GSM Based Multisource powersupply with no break technique

Diploma in electrobnic and telecommunication engineering

We are well aware that, the demand of electricity is going on increasing day by day. So as the demand is increasing, ultimately, problems like load shading came across. Due to that sudden power off, costly equipment may get damage, or a computer having data base may lose its valuable data. Many times we provide an alternate power source which will turn on automatically when first one is off. But imagine that, what will happen if second source does not have sufficient backup. So instead of rely on only two power source, we preferred multi power source. So as an electronics engineer, we develop a system, which will surely work on this issue. Our system’s title is “GSM based multi source power supply with no break techniques”. Our System consist of four different power sources e.g. solar, mains, generator, Inverter. Here sources is according to priority. Also solar is a renewable energy source. Suppose due to some problem, if ongoing source is get fail then the other source will comes in working without producing a glitch at output. The switching between sources is controlled by microcontroller AT 89C52.Anather important feature is that, a user can switch between supplies using his mobile phone. For that a GSM module is connected to microcontroller. The communication between microcontroller AT 89C52 and GSM module is controlled by serial communication protocol i.e. RS 232 standard. Thus by sending AT command from mobile to system and system to mobile, we can communicate and control the switching of supply.

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