The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...

This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.

Electrical engineering has a multitude of laws and theorems. It is fair to say the Ohm's Law is one of the more widely known; it not the most known. Developed...

Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field.  The law was initially formulated by Carl Friedrich...

When selecting a generator, there are inherent limits on the active and reactive power which can be delivered. Generators are normally sized for a certain...

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

"I can live with doubt and uncertainty and not knowing. I think it is much more interesting to live not knowing than to have answers that might be wrong...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...

One of the requirements to ensuring that everything works is to have equipment selected, manufactured and verified [tested] to IEC standards. Not all equipment...

Capacitors are widely used in electrical engineering for functions such as energy storage, power factor correction, voltage compensation and many others...