INFINITY BUS -BAR
We seldom have to couple only two alternators in parallel except, perhaps in isolated areas. It is much more common to connect an alternator to large power system that already has dozens of alternators connected to it. Such system is called infinity bus-bar.
An infinite bus-bar is a
system is so powerful that it imposes its own voltage and frequency upon any
apparatus connected to the terminals. Once connected to a large system (infinite bus-bar),
an alternator becomes part of a network comprising hundreds of other
alternators that deliver power to thousands of loads. It impossible, therefore,
to specify the nature of the load (large or small, resistive or capacitive)
connected to the terminals of this particular alternator.
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