Shallow talk about MV system for 7000T Floating Crane Vessel

摘要

7000T Floating Crane Vessel is one of the largest floating crane vessels in domestic, which use 3P Medium voltage (MV) 6300V 50Hz power system, the main homework equipments contain one set of the 6000 kW crane, eight sets of the positioning winch of the 250 kW, two sets of the 2500 KW bow and stern thrusters, two sets of 2000 kVA main transformers(one use and the other spare). Schneider Mcset is the first use in home ship, generator semiautomatic synchronization impulse automatic synchronization device and integrated PMS will be provided. The Vessel first use SF6 Breaker on the ship and use Sepam protection device,and use CSH2000 zero sequence current transformer. The power system is three phases three wires insulated-neutral system.