Clik here to view.
Eight criteria you should consider when choosing the right MV/LV transformer...
Although there are few common-sense rules that every electrical engineer follow when choosing the transformer type, it’s always a good idea to name the most important of them. This technical... Read...
View ArticleClik here to view.
Electrical insulation testing – Often underestimated until things go really bad
Due to mechanical damage, vibrations, (excessive) heat/cold, moisture/humidity, chemical influences and interactions and aging pinholes, cracks causes moisture and foreign matter to penetrate the...
View ArticleClik here to view.
Recommendations for the successful erection of medium voltage switchgear
Electrical engineers working on project execution know that switchgear erection brings many challenges, no matter the voltage level. The switchgear cannot always be assembled in the factory and...
View ArticleClik here to view.
The most common failure modes of electrical equipment in distribution systems
Each piece of electrical equipment on a distribution system has a probability of failing. When first installed, a piece of equipment can fail due to poor manufacturing, damage during shipping,... Read...
View ArticleClik here to view.
Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor...
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...
View ArticleClik here to view.
Eight most damaging overvoltages in industrial systems (root causes and...
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...
View ArticleClik here to view.
Key points on how to design a fault-tolerant and reliable facility...
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...
View ArticleClik here to view.
The ground is not just ground! At least not in hospitals, medical, and dental...
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...
View ArticleClik here to view.
The art of predicting the fate of a power transformer by looking into a cup...
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...
View ArticleClik here to view.
Dangerous threats that can compromise operation of modern digital substations...
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...
View Article