Soft-starter or Variable Frequency Drive – Applications and Differences
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, …
Selection of Power Circuit Breaker Rating – Part 2
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 …
Selection of Power Circuit Breaker Rating – Part 1
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 …
What is a trip free circuit breaker?
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 …