Origin of Power Converters. Tsai-Fu Wu

Figure 1.22 Possible positions of the inductor in a second‐order PWM convert...Figure 1.23 Evolution of the buck‐boost converter from the buck and boost co...Figure 1.24 Four types of grafted switches: (a) T‐type, (b) inverse T‐type, ...Figure 1.25 Illustration of the buck‐boost converter derived with the graft ...Figure 1.26 Derivation of the buck‐boost converter with the converter layer ...

      2 Chapter 2Figure 2.1 Derivation of the original converter, buck converter, with a sour...Figure 2.2 Analogy of the buck converter derivation to proton–neutron–meson ...Figure 2.3 Three types of configurations of power transfer between capacitor...Figure 2.4 Practical examples applying the configuration shown in Figure 2.3...Figure 2.5 (a) The buck converter, (b) inductor voltage V_L1 and current i_L1,...Figure 2.6 Decoding, synthesizing, and evolution of buck‐boost and boost con...Figure 2.7 (a) Inverse buck, (b) inverse boost, and (c) inverse buck‐boost w...Figure 2.8 Dual RLC networks (a) in series and driven by a voltage source an...Figure 2.9 Topologically dual converters: (a) buck and (b) boost.Figure 2.10 Component realization of (a) buck and (b) boost converters.

      3 Chapter 3Figure 3.1 (a) Circuit configuration of power transfer between capacitor and...Figure 3.2 A voltage source in series with a capacitor is equivalent to a si...Figure 3.3 Illustration of capacitor C₁ with different DC offset voltages in...Figure 3.4 Buck converter applying DC voltage offsetting to yield different ...Figure 3.5 Buck and its equivalent configurations with C_f –L_f fi...Figure 3.6 Equivalent converters derived from Ćuk converter.Figure 3.7 A current source in parallel with an inductor is equivalent to a ...Figure 3.8 Illustration of inductor L₁ with different DC offset currents in ...Figure 3.9 Boost converter with different DC voltage offset configurations....Figure 3.10 The input of the boost converter represented in current form.Figure 3.11 A capacitor is split into (a) two and (b) three capacitors with ...Figure 3.12 Illustration of invalid capacitor splitting. (a) a capacitor is ...Figure 3.13 An inductor is split into two inductors (a) and (b) with identic...Figure 3.14 Two typical configurations for generating pulsating voltages. (a...Figure 3.15 (a) Smooth voltage obtained from the pulsating voltage across di...Figure 3.16 (a) Smooth output voltage V_o obtained with a filter capacitor, (...Figure 3.17 (a) Buck converter with a secondary winding coupled from the ind...Figure 3.18 The secondary (a) with two forward‐type rectifications, (b) with...Figure 3.19 Boost converter with (a) a secondary winding coupled from the in...Figure 3.20 DC transformers with (a) push‐pull type, (b) full‐bridge type, a...Figure 3.21 (a) Full‐bridge diode rectifier, terminal outputs with (b) type‐...Figure 3.22 (a) Buck converter partitioned in five positions, (b) a DC trans...Figure 3.23 (a) Buck and boost converters in cascade, (b) relocating switch Figure 3.24 (a) Switches with a common node s–s, (b) T‐type grafted switch (...Figure 3.25 (a) Boost and buck converters in cascade connection, (b) relocat...Figure 3.26 Degeneration of TGS and ΠGS bidirectional current switches under...Figure 3.27 Degeneration of ITGS and IΠGS bidirectional current switches und...Figure 3.28 (a) Two diodes with common node N, (b) N‐type grafted diode (NGD...Figure 3.29 (a) Two diodes with common node P, (b) P‐type grafted diode (PGD...Figure 3.30 (a) Boost and buck converters in cascade connection with S₂ in t...Figure 3.31 (a) Buck converter, (b) input‐to‐output voltage transfer ratio i...Figure 3.32 (a) Boost converter with split output capacitor C_o, (b) input‐to...

