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Intelligent monitoring box and control method thereof, and distributed power grid-connected system

A distributed power supply and monitoring box technology, applied in the field of grid connection, can solve problems such as untimely monitoring, public power supply stability cannot be guaranteed, bad distributed power supply output signals, etc., and achieve the effect of ensuring stability

Pending Publication Date: 2019-01-04
ZHEJIANG CHINT INSTR & METER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides an intelligent monitoring box and its control method, and a distributed power grid-connected system to solve the problem that the output signal of the distributed power cannot be monitored in time, and the stability of the public power cannot be guaranteed. The problem

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  • Intelligent monitoring box and control method thereof, and distributed power grid-connected system

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0027] According to the first aspect, the embodiment of the present invention provides an intelligent monitoring box, such as figure 1 As shown, it includes an acquisition module 31 and a control module 32. The acquisition module 31 is connected to the inverter 2 for collecting the input and output signals of the inverter 2 and sending them to the control mod...

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Abstract

The invention relates to the technical field of grid connection and discloses an intelligent monitoring box and a control method thereof. The distributed power supply grid connection system comprisesan acquisition module and a control module. The acquisition module is connected with an inverter and is used for collecting input and output signals of the inverter and sending them to a control unit.The control module is connected with the acquisition module, and is used for controlling the opening or closing of the electric switch device according to the input and output signals of the inverter. The intelligent monitoring box, the input and output signals of the inverter can be collected in real time, The control module judges the input and output signals of the inverter. If the input and output signals are bad, the control module can timely control the electric switch device to disconnect the distributed power supply and the power grid, thus protecting the public power supply from themalignant influence of the distributed power supply and ensuring the stability of the public power supply.

Description

technical field [0001] The invention relates to the technical field of grid connection, in particular to an intelligent monitoring box, a control method thereof, and a distributed power grid connection system. Background technique [0002] Under the circumstances of global warming, deterioration of the human ecological environment, shortage of conventional energy sources and environmental pollution, the mining and utilization of renewable new energy has gradually received attention and support from governments of all countries. With the promotion of new energy in my country and the continuous development of renewable new energy power generation technology, distributed energy has gradually become an ideal solution that can not only solve the demand for load growth but also conform to the concept of green environmental protection advocated by the country. [0003] Taking photovoltaic power generation as an example, at present, solar energy is mainly converted into DC power thr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCH02J3/381H02J3/388
Inventor 丁振郜波蒋紫松王芳尹祖成刘浩李明郑艳霞
Owner ZHEJIANG CHINT INSTR & METER
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