three phase half controlled converter ~ Analysis of three phase half controlled converters ]
    • Lesson 15 Effect of Source Inductance on the Performance of AC to DC Converters, objectives: Draw the voltage and current waveforms associated with a converter taking into account the effect of source inductance. ~ Find the average output voltage of the converter as a function of the firing angle and overlap angle. ~ Estimate overlap angles under a given operating condition and hence determine the turn off time available for the thyristors. ~ Draw the dc equivalent circuit of a converter and parameterize it. ~ Find out the voltage stress on the thyristors due to commutation overlap.. contents: [ Single phase fully controlled converter with source inductance ~ Three phase fully controlled converter with source inductance ]
    • Lesson 16 Power Factor Improvement, Harmonic Reduction, Filter, objectives: Schemes for the improvement of power factor in AC-DC converters. ~ Methods for harmonic reduction in the current waveforms of the converters. ~ Types of filters used to obtain ripple free (dc) output voltage and currents, reducing the harmonics.. contents: [ Power Factor Improvement ~ Extinction Angle Control ~ Symmetrical Angle Control ~ Pulse Width Modulation (PWM) Control ~ Sinusoidal Pulse Width Modulation (SPWM) Control ~ Low Pass (L-C) Filter ~ Two Stage Filter ~ Harmonic Reduction ~ Active Shaping of Input (line) Current ]
  • Module 3 DC to DC Converters
    • Lesson 17 Types of Basic DC-DC Converters, objectives: Three basic types of dc-dc converter circuits – buck, boost and buck-boost ~ The expressions for the output voltage in the above circuits, with inductive (R-L) and battery (or back emf = E) load. contents: [ DC-DC Converters ~ Buck Converters (dc-dc) ~ Boost Converters (dc-dc) ~ Buck-Boost Converters (dc-dc) ~ Control Strategies ~ Time-ratio Control ~ Constant Frequency Operation ~ Variable Frequency Operation ~ Current Limit Control ]
    • Lesson 18 Analysis of Buck Converter (DC-DC) Circuit, objectives: Derivation of the expressions for the maximum and minimum load currents ~ Calculation of the following: the duty ratio for the limit for continuous conduction, the average value and the ripple factor of the load current, the harmonic components of the output voltage waveform. contents: [ Buck Converter (DC-DC) ~ Maximum and Minimum Values of the Load Current ~ The Duty Ratio (k) for the Limit of Continuous Conduction ~ The Average Value of the Output Current ~ Fourier Analysis of the Output Voltage Waveform ]
    • Lesson 19 Commutation of Thyristor-Based Circuits Part-I, objectives: Requirements to be satisfied for the successful turn-off of a SCR ~ The turn-off groups as per the General Electric classification ~ The operation of the turn-off circuits ~ Design of a SCR commutation circuit. contents: [ Classification of forced commutation methods ~ Class A, Self commutated by resonating the load ~ Class B, Self commutated by an L-C circuit ~ Class C, C or L-C switched by another load-carrying SCR ~ Class D, L-C or C switched by an auxiliary SCR ~ Class E - External pulse source for commutation ~ Class F, AC line commutated ~ Rate of rise of forward voltage, dv/dt ]
    • Lesson 20 Commutation of Thyristor-Based Circuits Part-II, objectives: Practical significance of commutation ~ Limitations of line commutation ~ Ability to determine commutation interval ~ Insight to different methods of commutation ~ Consequences of the commutating methods on device stresses. contents: [ Commutation in PAC ~ Input voltage waveform distortion ~ Three-phase converters ~ Commutation in DC-DC Choppers ~ Practice Problems with Answers and Questions ]
    • Lesson 21 Introduction to Switched-Mode Power Supply (SMPS) Circuits, objectives: Identify the basic elements in a regulated power supply ~ Explain the basic principle of operation of linear and switched mode power supplies ~ Compare the merits and demerits of SMPS vis-Ã -vis linear power supplies ~ Interpret Power supply specifications. contents: [ Introduction to regulated dc power supplies ~ Linear regulated power supply ~ Switched Mode Power Supply (SMPS) ~ SMPS versus linear power supply ~ Hybrid (SMPS followed by linear) power supply ~ Multiple output SMPS ~ Resonant Mode Power Supplies ]
    • Lesson 22 Fly-Back Type Switched Mode Power Supply, objectives: Identify the topology of a fly-back type switched mode power supply circuit. ~ Explain the principle of operation of fly-back SMPS circuit. ~ Calculate the ratings of devices and components used in fly-back converter for the specified input and output voltages and for the required output power. ~ Design a simple fly-back converter circuit.. contents: [ Basic Topology of Fly-Back Converter ~ Circuit Equations Under Continuous-Flux Operation ~ Circuit Equations Under Discontinuous-Flux Mode ~ Continuous Versus Discontinuous Flux Mode of Operation ~ A Practical Fly-Back Converter ]
