Introduction This guide discusses the basic concepts involved in studies of harmonic analysis of industrial and commercial power systems. The need for such an analysis, recognition of potential problems, corrective …
As far as I know, IEC has not mentioned medium voltage in any of its standards except in IEC 61000-3-6. The following table provides the different voltage levels as per …
Design engineers most of the time will refer to induction motor manufacturer’s data as an input to their design. This practice is totally acceptable. In the absence of a manufacturer’s …
Utilization category (for a switching device or a fuse) is defined in IEC 60947-1 as the combination of specified requirements related to the conditions in which the switching device or …
IEC 60529 – Degrees of protection provided by enclosures (IP Code) describes a system for classifying the degrees of protection provided by the enclosures of electrical equipment. The protection provided …
I have been involved in many projects wherein specifications and datasheets are required to comply with the local standards. Most of the time, this will create issues during the procurement …