IEEE and IEC Interface
A project dealing only with either IEEE or IEC standards is not an issue. If there will be mix standards within a single project, then compliance becomes an issue. In …
Tips on Effective Design
As an Electrical Engineer working on a global scope, knowledge on International Electrical Standards such as the IEC and the IEEE is an advantage. This is just the start though, …
Insulation Coordination – Why is it required?
What is insulation coordination and what is its importance? There are many definitions of insulation coordination provided by different authorities. In this instance we wanted to use IEC 60071-1 definition …
IEC 60909 vs ANSI/IEEE 141 Short-Circuit Current Calculations
Short-circuit calculation is one of the most important work to be undertaken in plant power distribution. A comprehensive, detailed and accurate short-circuit currents will be used in switchgear selection, protection …
Protection of the Neutral Conductor
Overload detection shall be provided for the neutral conductor in a multi-phase circuit Where the cross-sectional area of the neutral conductor is less than that of the line conductors. The …
Normative and Informative Annexes Compliance
The terms ‘normative’ and ‘informative’ are commonly used in IEC and other derivative standards to define applications of annexes. A normative annex is an integral part of a Standard which …