Air gap in coupled inductor, 502 in flyback transformer, 503 in inductor, 464-466, 498, 505, 509 in transformer, 469 AL (mH/1000 turns), 509 American wire gauge (AWG) data, 755-756 design examples, 527, 531 Amorphous alloys, 473 AmpereÕs law, 457-458 Amp-second balance (see Capacitor charge balance) Apparent power, 550 Artificial ramp circuit, 415 effect on CPM boost low-harmonic rectifier, 637-639 effect on line-to-output transfer function of CCM buck, 437-438 effect on small-signal CCM models, 428-438 effect on small-signal DCM models, 438-447 effect on stability of CPM controllers, 414-418 Asymptotes (see Bode plots) Audiosusceptibility Gvg(s) (see Line-to-output transfer function) Average current control. | Fundamentals of Power Electronics R. W. Erickson INDEX Air gap in coupled inductor 502 in flyback transformer 503 in inductor 464-466 498 505 509 in transformer 469 Al mH 1000 turns 509 American wire gauge AWG data 755-756 design examples 527 531 Amorphous alloys 473 Ampere s law 457-458 Amp-second balance see Capacitor charge balance Apparent power 550 Artificial ramp circuit 415 effect on CPM boost low-harmonic rectifier 637-639 effect on line-to-output transfer function of CCM buck 437-438 effect on small-signal CCM models 428-438 effect on small-signal DCM models 438-447 effect on stability of CPM controllers 414-418 Asymptotes see Bode plots Audiosusceptibility G s see Line-to-output transfer function Average current control feedforward 635-636 in low-harmonic rectifier systems 593-598 634-636 649 650-652 modeling of 649-652 Averaged switch modeling 239-245 390-403 of current-programmed CCM converters 423-428 of current-programmed DCM converters 438-447 in discontinuous conduction mode 370-390 equivalent circuit modeling of switching loss 241-245 examples nonideal buck converter 241-245 DCM buck converter 393-400 CCM SEPIC 757-762 generalization of 390-403 of ideal CCM switch networks 242 377 757-762 of ideal DCM switch networks 377 of quasi-resonant converters 732-737 Average power and Fourier series 542-543 modeled by power source element 375-379 423-428 438-447 in nonsinusoidal systems 542-555 predicted by averaged models 57 power factor 546-550 sinusoidal phasor diagram 550-551 Averaging approximation discussion of 195-196 200-202 averaged switch modeling 239-245 basic approach 198-209 1 Fundamentals of Power Electronics R. W. Erickson capacitor charge balance 24 circuit 231-245 to find dc component 6 16 flyback ac model 209-218 inductor volt-second balance 22-23 introduction to 193-198 modeling efficiency and loss via 57 to model rectifier output 645-647 to model 30 converters 611-614 of quasi-resonant converters ac modeling 732-737 dc analysis 712-728 .
