A current transformer (CT) is a simple, practical and inexpensive means of detecting the presence of AC current. Detecting load current rather than applied voltage is a superior method of determining ...

[Renaud] built a AC power meter from scratch. While commercial power meters like the Kill A Watt are available [Renaud’s] build gives an interesting insight into the methods used. At the heart of ...

AutomationDirect’s AcuAmp line of power products now includes the CTF series 5A secondary current transformers; designed for applications such as ammeters, watt-meters, panel meters, instrumentation, ...

AutomationDirect’s AcuAmp® line of power products now includes the CTF series 5A secondary current transformers. AutomationDirect’s AcuAmp® line of power products now includes the CTF series 5A ...

The smart grid is the next evolution of the electricity grid with the convergence of electric power, telecommunications infrastructure and information technology. The ultimate goal is to allow ...