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On marine vessels the Power Management System PMS is in charge of controlling the electrical system. Its task is to make sure that the electrical system is safe and efficient. If the power consumption is larger than the power production capacity, load shedding is used to avoid blackout.
A high-voltage disconnect switch used in an electrical substation. Such switches are used mostly to isolate circuits, and usually cannot break load current. High-voltage switches are available for the highest transmission voltages, up to 1 million volts. This switch is gang-operated so that all three phases are interrupted at the same time.
It can be used for any electrical ship application up to 20 megawatts and operates at a nominal voltage of 1000 V DC. The DC distribution system is simply an extension of the multiple DC links that already exist in all propulsion and thruster drives, which usually account for more than 80 percent of the electrical power consumption on electric ...
The top manufacturer is Garmin's Marine division with a turnover of US$917 Million in 2023 [8] followed by Brunswick-owned Navico Group (Simrad, Lowrance, B&G and several other brands), with a turnover of US$915 Million (although this includes sales of equipment which is not marine electronics, such as batteries, cables and pumps).
High-voltage switchgear A section of a large switchgear panel. Tram switchgear This circuit breaker uses both SF 6 and air as insulation.. In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.
This is especially true on diesel-electric ships or vessels equipped with sophisticated systems such as dynamic positioning. The International Maritime Organisation (IMO) amended STCW 95 (also known as the Manila Amendment) on June 25, 2010, to introduce the certified position of Electro-technical officer in place of Electrical officers. [ 7 ]
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