Automatic Solar Photovoltaic Battery Monitoring and Theft Control system
Journal Title: International Journal of Electrical and Electronics Engineering Research (IJEEER) - Year 2017, Vol 7, Issue 6
Abstract
Being able to monitor the SPV battery remotely then it makes important to reducing time and cost associated with site visits. This is obviously especially important for an-off-grid system, which is often in even harder to reach the remote area. Solar Photovoltaic stand-alone power sources are mainly used for outdoor lightings, such as garden lighting, street lighting etc. Batteries are invariably used to store the solar energy during its availability. Solar photovoltaic pannels and the batteries are often located in open fields and remote areas, due to these two problems associated with it. Firstly, the batteries are more vulnerable to theft. Secondly, the monitoring of dry run or discharge of batteries and maintenance becomes difficult and expensive. This paper will explain the method to control the battery theft and maintenance of the batteries used in SPV systems. Objectives of this system are i) to sense if the battery is lifted from its place and alert the authorized person by call and message ii) battery temperature monitoring and display of the same in the LCD. iii) And it also indicates the under and over voltage of the system. The proposed monitoring and security system has sensing unit and the main unit. Sensing unit consists of an accelerometer to sense the displacement of the battery from its place and a unit to monitor the temperature of the battery. Temperature is measured using LM35 temperature sensor. The main unit includes LCD, GSM Module, Buzzer and two microcontrollers. Microcontroller (P89V51RD2BN) is interfaced with GSM module, Buzzer and LCD. Microcontroller (AT89C2051) receives the signals from the temperature sensing unit and theft sensing unit, convert the parallel data to serial data and sends the serial data to the main unit through the Zig-Bee RFM75 transceiver. The LCD is used to display the status of the battery. The GSM module is used to send alert text messages in case of temperature rise of the battery. Further, a phone call is made to the authorized person as well as buzzer beeps to alert battery theft.
Authors and Affiliations
Abdulgaffar Doddamani, Sujay. S. Naglikar
Keywords
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