Discussion in "New Ideas regarding projects" started by    SANATH MCX    Oct 1, 2008.
Wed Oct 01 2008, 11:29 AM
#1
Hi to all,

I want to design the Power Theft Detector. Can anybody help me on this.

Regards
Sanath
Pune
Fri Oct 03 2008, 05:19 AM
#2
I think using TDR which is known as Time Domain Reflectometry we can detect the power theft and also locate the position of power theft. But the problem is how to design the TDR System.
Fri Oct 03 2008, 07:28 PM
#3
i have no idea about TDR
Sat Oct 04 2008, 10:03 AM
#4
Thanx Ajay for the Reply :-) :-) :-)

Ok ..... First let me tell about the TDR. it is very simple

( Time domain Reflectometry) is a widely used technique to find the fault occurrence in cable. and the instrument is called as Time Domain Reflectometer or Cable Radar or Echo Meter.In this
1. Sending a well defined voltage pulse down to the Testing line and waiting for the echo. 2. Displaying the sending pulse and echo on Fast oscilloscope screen
3. Analyzing the characteristics of Echo such as Shape of the waveform, Direction, Impedance, Magnitude of the pulse.
4. Measuring the Echo time to find the cable length or distance to fault.

and following are the parameters included this
1. Rise Time of the Pulse
2. Pulse width
3. The amplitude of the Pulse
4. Impedance over the cable
5. PVF ( Velocity of Pulse)

I hope the above details have given clear idea about the TDR
For More Details on TDR Please download the below PDF

[lightbox=image_url|title|group|float]http://rapidshare.com/files/150797434/01_Outstanding_TDRs.pdf[/lightbox]

Now my problem is How we can design the TDR System and How we can make use of this TDR Technique in Embedded system for the Power Theft Detection and Location Over the Transformer Lines which I feel one of the great challenging tasks in the Present scenorio.

Can anyone help me on this.

Regards
Sanath
Pune

Email: [email protected]




Mon Oct 06 2008, 12:08 PM
#5
Hi to all,

I think I need to put the end for the TDR ( Time Domain Reflectometry)



let me have one more idea for this
we know DTMF ( Dual Tone Multi-frequency ) which can be sent over the electric power lines for the communication i.e switching of device ( which is called as Device switching via DTMF) by making use of of DTMF Encoder and DTMF decoder like HT9170.
So can we make of the above technique with some other modifications for the power theft detection. please help me on this.

Regards
Sanath
Pune

Email: [email protected]
Mon Oct 06 2008, 08:02 PM
#6


Hi to all,

I think I need to put the end for the TDR ( Time Domain Reflectometry)


let me have one more idea for this
we know DTMF ( Dual Tone Multi-frequency ) which can be sent over the electric power lines for the communication i.e switching of device ( which is called as Device switching via DTMF) by making use of of DTMF Encoder and DTMF decoder like HT9170.
So can we make of the above technique with some other modifications for the power theft detection. please help me on this.

SANATH EMBEDDED




I think TDR *is* the way to go, but it seems you are the expert around here
Any method that works is likely to specialised and complex, I think you will just have to
invest in some expensive test gear and good books,
sorry



Tue Oct 07 2008, 05:55 AM
#7
Thanx for the reply

While going through the TDR concepts I got stuck in below condition.

For the TDR to work the Cable should be Metallic and atleast two conductors insulated from each other.



what does it mean .... please help me on this.

Regrads :-)
Sanath
Pune

Email: [email protected]
Tue Oct 07 2008, 06:13 AM
#8
I think it just means metallic conductors.. ie copper.
You need at least two conductors to look for unusual
interactions between them.




[ Edited Tue Oct 07 2008, 06:15 AM ]
Tue Oct 07 2008, 07:22 AM
#9
Hi Experiment UK,

Thanx for the reply,

Ok .... Let me take the example of Electric transformer power lines.
it has got two lines ( Metallic conductors) one is Phase and another one is Neutral.
which are insulated from each other. Is it right or not....

