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. …
IEEE C57.12.00 – Preferred Continuous kVA Ratings of Transformers
The rated kVA of a transformer shall be the output that can be delivered for the time specified at rated secondary voltage and rated frequency without exceeding the specified temperature-rise …
Complex MVA Method Short Circuit Calculation
I. Introduction This post will present the methodology of MVA Method in performing short circuit calculation. The result will be compared to the Impedance Method of Short-Circuit Calculation and the …