Fundamental electrical engineering concepts and theory
The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
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...
Years ago I was told that you should always try to write the best report you can. Many years later I still think on this as one of the better pieces of...
MIT OpenCourseWare, makes the materials used in teaching all MIT subjects available on the Web, free of charge, to any user in the world.
The inventor of the first visible light-emitting diode makes history again this year as it begins to show customers a 40-watt replacement GE Energy Smart...
For unbalance conditions the calculation of fault currents is more complex. One method of dealing with this is symmetrical components. Using symmetrical...
GE have put together a time-lapse video shown flight take-off and landings at some airports. An interesting view:
If you want to check a circuit is dead (not live), you should always use the three point method. First check a known live circuit, then check the dead...
Sometimes it’s useful to be able to quickly lookup a piece of technical information. This note is a collection of information related to motors, and in...
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