Automatic voltage regulators are required to maintain voltage variation within what percentage of rated voltage?

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Automatic voltage regulators (AVRs) are essential components in electrical systems, particularly in marine applications, where maintaining a stable voltage is crucial for the performance and safety of equipment. The requirement for AVRs to maintain voltage variation within 10% of the rated voltage is rooted in the need to ensure that electrical equipment operates effectively and efficiently.

When voltage fluctuation stays within the 10% range, it helps protect sensitive electronics from potential damage caused by under-voltage or over-voltage situations. This level of regulation supports optimal performance of motors, lights, and other devices that rely on stable power. Keeping voltage variations minimal helps to minimize heating, improve efficiency, and extend the lifespan of electrical components.

In contrast, wider tolerances like 15% or 20% could lead to operational issues, increased wear and tear on equipment, and a higher risk of failure due to unsuitable voltage levels affecting performance. Therefore, the 10% standard for voltage variation underscores the importance of precision and reliability in power systems, especially in environments such as marine applications where reliability is paramount.

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