دانلود کتاب Snubber circuits for power electronics

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Table of contents PREFACE 7 ACKNOWLEDGEMENT 11 CHAPTER 1 13 An Overview Of Snubbers 13 What is a snubber? 21 Classifying snubbers 22 Snubber trade-offs 24 CHAPTER 2 25 Things You Need To Know About Switches 25 The ideal switch 25 A generalized switch concept 27 Real switches 27 Switch operating quadrant 30 The load-line concept 31 SOA concept 32 Derating and SOA 34 Switching scenarios 35 Resistive load switching 35 Clamped inductive switching 37 Unclamped inductive switching 45 Capacitive switching 48 Switching with real loads 51 Effect of parasitics on circuit waveforms 52 Unintentional overlapping conduction in switches 56 Lack of desired overlapping conduction 60 CHAPTER 3 61 RC -snubbers 61 Examples of RC-snubber use 61 A closer look at RC-snubber behavior 69 Finding the optimum value for Rs 72 Choosing Cs 76 A design example 80 CHAPTER 4 87 Dissipative RLC-diode snubbers 87 Basic circuit 88 A Turn-off snubber 90 Parasitic inductance and the turn-off snubber 102 The turn-on snubber 104 Turn-on snubber with a real diode 112 The combination snubber 118 A simplified combination snubber 122 Waveform discontinuities 126 Choosing the initial snubber component values 128 Snubber interactions 136 Non-linear Ls and/or Cs 147 CHAPTER 5 151 Energy recovery snubbers 151 A turn-off snubber example 152 Turn-on snubber example 1 164 Turn-on snubber example 2 184 Combination energy recovery snubbers 189 Combination snubber example 1 191 Combination snubber example 2 193 A flyback converter snubber 215 Energy recovery snubbers for bridge connections 222 CHAPTER 6 225 Component selection and circuit layout 225 Diode selection 227 Ls design 228 Cs selection 231 Rs selection 235 Effect of parasitic L on snubber behavior 239 Package and layout inductance 243 Comments on measurements 246 One final reminder 252 CHAPTER 7 253 Bare Bones Snubber Design 253 Getting started 254 Example circuit 255 Circuit waveform and power loss survey 257 Example 1, an RC-snubber 263 Example 2, another RC-snubber design 267 Example 3, more RC-snubber 269 Example 4,a turn-off RC-diode snubber 272 Example 5, a combination turn-on and turn-off snubber 279 Example 6, an energy recovery snubber 284 Component values 291 Summary 294 TECHNICAL LITERATURE BIBLIOGRAPHY 295 SNUBBER PATENT BIBLIOGRAPHY 339 INDEX 345