What is meant by 'Power Quality' in the context of switchgear?

Power quality refers to the performance characteristics of the electrical power supplied to connected equipment and its ability to function properly without disruption. This concept encompasses various factors, including voltage stability, frequency stability, harmonics, and transients that can affect the effectiveness and reliability of electrical devices. High power quality ensures that all equipment operates efficiently, reducing downtime and maintenance costs, while low power quality can lead to equipment malfunction, damage, or inefficient operation.

In the context of switchgear, which plays a critical role in controlling and protecting electrical systems, maintaining high power quality is essential. It helps ensure that the switchgear can handle fluctuations and disturbances in the electrical supply without affecting the performance of connected loads. Thus, understanding and managing power quality is crucial for the reliable operation of electrical systems.