Archive for October 2014

STC-013-20 Current transformer

A current transformer (CT) is used for measurement of alternating electric currents. The most common design of CT consists of a length of wire wrapped many times around a silicon steel ring passed ‘around’ the circuit being measured. Current transformers are used extensively for measuring current and monitoring the operation of the power grid. The

Fluorescent lamp fire danger

A fluorescent lamp or a fluorescent tube is a low pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. A fluorescent lamps are widely used because they convert electrical energy into useful light much more efficiently than incandescent lamps (The luminous efficacy can exceed 100 lumens per watt). They are widely used in

Audio off ground

EDN magazine has a very good article series on audio electronics related to ground loop issues (issue I have written myself in this blog and my ground loop documents). The article series is based on material that has originally appeared in Linear Audio, a book-format audio magazine published half-yearly by Jan Didden. The G word: