Fundamental electrical engineering concepts and theory
Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...
In three phase systems, the use of transformers with three windings (or legs) per side is common. These three windings are often connected in delta or...
Electromechanical relays have been the traditional backbone of electrical protection systems. While over recent years these have been replaced by microprocessor...
When selecting a cable, the performance of the cable under fault conditions is an important consideration. It is important that calculations be carried...
When sizing cables nearly, everyone uses some form of software. This ranges from homespun spreadsheets to complex network analyses software. Each has its...
Many questions sent in to the site are in connection with motor starting and in particular star-delta. For all but the simplest application, there is...
Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
Most installations involve some form of lightning protection system which is connected to an earth electrode. The function of the earth electrode is to...
This is the first of two posts on the resistance of conductors. In the next post I will look at the ac resistance, including skin effect and we deal with...
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