AC voltage levels: 0.316V The most common nominal level for consumer audio equipment is -10 dBV, 0.316 volts root mean square (VRMS). 0.7746V The reference voltage for the decibel unloaded (0 dBu) is the voltage required to produce 1 mW of power across a 600 ohms load (approximately 0.7746 VRMS) 1V The reference voltage for →
Power Quality Symptoms & Solutions e-book is is written from an electronics point of view, rather than a power engineering one. And in so doing, provides the bridge between theory and real life. According to the book introduction more and more lecturers are using this material as a reference in their courses. You can find →
I visited Denmark in summer. This is normal grounded mains outlet I saw there. It looks just like a smiling face. →
It seems that there is a trend to convert video systems over from an old, all-analog system to a modern, IP-based system with cameras powered over the Ethernet line using PoE (Power over Ethernet). Weird AC Voltages in a PoE Camera System post at Control Geek Blog talks about an interesting PoE (Power over Ethernet) →
Power Quality and Utilisation Guide is a free on-line reference source for power quality information. It provides both background theory and solutions from electrical power industry. The guide is prepared by specialist authors from industry and academia, and edited by Copper Development Association‘s David Chapman. The Guide is organized into 8 sections and presented in →