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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...
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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...
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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...
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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...
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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...
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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...
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