    • Lesson 23 Forward Type Switched Mode Power Supply, objectives: Identify the topology of a forward type switched mode power supply circuit. ~ Explain the principle of operation of a forward dc-to-dc power supply. ~ Calculate the ratings of devices, components, transformer turns ratio for the given input and output voltages and the required output power. ~ Design a simple forward type switched mode power supply circuit.. contents: [ Practical Topology of A Forward Converter Circuit ~ Selection of Transformer Turns Ratio ~ Selection of Filter Circuit Inductor and Capacitor ]
    • Lesson 24 C uK and Sepic Converter, objectives: Compare the advantages and disadvantages of ??CuKand Sepic converters with those of three basic converters. ~ Draw the circuit diagrams and identify the operating modes of ??CuKand Sepic converters. ~ Draw the waveforms of the circuit variables associated with ??CuKand Sepic converters. ~ Calculate the capacitor voltage ripples and inductor current ripples in ??CuKconverter.. contents: [ Analysis of C uK converter ~ Expression for average output voltage and inductor currents ~ Current ripple and voltage ripple calculations ~ The SEPIC Converter ]
    • Lesson 25 Design of Transformer for Switched Mode Power Supply (SMPS) Circuits, objectives: Explain the underlying principles behind the design of a high frequency transformer and inductor. ~ Do a preliminary design of a high frequency transformer for some popular configurations of SMPS circuits. ~ Do a preliminary design of a high frequency inductor. ~ Estimate the size of an SMPS transformer of some given VA rating.. contents: [ Recapitulation of Governing Equations for Utility Transformer ~ Derivation of Design Equations for SMPS Transformer ~ Transformer with Square-Wave Voltage and Bipolar Flux ~ Transformer with Unipolar Flux ~ Design of Inductor-Transformer ~ Transformer Winding ]
  • Module 4 AC to AC Voltage Converters
    • Lesson 26 AC to AC Voltage Converters, objectives: AC-AC power conversion topologies at fixed frequency ~ Power converter options available for the conversion ~ Ability to formulate equations describing the current waveform for the PAC ~ Ability sketch the current waveform by observation of the circuit ~ Ability to assess the performance of the converter of the topologies. contents: [ Operation with resistive loads ~ Power Factor ~ Operation with inductive loads ~ AC-AC Chopper ~ PAC as a static switch ]
    • Lesson 27 Three-phase AC Regulators, objectives: The circuits used for the three-phase ac regulators (ac to ac voltage converters) ~ The operation of the above circuits with three-phase balanced resistive (R) load, along with the waveforms ~ The important points of comparison of the performance with different types of circuits. contents: [ Three-phase AC Regulators ~ Three-phase Delta-connected AC Regulator with Balanced Resistive Load ~ Comparison of the Different Circuits used for Three-phase AC Regulators ]
    • Lesson 28 Phase Angle Control in Triac-based Single-phase AC Regulators, objectives: The circuit used for the phase angle control in triac-based single-phase ac regulators (ac to ac voltage converters) ~ The operation of the various blocks used in the circuit, along with the waveforms ~ The harmonic analysis of the output voltage of a single-phase ac regulator with resistive load. contents: [ Phase Angle Controller Circuit for Triac-based Single-phase AC Regulator ~ TRIAC ~ DIAC ~ Harmonic Analysis of the Output Voltage Waveform ~ ]
    • Lesson 29 Introduction to Cyclo-converters, objectives: The cyclo-converter circuits – basic principle of operation ~ The circuit for the single-phase to single-phase cyclo-converter using thyristors ~ The operation of the above cyclo-converter circuit, along with the voltage waveforms. contents: [ Cyclo-converter Basic Principle of Operation ~ Single-phase to Single-phase Cyclo-converter ~ Discontinuous load current ~ Continuous load current ~ Advantages and Disadvantages of Cyclo-converter ~ Advantages and Disadvantages of DC Link Converter ]
    • Lesson 30 Three-phase to Single-phase Cyclo-converters, objectives: The three-phase to single-phase cyclo-converter circuit, using two three-phase full-wave thyristorised bridge converters ~ The operation of the above cyclo-converter circuit, along with the voltage waveforms. contents: [ Three-phase to Single-phase Cyclo-converter ~ Circulating Current Mode of Operation ~ Cyclo-converter, using two three-phase half-wave converters ]
    • Lesson 31 Three-phase to Three-phase Cyclo-converters, objectives: The three-phase to three-phase cyclo-converter circuit, using six three-phase half-wave thyristorised converters ~ The operation of the above cyclo-converter circuit ~ The analysis of the cyclo-converter output waveform. contents: [ Three-phase to Three-phase Cyclo-converter ~ Analysis of the Cyclo-converter Output Waveform ]
