Line differential protection is one of the most popular forms of transmission line protection. This type of protection is based on Kirchoff’s current law, which states that the current flowing into a line must be equal to the current flowing out of...

Following the success and popularity of our previous geek challenges, we’re offering another one. This time it’s a mystery picture – or actually a group of three pictures of the same device.

Low voltage (LV) power cable circuits (<600 V) are the backbone of electrical distribution systems in almost all parts of the world, with the notable exception of North America, where this function is typically provided by medium voltage (MV) power cable...