Leakage models of multi-winding transformer and implications to LLC converter Sam Ben-Yaakov 2022-12-24 | Relevant videos can be found by searching in YouTube: “sam ben yaakov leakage”
Transformer leakage in LLC converters Sam Ben-Yaakov 2022-12-17 | Relevant videos Demystifying the meaning of leakage inductance of transformers and coupled inductorsyoutu.be/TUfaN40T1YgMore on transformers, leakage, turns ratio, and voltage and current transfer ratioyoutu.be/h9_bzy33xJU
More on transformers, leakage, turns ratio, and voltage and current transfer ratio Sam Ben-Yaakov 2022-12-09 | Important background video youtu.be/TUfaN40T1Yg
Magnetic circuits and SPICE: Electro-magnetic interface: Part II of two parts Sam Ben-Yaakov 2022-12-02 | Related videoyoutu.be/JDgdT-gkqj4Reluctance, magnetic circuit, LLC, LTspice, magnetics
Magnetic circuits and SPICE: a practical example: Part I of two parts Sam Ben-Yaakov 2022-11-22 | Related videoyoutu.be/TUfaN40T1YgReluctance, LLC, converters, power supply, integrated magnetics
Combined inductor and current sensor Sam Ben-Yaakov 2022-11-01 | CORRECTION: slide 12 - 'small' and 'large' need to be interchanged Relevant videos:Current sensing by Hall Effectyoutu.be/yf99kcTi6ccApproximate and exact air gap effect in ferrite core inductorsyoutu.be/VsRsgDJMSqw
Stored energy in nonlinear inductors: And answer to riddle Sam Ben-Yaakov 2022-09-02 | Relevant reference:Inductance definitions, modeling, and simulationYivgeni Semidotskih, Evgeny Rozanov, Hermann Haag, Florian Haemmerle And Shmuel (Sam) Ben-Yaakovhttps://lnkd.in/gFMYFcbj
An intuitive explanation of fractional turn transformers Sam Ben-Yaakov 2022-08-28 | A relevant paperM. K. Ranjram and D. J. Perreault, “A Modeling Approach for the VIRT and Other Coupled Electronic and Magnetic Systems,” IEEE Journal of Emerging and Selected Topics in Power Electronics, pp. 1–1, 2021, doi: 10.1109/JESTPE.2021.3120434.
Stored energy in nonlinear inductors: A riddle inspired by a comment of Prof. Cuk Sam Ben-Yaakov 2022-08-25 | In a recent LinkedIn post, Prof. Slobodan Cuk declared: The “derivative inductance” and “energy related inductance” are just fiction! Fictional inductances are in: https://lnkd.in/gFMYFcbjThis riddle is related to the “energy related” inductance
Approximate and exact air gap effect in ferrite core inductors Sam Ben-Yaakov 2022-08-20 | Fringing effect, gaped ferrite cores, permeability, magnetic cores, inductance.
The ESL of axial electrolytic capacitors with a measurement demonstration Sam Ben-Yaakov 2022-08-08 | ...
Answer to riddle: Why a fast diode in a gate driver bootstrap circuit? Sam Ben-Yaakov 2022-07-27 | Relevant video:Gate driver bootstrap riddle: Why a fast diode?youtu.be/9dFXA5B9NIARelevant publication:N. Krihely and S. Ben-Yaakov, “Simulation bits: adding the reverse recovery feature to a generic diode,” IEEE Power Electronics Society Newsletter, 25, 2, 26-30, 2011. https://www.ee.bgu.ac.il/~pel/pdf-files/jour129.pdf
Deciphering multiphase interleaved PWM converters with coupled inductors Sam Ben-Yaakov 2022-07-16 | Relevant videoA primer to: Multiphase Buck Convertersyoutu.be/1iq-YA2ivosError correction: on slide 11 the video that should have be referenced is youtu.be/TUfaN40T1Yg and not the one above.
Calculating the inductance of a DC biased inductor Sam Ben-Yaakov 2022-07-05 | Related videos: Search for “inductor” at “sam ben-yaakov” YouTube channelError corrections: 1. At minute 5:55, it should have been said " much smaller than" and not "much larger than" as recorded.
Answer to riddle: Analysis and design of diodes RC snubber Sam Ben-Yaakov 2022-07-01 | Reverse recovery, snubber, clamp, PWM, stray inductance.
A riddle on the inductance of an interrupted switching-loop Sam Ben-Yaakov 2022-06-24 | Error correctio. Please note: Ld=Ls . Sorry for the confusion. Stray inductance, PCB, EMI, PWM converters, oscillations.
