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, …
Time-Current Curves Using Excel 2013
This tutorial serves a guide for the creation of time-current curves using Excel 2013. The user is expected to have at least an intermediate level of knowledge in the usage …
Comparison of IEC and ANSI Terminology
When performing designs where mixed standards are used, there will be lots of confusions along the process. These confusions will one way or another affect the result of the project …
Asynchronous (Induction) Motor Data – IEC 60909
IEC 60909 provides data for asynchronous motors commonly called as induction motors. Table 4 – IEC 60909-0 Table 3 – IEC 60909-1 Clause 4.7 – IEC 60909-0 Equation 26 – …
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 …
Non-hazardous Area – IEC 60079
IEC 60079 is concerned with the classification of areas where flammable gas or vapour or mist hazards may be present. The classification may be used as a basis to support …