Power systems theory - generation, transmissions and distribution
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...
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 ...
Photovoltaic (PV) systems are typically more efficient when connected in parallel with a main power gird. During periods when the PV system generates energy...
Variable frequency drives are widely used to control the speed of ac motors. This note looks at the mechanisms which enable drive units to control the...
Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...
Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...
GE's latest thinking on product manufacturing is he Shingijutsu philosophy or Lean production system. They have started applying this at the Louisville...
Problems on achieving maximum voltage drop within an installation come up often. Depending where you live, local regulations will have different limits...
Three phase systems are derived from three separate windings, either connected in delta or star (wye). Each winding can be treated separately, leading...
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...
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