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Ocean energy multi-energy hybrid power supply system

A technology of power supply system and energy storage system, applied in the direction of single-grid parallel feeding arrangement, etc., can solve problems such as lack of research, and achieve the effect of improving conversion efficiency and reliable system safety protection function

Inactive Publication Date: 2016-02-10
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the above power generation systems, there is a lack of research on ocean energy power generation devices and ocean energy multi-energy complementary intelligent power supply systems that comprehensively utilize various ocean energies, and no key technologies have yet been formed.

Method used

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  • Ocean energy multi-energy hybrid power supply system
  • Ocean energy multi-energy hybrid power supply system
  • Ocean energy multi-energy hybrid power supply system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Such as figure 1 As shown: the present invention includes an ocean energy generating device group 1, a grid-connected control cabinet group 2, a confluence switch cabinet 3, a console 7, an energy storage system 6, and a user load 5; the ocean energy generating device group 1 is sequentially connected with the grid-connected control cabinet Group 2 and bus switchgear 3 are electrically connected, and bus switch cabinet 3 is electrically connected to energy storage system 6, user load 5 and external power grid 4 respectively. Ocean energy power generation device group 1, grid-connected control cabinet group 2, and bus switch cabinet 3 are respectively It is electrically connected with console 7. Ocean energy generating device group 1 is a combination of wave energy generating device 11, tidal energy generating device 12, tidal current energy generating device 13 and temperature difference energy generating device 14; grid-connected control cabinet group 2 includes grid-c...

Embodiment 2

[0024] Such as figure 2 Shown: except following difference, other is with embodiment 1. Ocean energy generating device group 1 is a combination of four wave energy generating devices 11; grid-connected control cabinet group 2 includes grid-connected control cabinet A21, grid-connected control cabinet B22, grid-connected control cabinet C23 and grid-connected control cabinet D24; four The wave energy generating devices 11 are respectively connected to the grid-connected control cabinet A21, the grid-connected control cabinet B22, the grid-connected control cabinet C23 and the grid-connected control cabinet D24, and the four wave energy generating devices 11 are respectively connected to the console 7; the grid-connected control cabinets A21, The grid-connected control cabinet B22 , the grid-connected control cabinet C23 and the grid-connected control cabinet D24 are respectively connected to the console 7 .

Embodiment 3

[0026] Such as image 3 Shown: except following difference, other is with embodiment 1. Ocean energy generating device group 1 is a combination of two tidal energy generating devices 12 and one thermoelectric generating device 14; grid-connected control cabinet group 2 includes grid-connected control cabinet A21, grid-connected control cabinet B22 and grid-connected control cabinet C23; One tidal energy generating device 12 is respectively connected to the grid-connected control cabinet A21 and the grid-connected control cabinet B22, the thermoelectric energy generating device 14 is connected to the grid-connecting control cabinet C23, and the two tidal energy generating devices 12 and the thermoelectric energy generating device 14 are respectively connected to the console 7 ; The grid-connected control cabinet A21, the grid-connected control cabinet B22 and the grid-connected control cabinet C23 are respectively connected to the console 7.

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Abstract

The present invention relates to an ocean energy multi-energy hybrid power supply system which comprises an ocean energy power generation device group, a grid-connected control cabinet group, a bus switchgear, a control station, an energy storage system and a user load. The ocean energy power generation device group is electrically connected to the grid-connected control cabinet group and the bus switchgear orderly. The bus switchgear is electrically connected to the energy storage system, the user load and an external grid respectively. The ocean energy power generation device group, the grid-connected control cabinet group and the bus switchgear are electrically connected to the control station respectively. The ocean energy power generation device group comprises a combination of one or more devices in the group consisting of a wave energy power generation device, a tidal energy power generation device, a tidal current energy and a temperature difference energy generation device. Each power generation device in the ocean energy power generation device group is individually connected to the each grid-connected control cabinet of the grid-connected control cabinet group and the control station respectively. Each of the grid-connected control cabinet of the grid-connected control cabinet group is connected to the control station. According to the ocean energy multi-energy hybrid power supply system, multiple ocean energies are comprehensively utilized to carry out hybrid power generation, and the stable electric energy output is realized.

Description

technical field [0001] The invention belongs to the technical field of ocean energy utilization, and in particular relates to an ocean energy multi-energy complementary power supply system. Background technique [0002] Multi-energy complementary power system, also known as hybrid power generation system or new energy micro-grid, refers to a small-scale power system that makes full use of renewable energy such as water power, wind power, solar energy and other resources according to local conditions to form a variety of energy sources that complement each other. The system can be composed entirely of renewable energy, or it can be based on one or several new energy sources, supplemented by fuel and gas. Commonly used complementary systems include: wind-solar-storage complementary power supply system, wind-fuel-fuel-storage complementary power supply system, wind-solar-diesel-storage complementary power supply system, solar-water-storage complementary power supply system, sol...

Claims

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Application Information

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IPC IPC(8): H02J3/38
Inventor 史宏达刘臻黎明李美征张家明黄淑婷宫广新
Owner OCEAN UNIV OF CHINA
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