14. starptautiskā konference 2012 - Latvijas Jūras akadēmija

Proceedings of 14th International conference „Maritime Transport and Infrastructure - 2012”1. Ship shore power connection characteristicsOn shore Power Supply ( OPS) fulfill the functions of the ship's diesel generators, while sheis at the berth, that is to provide electricity to all the necessary facilities, cargo handling equipment,lighting, heat, etc.Reasons for the use of OPS:- Reduce vessel's fuel consumption;- To provide possibility to carry out engine maintenance , overhauling and inspections duringthe vessel at the port- Reduce air pollution , CO2 emissions and noise level.Building the ship shore power supply, it is essential to evaluate the technical characteristics ofthe system. The most important of these are the ship and shore power frequency, voltage and power.Port of StockholmShore power for large vessels was equipped in 1985. Connection place 440 V is atStadsgarden terminal for ships operating to the Åland Islands ms VIKING CINDERELLA and msBIRGER JARL. With 9 cables, which are alongside the berth, the supply power of 2.5 MW isprovided. Accession process takes about 5 minutes.Stockholm Freeport in 2006 established shire-side connection 690 V / 50 Hz for Tallinkferries ms' Victoria 1 " and " Romantika "with 12 cables and connectors, as shown in Fig.1.Connection / disconnection and takes no more than 5 minutes [5].Fig.1. Connecion cables at docs ready to connect ms „ Viking Cindarella” [8].Port of Piteo (Sweden)MS Balticborg and MS Bothniaborg use 6 kV high-voltage grid with power cable and aseparate command / control cable.Port of Kemi and port of Oulu (Finland)Since 2006 Stora Enso terminal of port of Kemi and port of Oulu use Ro-Ro ships with 6.6 kVconnection, similar to the design of the port Gothenburg.Port GothenburgShore-side connection has been operating since 1989. Stena Line Ro-Ro passenger ferriesStena Scandinavica and Stena Germanic serving Kiel-Gothenburg line use 400V connection. Theconnection at the port of Gothenburg operates since January, 2000. It was originally established as ahigh voltage connection system for Ro-Ro ships in cooperation with Stora Enso and ABB.Transformer 10 kV / 6.6 kV 1250 kVA is located on the quay (Fig. 2). Equipment, automatic controland connection sockets are located in 9-foot container. Connection is realized through a single cable[8].91