This article addresses the Variable Frequency Drive (VFD) concept in several aspects that matter the most in selecting the proper VFD for applications. One of the important factors is the... Read more
The post Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications appeared first on EEP - Electrical Engineering Portal.
Electric insulation in energized systems is continuously under stress. Electric systems are subject to disturbances of many types which unavoidably produce overvoltages. However, the application engineer has at his command... Read more
The post Eight most damaging overvoltages in industrial systems (root causes and prevention) appeared first on EEP - Electrical Engineering Portal.
Nowadays, power system reliability is more important than ever. Regardless of how reliable the individual power-system components may be, some sort of power-system redundancy is necessary to attain high levels... Read more
The post Key points on how to design a fault-tolerant and reliable facility distribution system appeared first on EEP - Electrical Engineering Portal.
This technical article analyzes the safety requirements against indirect contact employed in particularly special medical locations (e.g., hospitals, medical, and dental practices, etc.), where environmental conditions may increase the risk... Read more
The post The ground is not just ground! At least not in hospitals, medical, and dental practices appeared first on EEP - Electrical Engineering Portal.
Insulation medium is an indispensable part of a power transformer, and the interesting thing about it is that it can drop dead at any time. Most of the time, this... Read more
The post The art of predicting the fate of a power transformer by looking into a cup of oil appeared first on EEP - Electrical Engineering Portal.
Digital substations are pretty fragile in terms of various kinds of threats. Yes, they are advanced and have a vast number of highly effective protection and control features, but this... Read more
The post Dangerous threats that can compromise operation of modern digital substations and IEDs appeared first on EEP - Electrical Engineering Portal.
