Electrical energy management apparatus and methods

A technology of electric energy management and electric energy, which is applied in the direction of circuit devices, AC and DC network circuit layout, photovoltaic power generation, etc., can solve the problems of heavy weight, unaffordable, large volume of low-frequency transformers, etc.

Active Publication Date: 2018-11-23
NANYANG TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While such voltage differences can be compensated by low frequency transformers, low frequency transformers are bulky, heavy and uneconomical

Method used

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  • Electrical energy management apparatus and methods
  • Electrical energy management apparatus and methods
  • Electrical energy management apparatus and methods

Examples

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Embodiment Construction

[0043] image 3 Shown is a power management system according to an embodiment of the invention. The energy management system forms an AC-DC hybrid microgrid that can be electronically reconfigured.

[0044] Such as image 3 As shown, the power management system includes: a highly applicable plug-and-play integrated AC-DC hybrid micro-grid module 300 connected to a variety of electric energy sources (both AC and DC); multiple energy storage devices; and multiple Load (both AC and DC).

[0045] Such as image 3 As shown, a wind turbine (or a plurality of wind turbines) 310 is connected to an AC / DC microgrid module 300 through a smart interface 312 . Smart interface 312 includes: local controller 312a; local communication bus interface 312b, which may be implemented as a controller area network (CAN) bus interface; memory 312c, which may be implemented as flash memory; power interface 312d; A communication device may be implemented as a wireless antenna. The communication d...

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PUM

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Abstract

An electrical energy management apparatus is disclosed. The apparatus comprises: a plurality of interface ports for establishing electrical connections with electrical energy sources and / or electricalenergy loads and / or electrical energy storage devices; a plurality of electrical power converters each having input ports and output ports; a relay array comprising a plurality of relay cells arranged to be switchable between connections to input ports and output ports of the plurality of electrical power converters; and a controller configured to generate control signals for the relay cells of the relay array and thereby configure connections between the input ports and output ports of each of combinations of the electrical power converters.

Description

technical field [0001] The embodiments of the present invention relate to electric energy management, in particular to the management of electric energy conversion between different electric energy sources and loads in microgrid applications. Background technique [0002] Today, renewable energy sources (RES), such as solar photovoltaics (PV) and wind turbines, are becoming more and more popular. This is due in part to growing concerns over the depletion of non-renewable energy sources based on fossil fuels and the carbon emissions associated with the use of non-renewable energy sources. The generation of renewable energy depends on actual weather conditions such as wind speed, solar radiation and temperature. Such conditions can undergo drastic and rapid changes over time. In order to ensure the stable energy supply of renewable energy, direct current (DC) energy storage devices such as battery packs and supercapacitors are usually used to compensate for the output power ...

Claims

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Application Information

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IPC IPC(8): H02J4/00H02J3/02H02J3/38
CPCH02J3/02H02J3/38H02J4/00H02J2310/10H02J2300/10H02J2300/20H02J3/381Y04S20/222Y02B70/3225H02J2300/24H02J2300/28Y02E10/56
Inventor 潘学伟王鹏肖建芳朱福鸿
Owner NANYANG TECH UNIV
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