Which of the following does "synchronization" not match according to industry standards?

The concept of "synchronization" in electrical systems predominantly involves the alignment of multiple power sources or generators to work harmoniously together. This process typically focuses on ensuring that the voltage, frequency, and phase shift of each source match before connecting them in parallel.

When discussing synchronization, voltage is critical because the levels must be closely matched to prevent large currents from flowing between the generators. Frequency is equally important because generators must operate at the same speed to maintain compatibility; otherwise, they would interfere with each other's output. Phase shift is also a key factor since it determines the timing relationship between the voltage waveforms of the generators. If these phases are not aligned, it can lead to issues like overloading or mechanical stress on the equipment.

Amperage, however, is generally not a direct factor in the synchronization process itself. While the current output (amperage) will be affected once the systems are synchronized and placed in parallel, it is not a parameter that is adjusted during synchronization. Instead, synchronization focuses on the voltage level, frequency, and phase angle of the systems to ensure they can operate together safely and effectively. Therefore, amperage does not match the standard criteria for synchronization in electrical systems.