Filipino Professional Electrical Engineer
IEEE 399 is commonly known as the Brown Book in the Color Book series. The Brown Book supplements the rest of the color book series. Its practical and general treatment …
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 …
In ANSI C84.1-2011, Clause 3, system voltage classes were explained Low Voltage (LV) A class of nominal system voltages 1000 volts or less. Medium Voltage (MV) A class of nominal …
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 – …
In the design of emergency stop device or function, there are always arguments on how to implement it. Lots of people argues without any basis at all. This process is …
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 …