Electric push ferry energy management method based on demand side power optimization

A power optimization and energy management technology, applied in the field of ferry energy management, can solve the problems of low performance, limited energy saving effect, and failure to consider the beneficial effects of installing an energy storage system, so as to reduce pollution emissions, reduce fuel consumption, The effect of improving fuel economy

Pending Publication Date: 2022-04-19
JIANGSU UNIV OF SCI & TECH
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Problems solved by technology

[0003] At present, there have been many studies on how to improve the energy efficiency of ships and reduce pollution emissions
On the one hand, the energy management strategy based on intelligent algorithms has been proven to reduce fuel consumption in terms of power allocation between diesel generators and energy storage. However, the demand-side power of a ferry sailing cycle is certain, and the energy demand is relatively fixed. As an auxiliary power system for “shaving peaks and filling valleys” of demand power, energy storage does not play a high role. Therefore, the energy saving effect of this method is limited, and can only achieve a fuel reduction effect of about 2%. Responsive power

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  • Electric push ferry energy management method based on demand side power optimization
  • Electric push ferry energy management method based on demand side power optimization
  • Electric push ferry energy management method based on demand side power optimization

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[0044] Embodiments of the present invention will be disclosed in the drawings below, and for the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the invention, these practical details are unnecessary.

[0045] like figure 1 As shown, the present invention is an energy management method based on demand-side power optimization for electric push ferry, the method includes the following steps:

[0046] Step 1: Push the relationship model between navigation speed and propulsion power through the known route of the ferry and the working conditions of the ship.

[0047] According to the working conditions and power of the ferry, the required power of the propellers at different speeds is obtained. According to the speed and propulsion power data per minute in the power situation table, the mathemat...

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Abstract

The invention relates to an electric propulsion ferry energy management method based on demand side power optimization. The electric propulsion ferry energy management method comprises the following steps: 1) deducing a mathematical model of navigational speed and propulsion power according to a ferry working condition and power condition table; 2) segmenting the ferry route, and establishing a navigational speed optimization model by combining the stability constraint of a power system and the distance constraint of the ferry route and taking the minimum fuel consumption as a target; 3) performing optimization solution on the navigational speed optimization model by using an intelligent algorithm; and 4) the demand side power is adjusted according to the optimized navigational speed, so that a diesel generator and a battery can better coordinate to output power, and fuel consumption and pollutant emission are analyzed. According to the method, the demand side power is optimized through the known route and the electric push ferry power condition table, the energy adjusting function of the energy storage device is fully played, the diesel generator works in the interval with the highest fuel efficiency as much as possible, and fuel consumption and pollution emission are reduced to the maximum extent.

Description

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Application Information

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Owner JIANGSU UNIV OF SCI & TECH
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