You could subtract the two voltages via an op amp.My problem is that i have a voltage source 240 V, 50 Hz and i want to insert a voltage source in series, around 24 V and also 50 Hz. Then i want to have the results from only the low voltage source without the ones of high voltage. The low voltage signal can be of any format i want (square wave, modulated etc).
The X10 comment was meant to give you an idea of how to implement your signal on a mains signal - what the physical circuit can look like.X - 10 protocol is a nice thought but it uses an RF signal and that is not going to work in my case. I need the signal to have a frequency of 50 Hz so i can get the total circuit impedance correctly. The series connection part is a hypothesis, i am still trying to figure it out.
Exactly what I was trying to say in post #8. I am just concerned that the OP is trying to pump a low impedence signal into the mains line and possibly cause distortion for the rest of his appliances and even his neighbor's mains.how will the 24 volt affect the 240 volt line when a cofee pot isw turned on? unless it has the same current possable to the 240 volt, it will just fade away. how much difference in a 240 volt ac 50 hz line with a few amps when you couple a 24 volt ac, 50 hz in phase or out, at a few ma. into it? not very much at all, I'll bet. it would be better to use a carrier frequency.
That was my question too when i first read the project but this was the challenging part and i had to give it a try.. Thanks anwSo, if I get it right, you want to analyze what loads are connected to your home, i.e. if they are capacitive or inductive.
Then why not simply use the mains power as your test signal, measure current at the input panel as well, and then simply do the calculations to measure the phase angle etc.?
I dont see any possible way in which you could add your test signal at 50Hz to your home grid without destroying something in the process.
|Thread starter||Similar threads||Forum||Replies||Date|
|How do I set which input pins are active and how do I distinguish which is which (ASSEMBLY)?||Homework Help||6|
|Hi! Can anyone distinguish what this ceramic component is?||Technical Repair||3|
|distinguish between plastic and glass||General Electronics Chat||11|
|How to distinguish a failing CRT from other faulty components?||Technical Repair||4|
|G||How to distinguish between LEDs||General Electronics Chat||7|
|How do I set which input pins are active and how do I distinguish which is which (ASSEMBLY)?|
|Hi! Can anyone distinguish what this ceramic component is?|
|distinguish between plastic and glass|
|How to distinguish a failing CRT from other faulty components?|
|How to distinguish between LEDs|
by Jake Hertz
by Jake Hertz
by Steve Arar
by Jake Hertz