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Solar photovoltaic power station system network communication system

A solar photovoltaic and system network technology, applied in the field of network communication protocols, can solve the problem of increasing signal transmission relay equipment, etc., and achieve the effect of low cost of communication devices, simple communication protocol, and strong anti-interference ability

Active Publication Date: 2016-05-25
苏州洪芯集成电路有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the existence of many electromagnetic interference sources, the investment of a large number of signal transmission relay equipment, and the increase of human resources for maintenance personnel, signal transmission delay is also an issue that must be considered

Method used

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  • Solar photovoltaic power station system network communication system
  • Solar photovoltaic power station system network communication system
  • Solar photovoltaic power station system network communication system

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Embodiment Construction

[0019] The present invention will now be described in further detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0020] Figure 1 The bidirectional interface circuits in the circuit are the communication interfaces of the control terminal and the controlled terminal respectively, which are CMOS bidirectional interface circuits. Figure 1 The control terminal in the power station is located in the central control room of the power station, and the control terminal is the master of the communication bus (Master). The control terminal sends addressing information, control instructions and control data to the controlled terminal and accepts the data returned by the controlled terminal. The controlled end (Slaver) is the photovoltaic modu...

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Abstract

The invention relates to a network communication protocol for a solar PV power station system. The network communication protocol comprises two or more bidirectional interface circuits between which a public grounding wire and a bidirectional signal transmitting wire are connected, and the two or more interface circuits mutually achieves signal transmission through the bidirectional signal wire. The communication protocol provided by the invention is very simple and has low device cost and stronger anti-interference ability, and misoperation caused by electromagnetic interference among the components can be avoided.

Description

technical field [0001] The invention relates to the field of solar photovoltaic power generation, in particular to a network communication protocol for building a network using solar photovoltaic modules. Background technique [0002] The traditional solar photovoltaic power generation system consists of many solar photovoltaic cell modules according to certain module arrangement rules to form a solar photovoltaic module array, and at the end of the array, the photovoltaic power generation system is formed by converging through a combiner box. According to the needs of electrical equipment, photovoltaic power generation systems can be divided into DC independent power generation systems, AC independent power generation systems and (AC) grid-connected power generation systems. The AC photovoltaic power generation system must convert the DC power generated by each photovoltaic module into AC power through the inverter for the use of AC power equipment. According to the curren...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40H02S10/00
CPCY02E10/50
Inventor 杜映红王生洪马和平吴保华
Owner 苏州洪芯集成电路有限公司