Regards
Sanath
Pune

Email: [email protected]
Tue Oct 07 2008, 07:35 AM
#10


Hi Experiment UK,

Thanx for the reply,

Ok .... Let me take the example of Electric transformer power lines.
it has got two lines ( Metallic conductors) one is Phase and another one is Neutral.
which are insulated from each other. Is it right or not....

Regards
Sanath
Pune

Email: [email protected]

SANATH EMBEDDED



Yes that would be correct, as long as the two lines are together in a cable,
and not six feet apart on big pot insulators

I think working with high power systems may make a difficult job
even harder, and rather dangerous.

Get Social

Information

Powered by e107 Forum System

Conversation

ExperimenterUK
Sun Feb 04 2018, 09:38 PM
Hi Dave. Good to see you.
DavesGarage
Tue Jan 09 2018, 07:55 PM
It's been a few years since I poked around here - Hi all...
ExperimenterUK
Mon Jan 08 2018, 07:19 PM
Hi TPS. it's been a while..
۞ TPS ۞
Sun Jan 07 2018, 06:42 PM
hello
Thu Jan 04 2018, 01:50 PM
sayyad affrid
its AT89S52
Thu Jan 04 2018, 01:50 PM
sayyad affrid
sir, i want embedded c code for ultrasonic sensor having buzzer interfaced with AT9S52
Mon Dec 18 2017, 08:12 PM
zafir
i am making digital voltmeter using AT89C51, ADC and LCD 16x2,,, kindly someone please send me hex file in assembly language
Fri Dec 15 2017, 12:18 PM
mehari
can not find dhtxx.md file in proteus 8.0 can anybody help me please?
sahar7478
Fri Dec 08 2017, 12:47 PM
can i get gsm a6 library? can anybody help? tia
Faiqa
Sat Nov 25 2017, 08:32 AM
Can i get the code of Monitering and controlling of green house effect? ... Can anyone help me ?

Downloads

Comments

justotemon
Sat Feb 17 2018, 07:14 AM
nicolekristen
Fri Feb 16 2018, 12:19 PM
pavithrann
Wed Feb 14 2018, 04:46 PM
Tue Feb 13 2018, 03:18 PM
SDN1964
Sun Feb 11 2018, 12:00 PM
Nickynet
Sat Feb 10 2018, 11:02 PM
paulfjujo
Thu Feb 08 2018, 09:01 AM
holdthedoor264
Tue Feb 06 2018, 06:49 AM

Online

Guests: 55, Members: 0 ...

most ever online: 182184
(Members: , Guests: 182184) on 06 Aug 2010: 05:37 AM

Members: 37963
Newest member: justotemon
Forum Activity
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Feb 14 2018, 08:43 PM
>strange to don't define the way Write or Read..fo...
paulfjujo Avatar
Posted By paulfjujo
Wed Feb 14 2018, 02:25 PM
hello,Thank for your answer, but today i wrote thi...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Feb 13 2018, 09:43 PM
Glad you sorted it.I'm sure you will remember if f...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Feb 13 2018, 09:38 PM
>When i initialise UART_Init (9600); i get error=1...
Martinv Avatar
Posted By Martinv
Tue Feb 13 2018, 09:26 PM
Mmmm feel quite silly, but learned a lot. I must ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Feb 13 2018, 08:07 PM
Can you zip and attach your full code.Using a seco...
paulfjujo Avatar
Posted By paulfjujo
Tue Feb 13 2018, 12:28 PM
hello,i tried this litle code with MikroC for 8051...
Martinv Avatar
Posted By Martinv
Tue Feb 13 2018, 09:22 AM
Thanks for the reply. The part of the main loop t...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Feb 13 2018, 01:12 AM
Unless "READSMS" has some very long delays I doubt...
paulfjujo Avatar
Posted By paulfjujo
Sun Feb 11 2018, 06:52 PM
hello,The chip is probably locked.Why not build t...