ELE754 Lessons

1. L1
   Sept 8 lecture

   Switches & Converters

   Why power electronics switches, the ideal switch, SCR, GTO, IGBT and MOSFET, device ratings and selection, switching loss, and the four converter families.

   Ready 13 min of narration · Exam-style device selection and loss practice

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2. L2
   Sept 15 lecture

   Buck & Boost

   Volt-second balance, CCM, critical mode and DCM, output ripple, and the boost converter.

   Ready 13 min of narration · F2025 midterm Q1 (25%) and Quiz 1

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3. L3
   Sept 22 lecture

   Chopper Analysis

   One-quadrant chopper with RL and RLE loads, I_max and I_min, DCM and t_x, and the Fourier harmonics of v_o and i_o.

   Ready 11 min of narration · F2025 midterm Q2 (15%)

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4. L4
   Sept 29 lecture

   Drives & Isolation

   Two-quadrant chopper, flyback and forward converters, dc motor drives with the full bridge, and PWM gating.

   Ready 12 min of narration · F2025 midterm Q4 (15%) and the lecture example

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5. L5
   Oct 6 lecture

   Diode Rectifiers

   Single- and three-phase diode rectifiers, harmonics, DF, DPF, PF and THD, plus a preview of the capacitive-load rectifier.

   Ready 12 min of narration · F2025 midterm Q3 (25%) and final Q3

   Open lessonNotes PDF

Save a PDF, then open it in GoodNotes. On iPad, Save opens the share sheet: pick GoodNotes. Do page 1 of a lesson's notes before you start its lecture mode.

• Lesson 1 · Switches & ConvertersGuided notes, 208 kB
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• Lesson 2 · Buck & BoostGuided notes, 180 kB
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• Lesson 3 · Chopper AnalysisGuided notes, 241 kB
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• Lesson 4 · Drives & IsolationGuided notes, 191 kB
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• Lesson 5 · Diode RectifiersGuided notes, 197 kB
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• F2026 midterm formula sheetDr. Xu's sheet, 2 pages, the one you get on Oct 20
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