    • Lesson 32 Control Circuit for Three-phase to Three-phase Cyclo-converters, objectives: The control circuits used for the three-phase to three-phase cyclo-converters using two three-phase converters, to generate the firing pulses for the thyristors ~ The functional blocks, including the circuit and waveforms. contents: [ Control Circuit for Cyclo-converters ~ Synchronising Circuit ~ Reference Voltage Sources ~ Logic and Triggering Circuit ~ Circuit for Converter Group Selection ]
  • Module 5 DC to AC Converters
    • Lesson 33 Introduction to Voltage Source Inverters, objectives: Identify the essential components of a voltage source inverter. ~ Explain the principle behind dc to ac conversion. ~ Identify the basic topology of single-phase and three-phase inverters and explain its principle of operation. ~ Explain the gate drive circuit requirements of inverter switches.. contents: [ How to Get AC Output From DC Input Supply? ~ What If The Load Is Not Resistive? ~ General Structure of Voltage Source Inverters ~ Need For Isolated Gate-Control Signals For The Switches ~ Classification of Voltage Source Inverters ]
    • Lesson 34 Analysis of 1-Phase, Square – Wave Voltage Source Inverter, objectives: Explain the operating principle of a single-phase square wave inverter. ~ Compare the performance of single-phase half-bridge and full-bridge inverters. ~ Do harmonic analysis of load voltage and load current output by a single-phase inverter. ~ Decide on voltage and current ratings of inverter switches.. contents: [ Harmonic Analysis of The Load Voltage And Load Current Waveforms ~ Time Domain Analysis ~ Frequency Domain Analysis ~ Analysis Of The Single-Phase Full Bridge Inverter ~ Voltage And Current Ratings Of Inverter Switches ~ Applications Of Square Wave Inverter ]
    • Lesson 35 3-Phase Voltage Source Inverter With Square Wave Output, objectives: Explain the operating principle of a three-phase square wave inverter. ~ Understand the limitations and advantages of square-wave inverters. ~ Do harmonic analysis of load voltage and load current output by the three-phase sq. wave inverter. ~ Decide on voltage and current ratings of inverter switches.. contents: [ Determination Of Load Phase-Voltages ~ Harmonic Analysis Of Load Voltage Waveforms ~ Voltage And Current Ratings Of Inverter Switches ~ Use And Limitations Of 3-Phase Square Wave Inverter ]
    • Lesson 36 3-Phase Pulse Width Modulated (PWM) Inverter, objectives: Explain the philosophy behind PWM inverters. ~ Understand the advantages and disadvantages of PWM inverters. ~ Compare the quality of output voltage produced by different PWM inverters ~ Decide on voltage and current ratings of inverter switches.. contents: [ Nature Of Pole Voltage Waveforms Output By PWM Inverters ~ Harmonic Analysis Of Pole Voltage Waveform ~ Trade Off Between Low Order And High Order Harmonics ~ Brief Description Of Some Popular PWM Techniques ~ Two-Level Versus Three-Level PWM Inverters ~ Considerations On Switch Voltage And Current Ratings ]
    • Lesson 37 Sine PWM and its Realization, objectives: Explain the concept of sine-modulated PWM inverter ~ Design a simple controller for the sine-PWM inverter ~ Calculate output voltage magnitude from the inverter operating parameters ~ Compare sine-modulated PWM inverter with square wave inverter. contents: [ Analysis Of The Pole Voltage Waveform With A Dc Modulating Signal ~ Pole Voltage Waveform With Sinusoidal Modulating Signal ~ What Is Modulation Index? ~ What Is Over-Modulation? ~ A 1-Phase Sine-PWM Inverter Of H-Bridge Topology ~ Generation Of 3-Phase Sine-PWM Waveform ~ A Typical Circuit For Generation Of PWM Waveforms ]
    • Lesson 38 Other Popular PWM Techniques, objectives: Explain the concept of sine+3rd harmonic modulated PWM inverter ~ Explain Space-Vector based PWM (SVPWM) technique ~ Estimate output voltage of the inverter using above PWM techniques ~ Compare at least five different PWM techniques for a 3-phase inverter. contents: [ How To Get More Output Voltage From The Same DC Bus Voltage? ~ Sine + 3rd Harmonic PWM Technique ~ Space Vector PWM (SV-PWM) Technique ~ Smoothly Rotating Space Voltage Vector From Inverter ~ Algorithm For Producing Sinusoidal Output Voltages Using SV-PWM ~ Some Other Popular PWM Techniques ~ Selective Harmonic Elimination Technique ~ Current Controlled PWM (CCPWM) Technique ]
    • Lesson 39 Current Source Inverter, objectives: The circuit for single-phase Current Source Inverter (CSI) using thyristors ~ Auto-Sequential Commutated mode of operation for 1-ph. Inverter (ASCI), with waveforms ~ Three-phase Current Source Inverter (CSI) – circuit and operation, with waveforms. contents: [ Single-phase Current Source Inverter ~ Three-phase Current Source Inverter ]
    • Lesson 40 Load-commutated Current Source Inverter (CSI), objectives: Study of the circuit and operation for Load-commutated Current Source Inverter (CSI). contents: [ Load-Commutated CSI ] ]


