Real-time energy management strategy for shore power hybrid
Growing energy demands at ports and mounting environmental pressures have driven interest in hybrid shore power systems that integrate photovoltaic (PV) systems, energy
Additionally, ports have seen an increase in the number of vessels that are equipped with shore power. There are currently ten ports using high voltage systems serving cruise, container and refrigerated (“reefer”) vessels, and many more ports that use low voltage systems, serving tugs, fishing, and offshore support vessels.
Shore power supply, also known as shore power or cold ironing, is becoming increasingly important. More and more harbours are confronted with increasing environmental awareness among the population. Stricter guidelines are forcing harbours to use more environmentally friendly technologies.
Commercial ships can use shore-supplied power for services such as cargo handling, pumping, ventilation and lighting while in port, they need not run their own diesel engines, reducing air pollution emissions. Examples are ferries and cruise ships for "hotel" electric power, and a salmon feeder ship uses shore power while at the salmon farm.
On the ship an incoming panel is placed in a confined room, where the operator connects the ship to shore power. The power is often via a transformer (if ship grid is low voltage) connected to the main switchboard. The Wärtsilä shore power control system and built in safety features ensures safe and seamless operation.
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