What is the purpose of the automatic transfer switch (ATS) in a data center generator system?
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A
To automatically detect utility power failure and transfer the load from the utility to the generator when it reaches stable voltage and frequency
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B
To prevent backfeed from the generator to the utility grid during a power outage
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C
To synchronize multiple generators in parallel before connecting them to the load bus
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D
To gradually reduce generator load before shutting it down after utility power is restored