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...

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...

Various arguments exist around SF6 Gas Insulated (GIS) and Air Insulated (AIS) medium voltage switchgear. Recently we had to change a GIS design to AI...

Alternating current (a.c.) is the backbone of modern electrical power distribution. In this article I’ll be pulling some of the more important concepts...

This is the second post in a series of two on periodic electrical inspections. In the first post, I discussed how often inspections should be carried out...

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

I have been thinking recently that there appears to be less professional integrity around than when I first started my career in electrical engineering...

A lot of our members work in countries where PPE (personal protective equipment) is regulated or they work for companies/organizations which take employee...

Two driverless and solar power vans have departed from Italy on their way to China via the silk road. During the 13,000 kM trip the vans will drive themselves...