      4 Chapter 4Figure 4.1 Conceptual block diagram of power transfer from input (V_i, I_i) to...Figure 4.2 Gain‐D plots of step‐down transfer codes D and D².Figure 4.3 Gain‐D plots of step‐up transfer codes 1/(1 − D) and 1/(1 −...Figure 4.4 Gain‐D plots of step‐up/down transfer ratios D/(1 − D) and Figure 4.5 Gain‐D plots of ±step‐up/step‐down transfer codes (1 − D)/(...Figure 4.6 Transfer codes in a cascade configuration.Figure 4.7 Feedback configuration with a forward code TC_f and a feedback cod...Figure 4.8 Two examples to illustrate the feedback configuration: (a) forwar...Figure 4.9 Feedforward configuration: (a) a unity‐gain feedforward with a fo...Figure 4.10 Two examples to illustrate the feedforward configuration: (a) a ...Figure 4.11 Three combinational code configurations: (a) forward, feedback a...Figure 4.12 Parallel configuration of n transfer codes.Figure 4.13 Two possible configurations of D/(1 − 2D): (a) feedback configur...Figure 4.14 The two configurations shown in Figure 4.13 combined with a unit...Figure 4.15 (a) feedback configuration of transfer code: (−D)/(1 + 2D), and ...Figure 4.16 Conceptual power transfer through resonant converters, which can...Figure 4.17 Code configurations of transfer codes with multivariables: (a) c...Figure 4.18 Parallel configuration.Figure 4.19 Decoding with component‐interconnected expression: (a) buck and ...

      5 Chapter 5Figure 5.1 (a) Buck converter, (b) boost converter, (c) buck–boost converter...Figure 5.2 (a) P‐cell and (b) N‐cell.Figure 5.3 (a) Buck converter synthesized with a P‐cell and (b) boost conver...Figure 5.4 (a) Sepic converter and (b) Zeta converter.Figure 5.5 (a) Sepic converter synthesized with an N‐cell and an LC filter a...Figure 5.6 (a) Tee canonical cell and (b) Pi canonical cell.Figure 5.7 (a) Buck and inverse buck and (b) boost and inverse boost.Figure 5.8 With the same input‐to‐output transfer ratio of (2D − 1)/(1 − D) ...Figure 5.9 (a) Switched‐capacitor and (b) switched‐inductor cells.Figure 5.10 Structure of PWM converters in the derivation procedure.Figure 5.11 Possible positions of the inductor in a second‐order PWM convert...Figure 5.12 Evolution of buck–boost converter with synchronous switches.Figure 5.13 Evolution of boost–buck (Ćuk) converter with synchronous switche...Figure 5.14 (a) Block diagram of two converters connected in series and (b) ...Figure 5.15 (a) Switches with common S–S, (b) TGS, (c) switches with common Figure 5.16 (a) Switches with common D–S, (b) ΠGS, (c) switches with common Figure 5.17 A MOSFET with its body diode to function as a bidirectional swit...Figure 5.18 Bidirectional grafted switches: (a) TGS, (b) ITGS, (c) ΠGS, and ...Figure 5.19 (a) Two diodes sharing a common node N, (b) grafted diode, and d...Figure 5.20 (a) Two diodes sharing a common node P, (b) grafted diode, and d...Figure 5.21 Processes of grafting a boost converter on a buck converter to y...Figure 5.22 Processes of grafting a buck converter on a boost converter to y...Figure 5.23 Processes of grafting a buck converter on a buck–boost converter...Figure 5.24 Processes of grafting a boost converter on a boost–buck converte...Figure 5.25 Processes of grafting a Zeta converter on a complementary buck c...Figure 5.26 Processes of synthesizing a buck converter and a buck–boost conv...Figure 5.27 Processes of grafting a buck converter on the other buck convert...Figure 5.28 Processes of grafting one boost converter on the other boost con...Figure 5.29 Processes of grafting a boost converter in CCM on a buck convert...Figure 5.30 Integration processes of cascode complementary Zeta converter wi...Figure 5.31 Process of grafting half‐bridge inverter on dither boost convert...Figure 5.32 Processes of grafting a half‐bridge resonant inverter on a bidir...Figure