Grid-connected energy storage system and method of controlling grid-connected energy storage system

A technology of an energy storage system and a switch controller, which is applied in the fields of grid-connected energy storage systems and control of grid-connected energy storage systems, can solve problems such as the reduction of converter efficiency

Active Publication Date: 2011-06-15
韩华思路信
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, when the amount of energy produced by each module is different, the efficiency of the converter decreases

Method used

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Embodiment Construction

[0011] Specific exemplary embodiments are described in detail with reference to the accompanying drawings. Throughout the specification, like reference numerals generally refer to like parts. In the description, detailed descriptions of well-known functions and constructions may be omitted so as not to obscure aspects of the respective inventions. Certain embodiments relate to grid-tied energy storage systems capable of efficient use of converters and methods of controlling the same.

[0012] figure 1 is a schematic block diagram illustrating a grid-connected energy storage system 100 according to an embodiment.

[0013] refer to figure 1 , the grid-connected energy storage system 100 (hereinafter, energy storage system) is connected to the power generation system 130 and the grid 140 , and can supply power to the load 150 .

[0014] The power generation system 130 generates electric energy using energy sources, and outputs the electric energy to the energy storage system ...

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Abstract

A grid-connected energy storage system capable of increasing the efficiency of a converter and a method of controlling the system are disclosed. The grid-connected energy storage system can increase the efficiency of a converter by measuring generated power of a plurality of power generation modules and selectively operating the converter based on the measurements.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2009-0125030 filed in the Korean Intellectual Property Office on December 15, 2009, which is hereby incorporated by reference in its entirety. technical field [0002] The disclosed technology relates to a grid-connected energy storage system connected to a power generation system and a method of controlling the grid-connected energy storage system, wherein the grid supplies power to a load. Background technique [0003] More recently, greater interest has been invested in the development of renewable energy technologies. Since the depletion of fossil energy and environmental problems can be solved through the use of renewable energy, research on renewable energy has been actively conducted in many countries. In particular, the solar power generation system has attracted much attention because it generates electricity by using solar energy as a renewable energy source, and since the solar power gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J7/02H02J3/28
CPCY02E10/566H02J7/35H02J3/32Y02B10/14Y02E10/563H02J9/062Y02E70/30Y02B10/72H02J3/383Y02P90/50H02J2300/22H02J2300/24H02J3/381Y02B10/70Y02E10/56H02J3/46H02J3/38
Inventor 崔鲁尼
Owner 韩华思路信
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