THESIS
2014
iv leaves, v-ix, 47 pages : illustrations ; 30 cm
Abstract
With the trend that people are becoming more and more aware of the environment, the
development of electric outboard motors has come into public view. Compared with the
traditional gasoline outboard engine, an electric outboard engine has many advantages, such
as low maintenance cost, limited noise, high efficiency and zero-emission operation. In this
thesis, we develop a stable 6kW power system with a compact size and waterproof
characteristics, which is one of the key components in the electric outboard propulsion
system.
This thesis gives an introduction to the electric outboard propulsion system and then goes
through the detailed design process of the power system, including the BLDC motor driver
design and its control system. Some background theoretical knowledge related t...[
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With the trend that people are becoming more and more aware of the environment, the
development of electric outboard motors has come into public view. Compared with the
traditional gasoline outboard engine, an electric outboard engine has many advantages, such
as low maintenance cost, limited noise, high efficiency and zero-emission operation. In this
thesis, we develop a stable 6kW power system with a compact size and waterproof
characteristics, which is one of the key components in the electric outboard propulsion
system.
This thesis gives an introduction to the electric outboard propulsion system and then goes
through the detailed design process of the power system, including the BLDC motor driver
design and its control system. Some background theoretical knowledge related to the motor
driver will be described and discussed in advance. There are a number of challenges
encountered during the design phase, and one of them is a thermal issue related to the motor
driver system caused by the high power and sealed environment. To conquer this, we use
software thermal contrast simulations combined with practical experiments to help us to
modify and improve the design, which is proved to be feasible.
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