Untitled - ev-bg.com

Chapter 7: The Controller 167Fi g u r e 7-4 AC controller design objectives and block diagram.Unfortunately, since most of our names are not Tesla or Steinmetz, all this additionalcomplexity means a lot more sleepless nights in the garage for even the most enthusiasticbuild-it-yourselfers, and is the real reason why three-phase AC induction motors—despite their enormous advantages—will probably not reach the do-it-yourself EVconverter. Meanwhile, let’s look at the best solution for your EV conversion project oftoday.Today’s Best Controller SolutionIf you’ve previously read Chapter 6 on motors, you already know this book recommendsa series DC motor as the best motor solution for today’s EV converters. This greatlysimplifies our choice of motor controllers—we only have to choose from those in theDC motor universe. But there are still numerous DC controller vendors and models to