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The prime mover governor, acting in Isochronous speed control mode, will keep the frequency constant--as long as the load doesn't exceed the rating of the prime mover.
The generator exciter (commonly called the "AVR", Automatic Voltage Regulator) will control the voltage.
Some single generator systems are controlled by what are commonly called PMSs--Power Management Systems. They are external (usually) controllers which monitor load, frequency and reactive power and send signals to the prime mover governor and generator exciter to maintain frequency and voltage setpoints. In these cases the prime mover governors are operated in Droop speed control mode.
The thing to know about single generator systems is that they do require operator attention and occasional intervention. Especially if the "system" grows (more load(s) is(are) added to the system. The nature of the loads (reactive power requirements) and the magnitude of the loads must be considered as they are added to the system.
Hope this helps!
The generator exciter (commonly called the "AVR", Automatic Voltage Regulator) will control the voltage.
Some single generator systems are controlled by what are commonly called PMSs--Power Management Systems. They are external (usually) controllers which monitor load, frequency and reactive power and send signals to the prime mover governor and generator exciter to maintain frequency and voltage setpoints. In these cases the prime mover governors are operated in Droop speed control mode.
The thing to know about single generator systems is that they do require operator attention and occasional intervention. Especially if the "system" grows (more load(s) is(are) added to the system. The nature of the loads (reactive power requirements) and the magnitude of the loads must be considered as they are added to the system.
Hope this helps!
