Often document control is dictated by project requirements, for example a particular organisation may have an existing numbering system. Existing company...
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 are working on a large plan, get the real coordinates [latitude, longitude] for two or more points and add them to the drawing. That way you can...
For unbalance conditions the calculation of fault currents is more complex. One method of dealing with this is symmetrical components. Using symmetrical...
IEC 60947 is the circuit breaker standard and covers the marking of breakers in detail. Any manufacturer following this standard should comply with the...
This article gives an introduction to IEEE 485 method for the selection and calculation of battery capacity.
Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...
Installation of a UPS can help in reducing problems due to issues with the power supply. A lot of people relate this to nine key issues. Depending on...
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...
The other day I came across an article in Technology Review on the development of a smart transformer. A professor at North Carolina State University is...
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