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Electric propulsion system

An electric propulsion and propulsion motor technology, which is applied in ship propulsion, propulsion components, propulsion engine and other directions, can solve the problems of different power requirements, water tools cannot adapt to light load and heavy load conditions, etc., to ensure the effect of operation

Active Publication Date: 2015-06-03
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides an electric propulsion system to overcome the problem that water tools cannot adapt to the different power requirements of light load and heavy load working conditions

Method used

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  • Electric propulsion system
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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] figure 1 It is a schematic structural diagram of Embodiment 1 of the electric propulsion system of the present invention, such as figure 1 As shown, the system of this embodiment includes: a power supply device 4, an electric propulsion device 1, a complete machine control device 2, and a mechanical output device 3. The electric propulsion...

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Abstract

The invention relates to an electric propulsion system which comprises a power supply device, an electric propulsion device, an entire machine control device and a mechanical output device, wherein the electric propulsion device comprises a propulsion motor and two sets of inverters; the input of each set of inverter is connected with the power supply device; the output of each set of inverter is connected with the input of the propulsion motor; the output of the propulsion motor is connected with the mechanical output device; and the entire machine control device is respectively connected with each set of inverter, the power supply device and the mechanical output device. According to the electric propulsion system disclosed by the invention, different requirements of lightweight running and heavyweight running of marine vehicles for power can be met; and in addition, the electric propulsion system can continuously ensure that the marine vehicle smoothly returns to a port when the electric propulsion system has faults in the process of propulsion.

Description

technical field [0001] The invention relates to electric propulsion technology, in particular to an electric propulsion system for water tools. Background technique [0002] The electric propulsion system of water tools such as fishing trawlers, small yachts, and ships uses electric power to drive the propulsion motor, and then the propeller blade is driven by the propulsion motor to make the water tool travel. The electric propulsion system can significantly improve fuel economy, reduce pollution emissions, and improve the power performance of water tools, which has important technical and economic benefits. [0003] In the prior art, when the rated power is a fixed value, the operating efficiency of the propulsion motor is the highest when the output power of the propulsion motor of the electric propulsion system is the rated power. For different load conditions, the propulsion motors of water tools can operate under different output powers, for example, when the load is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/14B63H21/17
Inventor 程卫东梁培志董晓妮张亚社
Owner CRRC YONGJI ELECTRIC CO LTD
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