Featured: Vector

Now Media acquires EngineerIT and Energize from EE Publishers

. Now Media (Pty) Ltd, a well-established print and electronic media-house based in Illovo, Johannesburg, has acquired two flagship publications, EngineerIT and Energize, from EE Publishers (Pty) Ltd. EngineerIT magazine covers measurement and instrumentation; electronics design, manufacture testing and components; telecommunications, networking and broadcasting; automation and control; and computer and software engineering. Energize magazine covers […]

Understanding the basics of power measurement theory

Electrical power applications are changing rapidly which means the load on the electric network is changing: more harmonics and more risk of unbalance. This so-called “bad” power costs money and wastes energy. This article provides some basic theory to understand what is happening with today’s electrical applications. Apparent power To understand the relation between active […]