| 光伏并网逆变器人机接口单元的设计 |
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| 引用本文： | 李秉键.光伏并网逆变器人机接口单元的设计[J].低压电器,2011(11):28-32. |
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| 作者姓名： | 李秉键 |
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| 作者单位： | 嘉应学院，广东梅州,514015 |
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| 摘 要： | 人机接口单元的设计方案以微控制器为核心,通过带光电隔离的RS-485总线分别与并网逆变器的控制系统和上位计算机连接。设计了人机接口单元的硬件电路;用模块化方法设计人机接口单元的软件,重点讨论人机接口单元的通信协议设计。在一台并网逆变器上完成人机接口单元的运行试验。试验结果显示,所设计的人机接口单元工作可靠,实现了人机接口的功能,且不会对并网逆变器的并网发电运行造成影响,具有一定的工程实用价值。
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| 关 键 词： | 光伏 并网逆变器 人机接口 RS-485总线 通信协议 |
Design of Human Machine Interface Module of Photovoltaic Grid-connected Inverter |
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| LI Bingjian.Design of Human Machine Interface Module of Photovoltaic Grid-connected Inverter[J].Low Voltage Apparatus,2011(11):28-32. |
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| Authors: | LI Bingjian |
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| Affiliation: | LI Bingjian(Jiaying University,Meizhou 514015,China) |
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| Abstract: | A human machine interface(HMI) module design method suitable for photovoltaic-voltage grid-connected inverter was studied.Firstly,a design scheme of HMI was established,in which the core was a microcontroller connected with the grid-connected inverter controlling system and the remote computer.The schematic of the HMI was designed.The software of the HMI was designed in modular manner and the emphasis was to discuss designing the communication protocol of the HMI.The running experiment of the HMI was done i... |
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| Keywords: | photovoltaic voltage grid-connected inverter human machine interface RS-485 bus communication protocol |
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