Probing into TI’s: “Comparative Analysis of ... Gate Drive Current Boosting” Sam Ben-Yaakov 2022-06-17 | Error correctio: in slide 17 the correct inductor value is 1.5e-7 and not as written The answer for R is correct. Relevant video:youtu.be/mYxzdfTsnMA
Modeling ceramic capacitors loss under high DC bias voltage and high current stress Sam Ben-Yaakov 2022-06-11 | Error correction: In slides 17, 18, Irms should be multiplied by square root of 2 {Sqtr(2)} and not divided by it, as erroneously shown. REFERENCESFerroelectric ceramic capacitors: There is more than meets the eyeyoutu.be/xRIVtkvY0HIS. Ben-Yaakov, "Some Observations on Loss and Hysteresis of Ferroelectric-Based Ceramic Capacitors," in IEEE Transactions on Power Electronics, vol. 33, no. 11, pp. 9127-9129, Nov. 2018.D. Menzi, D. Bortis, G. Zulauf, M. Heller and J. W. Kolar, "Novel iGSE-C Loss Modeling of X7R Ceramic Capacitors," in IEEE Transactions on Power Electronics, vol. 35, no. 12, pp. 13367-13383, Dec. 2020.H. Haag, F. Haemmerle and S. Ben-Yaakov, "Voltage Bias Effect on the ESR of Ferroelectric Ceramic Capacitors," PCIM Europe digital days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2020, pp. 1-6.
The effect of package size on ceramic capacitors’ parameters Sam Ben-Yaakov 2022-06-01 | A joint work of Yivgeni Semidotskih and Sam Ben-YaakovRelated videos:PCIM 2019_Ceramic Capacitor Seminar_Part 1: youtu.be/yCK1hzgS_mUPCIM 2019_Ceramic Capacitor Seminar_Part 2 youtu.be/vOsZD3rWCJMPCIM 2019_Ceramic Capacitor Seminar_Part 3 youtu.be/2lfBvzhHsoc
Electrolytic capacitors lifetime and ripple current Sam Ben-Yaakov 2022-05-24 | Thermal, lifetime, Hybrid polymer capacitors.
Revisiting MOSFET push pull gate driver Sam Ben-Yaakov 2022-05-14 | Gate driver, push pull, BJT, MOSFET, IGBT, shoot through
An introduction to bus capacitors oscillations and the pitfall of hybrid aluminum capacitors Sam Ben-Yaakov 2022-05-08 | Relevant video:Bus capacitors for eMobility invertersyoutu.be/ovzeCSx7yH4
Why is the overshoot a function of the phase margin in closed loop feedback systems Sam Ben-Yaakov 2022-05-04 | Switch mode converters, PWM, feedback, closed loop, phase margin, overshoot, dynamic behavior
Modeling and control of PWM converters - Tutorial - Part 3 PCM control, PID Sam Ben-Yaakov 2022-04-28 | This is a recording of Part 3 of a three part tutorial delivered at Texas A&M university to a class of graduate students of the EE department. I thank Prof Prasad Enjeti for inviting me to share this knowledge with the students of the course “ ECEN 710 Switching Power Supplies ”Outline of Part 3Peak and average current mode control What is PID?
Modeling and control of PWM converters - Tutorial - Part 2 VM control Sam Ben-Yaakov 2022-04-25 | This is a recording of Part 2 of a three part tutorial delivered at Texas A&M university to a class of graduate students of the EE department. I thank Prof Prasad Enjeti for inviting me to share this knowledge with the students of the course “ ECEN 710 Switching Power Supplies ”Outline of Part 2PWM converters transfer functionsFundamentals of system stabilityVoltage mode control
Modeling and control of PWM converters - Tutorial - Part I modeling Sam Ben-Yaakov 2022-04-22 | This is a recording of Part 1 of a three part tutorial delivered at Texas A&M university to a class of graduate students of the EE department. I thank Prof Prasad Enjeti for inviting me to share this knowledge with the students of the course “ ECEN 710 Switching Power Supplies ”Outline of Part 1IntroductionThe averaging conceptAverage modeling of PWM converters – the Switched inductor Model (SIM)Average based simulation Small signal responses
Coreless Hall effect current sensors Sam Ben-Yaakov 2022-04-04 | Relevant videosCurrent sensing in power electronics systemsyoutu.be/sqQzBxfECj4Current sensing by Hall Effectyoutu.be/yf99kcTi6cc
