During operational checks, which measure indicates generator performance?

The measure that indicates generator performance is voltage and amperage. These two parameters are essential for assessing how effectively a generator is operating under load conditions. Voltage represents the electrical potential, while amperage indicates the flow of current. Together, they provide insight into the generator's output capability and efficiency, revealing if it meets the required performance standards for the connected load.

Monitoring voltage ensures that the generator is producing the appropriate electrical potential to power various equipment, while checking amperage helps in determining if the generator can handle the load without being overloaded. Both readings are critical during operational checks, as they directly relate to the functionality and reliability of the generator, which are vital for maintaining stable electrical power supply in various applications.