Following on from my post on railway electrification voltages, I thought an introduction to traction substations would be a good idea. Traction substations...
When sizing cables, the heat generated by losses within any sheath or armour need to be evaluated. When significant, it becomes a factor to be considered...
Gauss's Electrical law defines the relation between charge ("Positive" & "Negative") and electric field. The law was initially formulated by Carl Friedrich...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
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...
Using laser optical pulses the random number generator utilizes the time between arrival of random photos to generate the numbers, ensuring true accuracy...
Coils of wire on the rotor carry a d.c. current which generates a magnetic field. A stator magnetic field is created using either permanent magnets or...
Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
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...
Collection of links to various places with useful motor information. I’ll try and return to the page every now and again to update it with any motor notes...
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