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Multi-energy ship distributed energy storage capacity configuration mode

A technology of distributed energy storage and capacity allocation, applied in energy storage, wind power generation, circuit devices, etc., can solve the problems of unschedulable power generation, unstable wind power, and failure to take into account, and achieve enhanced economy and reliability. The effect of reducing fuel consumption and ensuring full participation

Active Publication Date: 2021-03-30
JIANGSU UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] New energy sources, such as photovoltaics and wind power, are inherently unstable and unschedulable in power generation. Distributed energy storage is required when configuring energy storage capacity in ships with these new energy sources. The current energy storage capacity allocation method does not take into account

Method used

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  • Multi-energy ship distributed energy storage capacity configuration mode
  • Multi-energy ship distributed energy storage capacity configuration mode
  • Multi-energy ship distributed energy storage capacity configuration mode

Examples

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Embodiment

[0032] Example: such as figure 1 and figure 2 As shown, a multi-energy ship distributed energy storage capacity configuration method includes the following steps:

[0033] S1: Determine the load demand according to the specific ship type, and analyze the output of diesel generators, photovoltaic power generation systems, and wind power systems;

[0034] S2: Use the greedy algorithm to determine the number of energy storage devices;

[0035] S3: Allocate the number of energy storage devices required by each power supply according to the output of each power supply;

[0036] S4: According to the center of gravity of the ship, the positions of the energy storage devices for each power source configuration are selected.

[0037] Take an ocean-going oil tanker as an example. This type of ship has been proved to be suitable for installing photovoltaic power generation systems and wind power systems. Its route is also known, and the output of photovoltaic power and wind power has...

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Abstract

The invention relates to the technical field of new energy ships, in particular to a multi-energy ship distributed energy storage capacity configuration mode, which comprises the following steps of determining a load demand according to a specific ship type, and analyzing output conditions of a diesel generator, a photovoltaic power generation system and a wind power system; determining the numberof energy storage devices by using a greedy algorithm; distributing the number of the energy storage devices required by each power supply according to the output condition of each power supply; andselecting the position of the energy storage device configured for each power supply according to the gravity center of the hull. According to the method, the greedy algorithm is adopted to perform capacity configuration on the energy storage devices with different unit weight values, reasonable configuration of the capacity of the ship energy storage system is ensured, and the economy and reliability of ship operation are enhanced. Distributed energy storage deployment is adopted for new energy, full participation of the new energy is guaranteed, the utilization efficiency of the new energy is improved, and traditional fuel loss is reduced.

Description

technical field [0001] The invention relates to the technical field of new energy ships, in particular to a distributed energy storage capacity configuration method for multi-energy ships. Background technique [0002] The 2017 Global Renewable Energy Status Report pointed out that China's installed capacity of renewable energy (excluding hydropower) ranks first in the world. However, the ship power grid is different from the large land power grid. The access of distributed new energy makes the security and stability of the power system also increase. Energy storage technology provides a new method to solve these problems. Power energy storage technology has been recognized as an important part of the future power system, and it is of great significance to power security and large-scale application of new energy power generation. At present, many scholars have conducted research on it. Since the cost of energy storage is relatively high at present, the implementation of la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J3/38G06N20/00
CPCH02J3/32H02J3/381G06N20/00H02J2203/20H02J2300/10H02J2300/24H02J2300/28H02J2300/40Y02E10/56Y02E10/76Y02E70/30
Inventor 朱志宇魏莱
Owner JIANGSU UNIV OF SCI & TECH
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