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High-quality power supply system and method thereof

A technology of power supply system and power supply method, which is applied in the direction of power network operating system integration, information technology support system, collector, etc., and can solve the problem of large power loss and other problems

Inactive Publication Date: 2019-08-09
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a high-quality power supply system and a high-quality power supply method for the problem of large power loss in the voltage sag control device in the traditional technology

Method used

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  • High-quality power supply system and method thereof
  • High-quality power supply system and method thereof
  • High-quality power supply system and method thereof

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail through the following embodiments and in conjunction with the accompanying drawings.

[0020] An embodiment of the present invention provides a high-quality power supply system 100 for supplying power to a load 200 . High-quality power supply system 100 structure such as figure 1 As shown, it includes a switch module 10 , an energy storage module 20 and a photovoltaic module 30 .

[0021] The switch module 10 is used for connecting the grid 300 and the load 200 in series, and is used for disconnecting the grid 300 and the load 200 when the grid 300 fails. The energy storage module 20 is connected to the load 200 and connected to the grid 300 through the switch module 10 . The energy storage module 20 is used to supply power to the load 200 when the grid 300 fails. The photovoltaic module 30 is connected to the ener...

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Abstract

The invention relates to a high-quality power supply system. The high-quality power supply system includes a switch module, an energy storage module and a photovoltaic module, wherein the switch module is used for connecting a grid with a load in series and disconnecting the grid and the load when the grid is in fault, the energy storage module is used for connecting the load and connecting with the grid through the switch module, the energy storage module is used for supplying power for the load when the grid is in fault, and the photovoltaic module is connected with the energy storage moduleand is used for supplying power for the energy storage module when the grid is normal operation. The high-quality power supply system is advantaged in that through switching between power supply of the grid and power supply of the energy storage module, influence on the load due to the fault of the grid side is avoided, normal operation of the load is guaranteed, a problem of large electric energy loss of a voltage sag control device in the prior art is solved, the photovoltaic module is further set, the photovoltaic module can be used for supplying power for the energy storage module, and sufficient energy of the energy storage module is guaranteed.

Description

technical field [0001] The invention relates to the technical field of power supply, in particular to a high-quality power supply system and a high-quality power supply method. Background technique [0002] As the power load has higher and higher requirements on power quality, voltage sags and short-term interruptions, as typical power quality problems, often cause shutdown failures of sensitive loads, resulting in economic losses. Existing devices for solving voltage sags and short-term voltage interruptions usually include uninterruptible power supply (UPS), dynamic voltage restorer (DVR) and the like. In the event of voltage sag or short-term voltage interruption, uninterruptible power supply (UPS) and dynamic voltage restorer (DVR) can continuously supply power to the load, so as to ensure that the power supply voltage of sensitive load meets its normal working requirements. [0003] However, during the implementation process, the inventor found that the traditional tec...

Claims

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Application Information

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IPC IPC(8): H02H7/26H02J9/06H02J7/35
CPCH02H7/262H02J7/35H02J9/061Y02B10/70Y02B70/30Y02E10/56Y04S20/20
Inventor 马智远莫文雄许中王勇栾乐覃煜张群峰叶志峰李情周凯郭倩雯王荣富
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD