Tapping your forearm or hand with a finger could soon be the way you interact with gadgets. A new technology created by Microsoft and Carnegie Mellon ...

A quick post in connection with an email question: Live Tank - the circuit breaker the switching unit is located in an insulator bushing which is live...

Just added a page to the tools, which will allow you to calculate the synchronous speed, slip and rated torque for an induction motor. Not a particularly...

The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...

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...

Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...

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

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