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双馈式风力发电机组在线监控系统设计

时间:2020/10/14 10:45:45  作者:  来源:  查看:0  评论:0
内容摘要: 摘  要近些年来,在各国政府的大力支持和鼓励下,双馈式风力发电技术得到了快速的发展,全球的风电装机容量越来越大,然而其机电结构也越来越复杂,故当下全球双馈式风力发电机组事故频发的问题也越发地严重。永磁式双馈式风力发电系统和双馈式风力发电系统是两大常见双馈式风力发...

 

近些年来,在各国政府的大力支持和鼓励下,双馈式风力发电技术得到了快速的发展,全球的风电装机容量越来越大,然而其机电结构也越来越复杂,故当下全球双馈式风力发电机组事故频发的问题也越发地严重。永磁式双馈式风力发电系统和双馈式风力发电系统是两大常见双馈式风力发电系统,且目前国内多数风电场都在使用双馈式风力发电机组。因此,进行双馈式风力发电机组在线监控系统设计,双馈式风力发电机组的工况监测、维护成本的降低、故障诊断技术的发展等问题的研究有着重要的意义。
本文在分析和研究双馈式风力发电原理与应用的基础上,设计了一套完整的双馈式风力发电机实时监控方案并且付诸实现。本设计采用S7-200可编程控制器通过电压 、电流以及温度传感器进行数据采集,通过GPRS无线通讯进行数据传输,采用LabVIEW软件对双馈式风力发电机的三相电压、三相电流、直流母线电压、温度进行监控并完成故障异常报警,并存储历史数据进行数据分析等,最后证明该监控系统能够完成对整个风机的有效监控
 
关键词:双馈式风力发电在线监控 PLCLabVIEWGPRS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Abstract

    In recent years, the governments' support and encouragement, doubly-fed wind power generation technology obtained the rapid development of global wind power installed capacity is more and more big, but its mechanical structure is becoming more and more complex, so the present global doubly-fed type wind turbine frequent accidents problem is increasingly serious. Permanent magnet doubly-fed wind power generation system and doubly-fed wind power generation system are the two most common types of doubly-fed wind power generation system, and the current domestic most wind farms are in the use of doubly-fed wind power generators. Therefore, carries on the doubly-fed wind power generator on-line monitoring system design, the doubly-fed wind turbine condition monitoring and fault diagnosis technology and lower maintenance costs problem such as the development of the research has important significance.
Based on the analysis and study of doubly-fed wind power generation on the basis of the principle and application, designed a set of complete scheme for real-time monitoring of doubly-fed wind turbine of type and put into practice. This design USES the S7-200 programmable controller through the voltage, current and temperature sensors for data acquisition, data transmission through GPRS wireless communication, using kingview software for doubly-fed wind generator of three-phase voltage, three phase current, dc bus voltage, temperature monitoring and complete fault exception alarm, and store the history data for data analysis and so on, finally proved that the monitoring system can complete the effective monitoring of the fan.
 
    Keywords: doubly-fed wind power, condition monitoring, PLC and kingview, GPRS

  
  


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