The latest IEC/IEEE 62271-37-013 Standard, also called Dual Logo Standard, aims to define and regulate the circuit breakers used to protect these assets. This part of IEC 62271 is applicable …
A Soft Starter and a Variable Speed Drive (VSD), sometimes also referred to as a Variable Frequency Drive (VFD), are both devices that can control the starting of a motor, …
Note: This is will be part 2 of the selection of power circuit breaker rating series. Part 1 could be found here. Voltage Rating Selecting the correct voltage rating of …
Note: This is will be part 1 of the selection of power circuit breaker rating series. The standard power circuit breakers as used in high voltage switchgears will be used …
Definition A trip-free circuit breaker is a type of circuit breaker that cannot be forcibly held closed (or in the “on” position) during an overcurrent or fault condition. In simpler …
There is a saying that “experience is the worst teacher, test comes first before the lesson”. This is true in every aspect. In electrical engineering design, earthing or grounding is …