IEC 60898-1 applies to a.c. air-break circuit-breakers for operation at 50 Hz or 60 Hz, having a rated voltage not exceeding 440 V (between phases), a rated current not exceeding …
UN Climate Change Treaty The United Nations Framework Convention on Climate Change (UNFCCC) established an international environmental treaty to counter act the effect of climate system partly by stabilizing greenhouse …
What is IEC 60865? IEC 60865 pertains to standards set by the International Electrotechnical Commission (IEC) that address the effects of short-circuit currents in three-phase a.c. systems. The purpose of …
Definition of Terms Skill assessment is the comparison of the actual performance of a skill with an specified performance standard for that skill as specified by the standard. Skill evaluation …
Electric power has a great influence on industry and contributes to the welfare, progress, and technological advances of humanity. The growth of the world’s electric energy consumption truly remarkable. In …
This is Part 5 of the series of articles about three (3) phase Ac motor protection. Links to others parts could be found in below links: Part 1 Part 2 …