Direct-drive power generation system

Abstract

The invention discloses a direct-drive power generation system, which comprises a linear motion type internal combustion engine and a permanent magnet linear generator. The piston of the linear motion type internal combustion engine is connected with the two end shafts of the permanent magnet linear generator. The permanent magnet linear generator comprises a primary iron core, a primary coil, a secondary iron core and a non-magnetic shaft, wherein the primary iron core, the primary coil, the primary iron core and the non-magnetic shaft are arranged in turn from the outside to the inside; the primary coil is wound on the inner side of the primary iron core; the non-magnetic shaft is embedded in the secondary iron core; and a Halbach array permanent magnet is sleeved outside the secondary iron core, so that the magnetic field on the outer side of the permanent magnet is strengthened and the magnetic field on the inner side of the permanent magnet is weakened. In the invention, the linear motion type internal combustion engine is adopted, and the direct-drive power generation system is the permanent linear power generation system which has a small volume, light weight and high power generation efficiency and can be used as a ship power generation system.

Description

technical field [0001] The invention belongs to the field of linear generators. Specifically, it is a direct-drive power generation system that can be used in a marine power generation system. Background technique [0002] With the acceleration of the trend of global economic integration, the shipping industry is becoming more and more important. Especially since the 21st century, my country's shipbuilding industry has developed rapidly, and the increase of electrical equipment in ships has higher and higher requirements for the energy efficiency and volume space of ship power generation systems. However, the key electric energy production equipment in the ship, that is, the ship power station system, is extremely rare to be independently designed and developed by our country, and even if it is efficient, it is difficult to achieve good results. Practice has shown that the domestic ship power station system that also has three generators needs to operate three generators i...

AI Technical Summary

Problems solved by technology

[0003] The traditional power station system has the following disadvantages: 1. The existence of the crankshaft of the diesel engine increases the manufacturing cost of the ship power station equipment, and greatly reduces the energy conversion efficiency; 2. The traditional ship power station uses the traditional synchronous generator. Energy conversion efficiency is low

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