Square Root of 3

Having trouble knowing how and where to apply the square root of 3 to your PE power calculations? This video series teaches you the tips and tricks to never be caught off guard by a PE-style questions requiring the use of the square root of 3.

Part 1

Part 2

Part 3

Part 4

Part 5

Symmetrical Components

A difficult conceptual topic, Symmetrical Components leaves many engineers studying for the PE feeling lost. This is a video series dedicated to a simple and direct way to consider Symmetrical Components.

Introduction

Part 2

Part 3

The Conjugate (S=VI*)

Yet another interesting, and easily misunderstood concept: The Conjugate (S=VI*). Not many explanations of this abound, this is our attempt to explain it succinctly.

Part 1

Part 2

Visualizing Connections

It may seem basic, but it is often a weak spot for PE test-takers: the delta and wye connections. It is important to not only know the math regarding the delta and wye, but also the physical type of connections they have. This video explores that topic.

The Per-Unit Method

It’s difficult to find satisfactory explanations for how the per-unit method actually works. This is our attempt to cover all that you’ll need to know for the per-unit method when it comes test time.

Introduction

Bases

Base Formulas

Per-Unit Conversion Formula