AC power line communication

[gehan_s]

Hi all,

I am a third year EE student who has to do a final year project. I am thinking of doing a project on the above topic. The idea is to use power line communication to control devices (home or factory appliances) and for data acquisition.

The problem is I have no previous knowledge on this regard. Can someone help point me in the right direction and tell me where to start.

Thanks in advance !!!!!!!!!!!!!!!!!!!!!!

 

[alec_t]

There are already well-established commercial systems available for this. A bit of googling will find them.

 

[schmitt trigger]

X10 protocol?

 

[canadaelk]

The National/TI part LM1893 is a carrier-current transceiver. Check their datasheet. Plenty of info on the net as well.

Make sure that the learning experience does not include one from the AC mains!

Good luck, E

 

[schmitt trigger]

"Make sure that the learning experience does not include one from the AC mains!"

I second that. That is why one should read very carefully the datasheet and follow all the recommendations.

In particular, make sure that you employ "Y" rated capacitors. They are a little more expensive, but could save you from a nasty shock and/or prevent whatever equipment that is connected to your transceiver from frying.

 

[milanino]

have you the circuit of your project please

 

[ronv]

https://www.electro-tech-online.com/custompdfs/2013/04/lm1893.pdf

 

[Wilksey]

According to TI the part is obsolete?