ABB Protection Application Handbook
The ABB Protection Application Handbook in the series of handbooks within the LEC support programme of BA THS BU Transmission Systems and Substations. This handbook covers most aspects of protection …
Selection of Power Circuit Breaker Rating – Part 3
Note: This is will be part 3 and last part of the selection of power circuit breaker rating series. Links to Part 1 and Part 2. Rated Insulation Level / …
IEEE/IEC 62271-37-013-2021 – International Standard for High-voltage switchgear and controlgear Part 37-013: Alternating current generator circuit-breakers
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 …
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 …