High Speed Downloads [9366 dl's @ 3000 KB/s]


PLEASE FILL RECAPTCHA BELOW TO GET THE LINK(S)TO DOWNLOAD/READ ONLINE THE CURRENT MATERIAL

 

Comments

79 Responses to “Power Electronic.pdf”

  1. GOH KAH BOON on July 14th, 2008 10:57 am

    Lesson 24 is not downloadable

  2. admin on July 14th, 2008 2:43 pm

    @GOH: link was fixed, thanks for the feedback :)

  3. santosh kumar varanasi on July 17th, 2008 11:56 am

    wanting more on choppers

  4. P.Thamaraiselvan on July 19th, 2008 12:10 pm

    Dear sir ,

    I was interest to read the Power Electronics book (Lession 24) send the soft copy to my mail ID . that is useful for my reference.
    Thanking you ,
    Regards,
    P.Thamaraiselvan

  5. admin on July 20th, 2008 2:39 pm

    Sorry I don’t send material by mail, just click the download link and you’re good to go

  6. kumaravel.J on July 22nd, 2008 11:22 am

    lifelong useful materials……..

  7. Rana on July 26th, 2008 5:24 am

    Dear Sir,
    We need ” Electrical Technology” Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  8. Rana on July 26th, 2008 5:31 am

    This website is very helpful for us because we can download many important for those are very essential fir our study. Thanks for all helping us.

  9. imrul on August 13th, 2008 2:11 pm

    wanna get books

  10. Ekiyor martin on August 15th, 2008 2:48 am

    i like this , please send information to be part of this.. thanks

  11. Engr. Ekiyor martin Thompson on August 15th, 2008 10:06 pm

    i’d like to thank all those who have put this work together. i will also recommend this site for all Triple EDF Nigerian students , find time to read this..and for those putting this work together… i want your email addresses so that we can communicate. thank you and good work!

