Asma Aziz is a member of the Institute of Electrical and Electronics Engineers. If you’re building, renovating or planning to install a solar battery, your builder or installer might ask whether ...

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

Regarding electric cars, is three-phase power needed for charging? Three-phase is more expensive to install at the home, so can a private property have that? Knowing how much power your electric car ...

In a 3 phase system there is a centre point. (like the optional neutral in the Wikipedia image). In domestic power this neutral point is normally grounded to earth, giving 3 phases with equal voltage ...