INTELLIGENT SYSTEM FOR CONTROLLING LIGHTS AND FANS POWERED BY SOLAR PV

  KSH PRIYALAKSHMI DEVI,  AMIT KUMAR ROHIT

The model is developed for reducing the wastage of electricity due to careless and improper switching in households, schools, colleges and offices etc. It saves energy by maximizing the use of daylight. This is an automatic system which employs solar energy through PV. The system is capable of controlling lights, fans and air conditioners in a room depending upon various parameters such as LUX level, room temperature and motion. All these parameters are measured through various sensors and the controlling is done by microcontroller. PIR sensor detects the occupancy in the room. The microcontroller reads the LUX level of the room from the ambient light sensor. If the daylight value is below the preset threshold value, then the lights are turned on and vice versa. LM 35 sensor reads the room temperature and is compared with preset value and accordingly the ON and OFF of the fan is controlled. The model has been developed and tested in Department of Energy, MANIT Bhopal. This model itself consumes very low power and helps in saving a significant amount of energy. The model can be applied to government offices, private firms, residential buildings, schools, colleges etc. so as to avoid the wastage of electricity and maximum use of day lighting, also reduces our dependence on conventional energy and will help in conserving energy.

Keywords- Microcontroller, LUX, Temperature, PIR sensor, Solar PV.

Unique Identification Number - IJEDR1401044
Page Number(s) - 263-267
Pubished in - Volume 2 | Issue 1 | March 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)

  KSH PRIYALAKSHMI DEVI,  AMIT KUMAR ROHIT,   "INTELLIGENT SYSTEM FOR CONTROLLING LIGHTS AND FANS POWERED BY SOLAR PV", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 1, pp.263-267, March 2014, Available at :http://www.ijedr.org/papers/IJEDR1401044.pdf