  12. admin on August 15th, 2008 11:19 pm

    You’re welcome, regarding email address, you can find my email on the bottom of the “Privacy Policy” page :)

  13. Teena on August 30th, 2008 1:41 pm

    These books are very useful for my career.Thanks

  14. Hendawy on September 6th, 2008 12:40 pm

    Very valuable books

  15. pranav on September 8th, 2008 2:34 pm

    here admin
    there’s some prob loading lessons 12,26,27,30,38
    it prompts damaged file.
    plz see to it.
    and thanx a lot for these materials
    its really helpful

  16. admin on September 8th, 2008 5:09 pm

    Has anyone noticed same problem with pranav? because all links are working fine from here including lessons 12,26,27,30,38

  17. pranav on September 9th, 2008 12:36 am

    HEY ADMIN
    THANX FOR THE CONCERN IT GOT LOADED WHEN I TRIED NOW
    THANX A LOT
    AND SORRY FOR BOTHERING U 4 THIS

  18. yaseen akhtar on September 10th, 2008 6:51 pm

    Dear sir
    I like ur books 4 electrical.plz snd soft copy 2 my email ID
    thanking u

  19. Vinh Hao on September 14th, 2008 11:53 pm

    Dear sir
    I am very grateful to you for these materials.
    Would you mind sending me some materials about design boost and buck converter?
    Thank you very much

  20. Uncle B on September 16th, 2008 1:24 am

    A Great set! Wish we had more stuff like this. God Bless You!

  21. mugunthan on October 1st, 2008 7:46 pm

    i am very grateful to you

  22. Fazal Ilahi Butt on October 2nd, 2008 8:42 pm

    Dear Sir,
    I need thyristor Firing circuits and its related literature. Please send me related literature on my e-mail.

    Thanks

    Fazal Ilahi Butt
    Pakistan

  23. chrishan on October 6th, 2008 11:38 pm

    DEAR SIR ,
    A FINE PDF SERIES ACTUALLY.THANX LOT….
    SEND ME MORE BOOKS ON MY E-MAIL

  24. baljit singh on October 10th, 2008 10:12 pm

    please tell me the advantages & disadvantages of cycloconverters

  25. john merry on October 13th, 2008 2:33 am

    Thanks for the download,it was most informative.
    johnny.

  26. NURENI JIMOH on October 15th, 2008 9:12 pm

    Dera Sir,
    This book is a very good book,the authur has done a very goob job.It is indeed a world class material i.e its among the best material on power electronics. But sir i want to know something about parallel connection of power transistors in inverters.

  27. E.Sharan Dilip on October 16th, 2008 5:22 pm

    REspected official
    i was very impressed by the material provided by it stood very help ful to me.If any possibility of sending this pdf books to my id then that would be wonderful

  28. gayan on October 17th, 2008 11:12 am

    Dear Sir,
    We need ” Electrical Technology” Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  29. gayan on October 17th, 2008 11:17 am

    explain with reference to trigger circuit and voltage wave forms operation of controlled by,
    1. phase angle control
    2. burst fringing control

  30. suneel on October 18th, 2008 1:37 pm

    sir,
    I am thanks for your kind good information.But I am not possible to download your contents in text book.I am doing Mtech thesis on PFC .so sir show alternative way to me.

  31. ATHER on October 19th, 2008 5:20 pm

    The book was very organized and the subject treatment was conceptually satisfying. I would appreciate it if the author came with a similar experimental manual on Power Electronics with easily built practical projects highlighting the characteristic features of power semiconductor devices.

  32. Bharani on October 22nd, 2008 1:45 pm

    the book is awesome.. contents are well organised.. thanks ..

  33. ravi on October 25th, 2008 1:38 pm

    thanks for all these materials
    i want the basics involved in “power line communication” and what are the devices involved in making a power line communication.if needed what books i should go through to understand its basics clearly. as i am doing a project so plz suggest me any book if required from india and one more thing i need a good material on”Electrical Machine Design”.

  34. jayant kumar on October 25th, 2008 3:10 pm

    very good collection by iit kanpur

  35. ahsan ullah on October 28th, 2008 1:36 pm

    Dear Sir,
    We need ” Electrical Technology” Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  36. zohrabi khodakhast on October 29th, 2008 2:43 am

    dear prof, thanks for all your donour
    by the great PROPHET (Mohaammad): The best goodness , it is pupliction of knowledge.

  37. AFSAL on November 2nd, 2008 3:21 am

    Dear sir,

    Thank you sir for your good works. Keep spreading knowledge.

    hey guys this is the material that every PE (EEE) students require. It has Every basic concepts and some in details. All are explained in very simple language. And don`t forget to keep the table of content with you. Then you can search any part easly

    Sir once again thanx for giving us this world class material

  38. Borislav Petar Brnjada on November 8th, 2008 2:15 am

    Thank you very much for your help to me.

