The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...

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Insulation on a motor prevents interconnection of windings and the winding to earth.  When looking at motors, it is important to understand how the insulation...

Induction motors are frequently used in both industrial and domestic applications.  Within the induction motor, an electrical current in the rotor is induced...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...

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It starts with me reading one of the Horrible History books with my son (Groovy Greeks). Arrows were mentioned which lead to the discussion of the bodkin...

When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...

Maxwell's Equations are a set of fundamental relationships, which govern how electric and magnetic fields interact. The equations explain how these fields...

One of the comments on my Motor Starting Series was asking for something on duty cycles. Here it is. As a purchaser of a motor, you have responsibility...