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Photovoltaic panel working state detection method, device and system, and photovoltaic electrical system

A working state, photovoltaic electrical appliance technology, applied in the field of communication, can solve the problems of too long communication bus and degraded communication quality, and achieve the effect of improving communication quality

Active Publication Date: 2018-04-13
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The main purpose of the present invention is to provide a method, device and system for detecting the working state of photovoltaic panels and a photovoltaic electrical system, so as to solve the problem of communication quality degradation caused by too long communication bus between photovoltaic equipment and control equipment

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  • Photovoltaic panel working state detection method, device and system, and photovoltaic electrical system
  • Photovoltaic panel working state detection method, device and system, and photovoltaic electrical system

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Embodiment Construction

[0030] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0032]It should be noted that the terms "first" and "second" in t...

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Abstract

The invention discloses a working state detection method, device and system of a photovoltaic panel and a photovoltaic electrical system. The photovoltaic panels are installed in the photovoltaic electrical system. The photovoltaic electrical system includes photovoltaic equipment and control equipment. The photovoltaic equipment includes photovoltaic panels and modulators. The control equipment includes demodulators. The photovoltaic equipment and control equipment are connected through a DC bus. The working state detection method includes: detecting the working state of the photovoltaic panel to obtain the state parameters of the photovoltaic panel; performing modulation on the state parameters of the photovoltaic panel through a modulator to obtain a modulation signal, and loading the modulation signal to the DC bus; The signal is transmitted to a demodulator, wherein the demodulator is used to demodulate the modulated signal to obtain state parameters of the photovoltaic panel. Through the present invention, the effect of improving the communication quality between the photovoltaic device and the control device is achieved.

Description

technical field [0001] The invention relates to the field of communication, in particular to a method, device and system for detecting the working state of a photovoltaic panel and a photovoltaic electrical system. Background technique [0002] At present, with the continuous aggravation of the global energy crisis and the continuous deterioration of environmental problems, the development and application of various renewable energy and green energy have become more and more urgent for the development of social industries. Therefore, the development and application of energy-saving products and environmentally friendly products has become the direction of market development. For example, photovoltaic air-conditioning systems and photovoltaic central air-conditioning technology have developed relatively mature. [0003] However, there is no direct communication between the control equipment and the photovoltaic equipment, or another bus is set up for communication. When the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R19/00G01D21/02H04B3/54F24F11/00F24F5/00
CPCG01R19/2513G01R31/00G08C19/00H02S50/10G01D5/00G01K13/00G01R19/10
Inventor 倪卫涛冯重阳张雪芬蒋世用王京宋江喜
Owner GREE ELECTRIC APPLIANCES INC