  39. SAIF-UR-REHMAN on November 19th, 2008 9:37 pm

    I AM INTERESTED IN FOLLOWING BOOKS.Please help and oblige.
    1 repairing of Printed Electronics Circuits
    2 checking method of electronics components,i.e IC,Transictor,FET,MOSFET,IGBT,TYRISTOR,VOLTAGE REGULATOR etc.
    3 Designing of DC convertor Circuit
    4 Designing of PCB, Digital counter,weighing system etc.
    5 Vector Control Technology Frequency Invertor book
    THANKS,
    SAIF-UR-REHMAN

  40. SAIF-UR-REHMAN on November 20th, 2008 10:50 pm

    Please send Tyristor firing circuit and its related books.
    REGARDS,
    SAIF

  41. senthilkumar on November 30th, 2008 12:30 pm

    am working service engg . i want how to service delta inverter ?
    i hvaveing problem here
    occ error
    jerking
    how to solve this problem pls send me mail

  42. saravanan on December 1st, 2008 6:12 pm

    thanks for the great oppertunity

  43. ravik on December 17th, 2008 1:58 pm

    it was very useful

  44. Mide on December 20th, 2008 4:35 am

    God bless you and your family. Thanks for great job

  45. J.P Chandana pushpa kumara on December 31st, 2008 1:03 pm

    Thanks for downloads

  46. Aruljothi on January 2nd, 2009 5:32 pm

    hi sr,

    i am really thanks you for ur power electronics pdf’s.

    sir one request ,
    how to solve that problems …

    upload please sir..

    thank you .

  47. musham sreedhar babu on January 3rd, 2009 9:41 pm

    sir
    i want the detail information about the design of power electronics lab circuits. pelase give me the information how to design the circuits.

  48. Arun Kumar on January 11th, 2009 12:07 am

    Sir, i am going to write my gate exam… i am not affordable to buy materials.. can you send any links containing materials…
    contact: arunkumar.bose@hotmail.com

  49. balaji k ram on January 12th, 2009 10:44 pm

    hi sir
    i am the Hod in the college of srkr and i would like to inform and request you to upload the electrical engineering books

  50. solo on January 18th, 2009 2:07 am

    hi , am looking for pdf copy of text book of electrical technology by B.L.Theraja and A.K.theraja
    Thanks

  51. omar on January 23rd, 2009 2:09 pm

    i am searching about (principle of operation of a thyrister using the analogy of two transistors)help me to find this topic,please.

  52. vijaya on January 24th, 2009 9:52 pm

    can anyone please help me suggesting the reference material or send me some explanation of the topics in HVDC LIKE FOR STATIC POWER CONVERTERS.

  53. Uke Douglas Ozoemena on January 30th, 2009 9:48 pm

    Your are doing a very good work.
    A million thanks just can’t be enough for your work.
    God bless you can only serve.

  54. Uke Douglas Ozoemena on January 30th, 2009 9:53 pm

    Please I need some books on Mechatronics and Mechatronic Systems

  55. kamalesh on February 4th, 2009 12:55 pm

    Dear sir

    When i clicked on lession1,2,..19,then it gave the following things.please check this

    ERROR
    The requested URL could not be retrieved

    ——————————————————————————–

    While trying to retrieve the URL: nptel.iitm.ac.in/courses/Webcourse-contents/IIT%20Kharagpur/Power%20Electronics/PDF/L-19(SSG)(PE)%20((EE)NPTEL)%20.pdf

    The following error was encountered:

    Request Timeout
    The system returned:

    A Timeout occurred while waiting to read data from the network. The network or server may be down or congested. Please retry your request.

  56. admin on February 4th, 2009 7:29 pm

    kamalesh: I just checked and it’s working fine, probably the site was down when you were trying to download.

