IEEE / IEC Oil-immersed Transformers – Methods of Cooling
Oil-immersed transformer cooling methods are consistent in both the IEC and IEEE. This designation is one of the few that is the same for both standards. Oil-immersed transformer cooling method …
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 …
Motor Cable Selection Chart Explained
Important: Please note that any materials presented herein is subject to the conditions of the disclaimer of this site. I am receiving a significant number of enquiries on how to …
Protection Against Electric Shock – Indirect Contact
IEC 60364-4-41 Electrical installations of buildings – Part 4-41: Protection for safety – Protection against electric shock has provided several measures of protection against indirect contact listed as follows: Automatic …
IEEE and IEC Interface
A project dealing only with either IEEE/ANSI/UL or IEC standards is not an issue. If there will be mixed standards within a single project, then compliance becomes an issue. In …