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We've continued to make free Youtube video tutorials for the engineering community studying for the Electrical PE. We have just finished our set on the Per-Unit Method. This often-misunderstood topic is presented in a simple and direct a way in these videos - I hope they help those studying...

We got another request for a video. How do you make the delta or wye connection with the actual wires and circuit elements? This video explores the visualization of this issue when the shapes are not so obvious. It's possible for the PE test to not always clealry identify the delta or wye...

Someone on this board requested a tutorial video for symmetrical components. We hope these three videos will be a big help to those studying for the Power PE exam. As we all know, symmetrical components is one of the more "out there" concepts on the PE exam. If anyone else has any requests...

I've always been bothered by such a seemingly simple thing going without explanation. We all know to use the conjugate formula S=VI*, but why? It's a pretty mysterious and un-talked about thing for us electrical engineers. When studying for the PE, understanding this can prove to be pretty...