基于单片机的风电机组齿轮箱油泵电机差异化控制系统设计

分析了风电机组齿轮箱润滑系统低温故障情况,设计了一种基于单片机的风电机组齿轮箱油泵电机差异化控制系统,介绍了其传感器、硬件电路、软件设计和可选择外加方案,并以Gamesa 850kW机组为例介绍了系统使用方法。该系统可以智能差异化控制齿轮油泵电机运行状态,确保在北方低温条件下齿轮箱润滑系统正常工作,避免出现冬季大风天等油升温启机、油泵电机过负荷大面积跳闸、风电机组油温高限负荷运行或故障停机等情况。该系统具有稳定性高、安装操作简易、智能控制、价格低廉等特点,在北方地区极具推广应用价值。

This paper analyzes the low temperature failure of gearbox lubrication system of wind turbine,designs a differential control system for gearbox oil pump motor of wind turbine based on MCU,This paper introduces the sensor,hardware circuit,software design and optional external scheme of the system,taking Gamesa 850kW for wind turbine as an example,the application method of this system is introduced.This system can intelligently and differentially control the operation state of gear oil pump motor to ensure the normal operation of gear box lubrication system under low temperature conditions in the north,This system can avoid such situations as starting the wind turbine after the increase of temperature of lubricating oil in windy days in winter,large area tripping of oil pump motor overload,operation of wind turbine with high oil temperature limit load or failure shutdown.This system has the characteristics of high stability,easy to install and operate,intelligent control,low price and so on.it has the promotion application value extremely in the north area.

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