Voltage Classes – ANSI vs IEC
As Electrical Engineers, we deal with voltages almost every day in our lives. Sometimes, voltages levels or voltage classes are a bit confusing not only for us but for other …
IEEE 519-2022 Changes from IEEE 519-2014
Introduction IEEE 519 Standard for Harmonic Control in Electric Power Systems is a highly recognized and referenced standard and has been updated in 2022. The purpose of the IEEE 519 …
Sizing Generator for Motor Starting
1. Generator Motor Starting Capability It is the task of Electrical Engineers to ensure that a selected generator is capable of supplying the motor starting requirements of a power system. …
How to Protect Your House and Its Contents from Lightning
This IEEE Guide for Surge Protection of Equipment Connected to AC Power and Communication Circuits. Authors: Richard L. Cohen Doug Dorr James Funke Chuck Jensen S. Frank Waterer Surge protection …
Ventilation Requirements for Stationary Battery Rooms
Almost always, stationary battery rooms ventilation is an argument among engineers. However, seldom do their reasoning are based on scientific evidence to prove their position. IEC std 62485 provides a …
Selection of Electrical Equipment – Common Rules
Introduction There are common rules in the selection of electrical equipment. The common rules provide for compliance for safety, requirements for proper functionality, and requirements appropriate to the environmental conditions. …