Modelica is an open source (free) software language for modelling complex systems. Having never used it before, I thought I would download a development...

A battery consists of one or more cells, each of which use stored chemical energy to produce electrical energy, There are many types of cells and these...

Ever wondered what kind of power an aircraft uses when parked at the airport stand. Normally the aircraft generates it own power, but when parked with...

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

A recurring theme on our forums is cable sizing. Now many installations are unique and require special consideration. However, a lot of the time things...

A quick post in connection with an email question: Live Tank - the circuit breaker the switching unit is located in an insulator bushing which is live...

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...

The 27 km, Euro 6 billion  Collider lies on the border between France and Switzerland, took nearly 30 years to complete.  Some of the lofty goals for the...

This post is quick introduction and overview to different railway electrification voltages used in answer to a question sent in via email. While there...

Depending where in the world you work, you are likely following one of two standards International Electrotechnical Commission (IEC) National...