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Abstract
In recent years, my country’s high-tech technology has shown an unstoppable development trend, which has promoted the application of electrical equipment in the domestic shipbuilding industry. Energy conservation and environmental protection have gradually become the theme of the times. Ships need to pay attention to the application of energy-saving technology when applying electrical equipment to ensure that ships can play a practical role in green and environmental protection. This article focuses on the problem that the power consumption of marine auxiliary machinery greatly affects the endurance, and elaborates the energy-saving technology of marine auxiliary electrical equipment in detail, and analyses the energy-saving effect it can bring, and finally the application prospects of the marine auxiliary energy-saving technology the outlook was carried out.
Highlights
Compared with the land power grid, the ship power grid is an independent small-capacity system, and the ship auxiliary machinery is one of the main power loads of the ship power grid
As ship electrical equipment is an important component of ship power grid, and the energy consumption of ship electrical equipment is relatively high, it causes huge consumption of ship energy and brings greater pressure to the timely supply of ship energy
Experiments show that when the scale on the water side of the condenser tube bundle is 1.5 mm, the condensing temperature will increase by 2.8°C, and the power consumption of the motor will increase by 9.7%; when the partial pressure of the non-condensable gas in the refrigeration system reaches 0 At 196M Pa, the compressor power consumption will increase by 18%
Summary
Compared with the land power grid, the ship power grid is an independent small-capacity system, and the ship auxiliary machinery is one of the main power loads of the ship power grid. Due to the limited energy carried by ships, excessive power consumption of auxiliary engines will inevitably occupy the energy share required by the ship’s main propulsion equipment, which will affect the increase of ship’s navigation endurance, resulting in increased shipping costs, which is not in line with the energy-saving reduction in the national energy policy. The use of energy-saving technologies to reduce the energy consumption of auxiliary engines is an effective way to increase the endurance of ships and reduce operating costs. Once a ship on a long journey has limited energy supply, its electrical equipment may run slowly, which directly affects the normal navigation of the ship.
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