  57. kwame amoah acheampong on February 16th, 2009 2:05 am

    dear sir
    your books are very good and we all appreciate them and your efforts to make them available to us electrical/electronic engineering students. im in knust in ghana and the connection here is quite slow. can u please send the power electronics pdf to my mail.thaT WILL be easier to download. hoping to hear from you soon. that you

  58. Sameer on February 28th, 2009 7:24 pm

    dear sir, i desperately need these 2 books:

    1.Electronic Devices and Circuits by BL Theraja
    2.Transmission,Distribution and Utilization by BL Theraja

    Any volume obtained is fine for me thx hope to hear from u soon.

  59. Hendawy on March 3rd, 2009 5:58 pm

    Dear Sir,
    We need Electrical Technology Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  60. shivendu on April 25th, 2009 11:46 pm

    i need details of asymmetrical semi-boost converter..its urgent

  61. rakshith on May 3rd, 2009 2:10 pm

    sir i want to know about the operating principle of thyrister based hvdc converters.. can u please add the soft copy relatingto this topic in thi ssite.. its urgent please as i am doing projecct on hvdc system.
    i also want to know about the formulas used for design of hvdc transmission system

  62. RAJENDRA TALANIA on June 14th, 2009 1:09 pm

    respected sir, i want a soft copy of a book related to electronics engineering like electronic principle written by millman &halkias.
    THANKS

  63. aleixo on June 15th, 2009 6:10 am

    Please some more on AC~AC converters topologies ;
    eg: one direct ac line & two triac controlled;
    Trully
    Aleixo from Brazil

  64. Mahipal jhala on July 15th, 2009 9:34 pm

    respected sir,
    thanx for use full material,

    m.b.jhala

  65. Mohamed Guru on July 20th, 2009 9:29 pm

    respected sir, i want e-books related to electronics engineering…..
    Thank you….

    BY Mohamed

  66. anil vyas on October 23rd, 2009 12:18 am

    Sir, I am searching how to draw phasor diagram of transformer on diff p.f.

  67. Isele on October 24th, 2009 12:50 am

    God bless all who have contributed to the growth of this txt. we wish to see more. thank you.

  68. vidya.m on October 25th, 2009 4:04 pm

    i want more information abt flyback converters using synchronous rectification for gaining high efficiency

  69. venkatesha on November 6th, 2009 3:00 pm

    Respected sir,
    This is venkatesha.K working as a lecturer in BNM Institute of technology, Bangalore-70. I want max. info regarding AC Chopper of all basic modes like
    (1) Buck ac chopper (2) Boost & (3) Buck Boost AC Chopper for both R & RL Load to do projects for UG Students. and also its design and mathematical models
    thank u
    urs faithfully
    K.VENKATESHA

  70. selvaraj on November 25th, 2009 8:28 pm

    I need service manuals to repair all kinds of electronic equipments in the medical electronics field like patient monitoring devices and measuring devices and also for lcd screens.
    please send me the downloadable link.thank you.

  71. Girmaw T. on November 28th, 2009 9:50 pm

    The base of successful professional is knowlage aquired from edcation. Quality education is well equiped by materials in addition to teacher. I got a good book from K.VENKATESHA.
    GOOD!!! WOW!!!!!!!

  72. daniel on February 10th, 2010 8:40 pm

    sir !
    i would like to have a soft copy of power system
    JB Gupta. it will be good for my study of power system. thank u in advance.

  73. Ebenezer Djan on March 23rd, 2010 2:47 am

    sir electrical engineering softbooks to make my study exciting.

  74. BIMAN GARAI on May 2nd, 2010 11:14 pm

    Dear Sir,
    We need ” Electrical Technology” Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  75. Kazi shamsul Alam on May 24th, 2010 12:57 pm

    Dear Sir,
    We need ” Electrical Technology” Vol-I,Vol-II, Vol-II,Vol-III, Vol-IV, By B.L Theraja & A.K Theraja. These books is essential for engineering study. Plase add these books soft copy in this site. Thanks

  76. safdar on June 13th, 2010 5:53 pm

    plz send me this e book at the above mentioned address

  77. admin on June 13th, 2010 6:17 pm

    safdar: pls read our FAQ (so you know how to get the ebook) http://www.onlinefreeebooks.net/faq-frequently-asked-questions/

  78. Sonali Rangari on June 22nd, 2010 12:53 pm

    Thank you sir for such knowledge of power electronics. Can u suggest me any topic related with power electronics for research work. Help me .

  79. admin on July 29th, 2010 8:05 am
eXTReMe Tracker