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Abstract

Historically, ships have relied on large diesel and gas-turbine generators to supply electrical power. The loads deployed have been largely continuous and predictable allowing the generators to be run efficiently while maintaining acceptable power quality. Future electrical loads may operate with much less predictability and simply scaling up the size or even the number of large generators may not be the most effective way to meet this demand. Instead, it could be much more feasible to install more smaller generators that can be actively controlled according to priorities set by the power system operator. If controlled properly, it is possible to optimize efficiency, reduce maintenance costs, and increase usable life. Integration of energy storage may provide ride through support required to bring up additional generation in the event of an outage. In the work documented here, intelligent control is being used to study this approach for optimizing multiple small generators.

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