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Design and development of microcontroller-based temperature monitoring and control system for power plant generators
IOP Conference Series: Materials Science and Engineering Pub Date : 2021-02-20 , DOI: 10.1088/1757-899x/1055/1/012158
Sukumar Ponnusamy 1 , Ravi Samikannu 2 , B A Tlhabologo 2 , W Ullah 3 , Srinivasan Murugesan 4
Affiliation  

The protection of turbine generator systems is an important factor that must be considered in power plant for efficient production of electricity. This project deals with temperature level monitoring of the power generator and it will be compared with the predetermined standard value through an LM35 sensor. Once it exceeds the predetermined value then the cooling fan will automatically turn on which will be useful to prevent the generator from internal winding thermal failure. The protection system consists of 16x2 LCD display, LM35 temperature sensor, a coolant fan and a microcontroller [ATMEGA328P]. The internal winding temperature of generator is increased as the turbine is rotated at its axis which may lead to major damages in the axial position and shafts of the power generator. To overcome this, an LM35 sensor is connected and linked with the microcontroller which monitors the temperature and once it exceeds the standard temperature the coolant fan automatically is turned on by the microcontroller and the heat of the steam will be countered by the cooling air produced by the coolant fan. The fan runs continuously until the temperature is sensed to have dropped below the standard temperature. At the same instances, the LCD display outputs readable current temperature parameters for the operator. The protection of power generator system is a vital component in power plant for efficient production of electricity.



中文翻译:

基于微控制器的电站发电机温度监测与控制系统的设计与开发

涡轮发电机系统的保护是电厂高效发电必须考虑的重要因素。该项目涉及发电机的温度水平监测,并将通过 LM35 传感器与预定的标准值进行比较。一旦超过预定值,冷却风扇将自动打开,这将有助于防止发电机内部绕组热故障。该保护系统由 16x2 LCD 显示屏、LM35 温度传感器、冷却风扇和微控制器 [ATMEGA328P] 组成。发电机的内部绕组温度随着涡轮在其轴线上的旋转而升高,这可能导致发电机的轴向位置和轴的重大损坏。为了克服这一点,LM35传感器与监控温度的微控制器连接并链接,一旦超过标准温度,微控制器自动打开冷却风扇,蒸汽的热量将被冷却风扇产生的冷却空气抵消。风扇持续运转,直到感应到温度降至标准温度以下。同时,LCD 显示屏为操作员输出可读的当前温度参数。发电机系统的保护是电厂高效发电的重要组成部分。

更新日期:2021-02-20
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