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Author Topic: (req) Prepaid Energy Meter  (Read 4026 times)
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shibuv
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« on: August 10, 2009, 07:38:43 07:38 »

Hello

  Anybody can Help me to find a PIC based Pre-paid Energy meter



shibuv
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Ahmad_k
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« Reply #1 on: August 10, 2009, 11:40:43 11:40 »

it is simple. Use MCP3909 from microchip.

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The MCP3909 is an energy measurement IC supporting the IEC 62053 international energy metering specification. The output of the device includes a frequency proportional to the average active (real) power at the inputs as well as a simultaneous serial SPI interface to access the ADC channels and multiplier output data. The MCP3909 incorporates two 16-bit delta-sigma ADCs with a progammable gain up to 16, which enable small shunt meter designs for measuring a wide range of Ib and Imax currents. The output waveform data is available at up to 14 kHz with 16-bit ADC output and 20-bit multiplier output data.  The integrated on-chip voltage reference has an ultra-low temperature drift of 15 ppm per degree C

Datasheet

http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en520376

MCP3909 3-Phase Energy Meter Reference Design Using PIC18F2520

http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1406&dDocName=en520559
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falcon _bd
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« Reply #2 on: August 10, 2009, 11:48:24 11:48 »

http://www.sonsivri.com/forum/index.php?topic=1929.0

use the search button you will get more
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nanocycle
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« Reply #3 on: October 10, 2009, 11:55:28 11:55 »

Hello


My suggestion is MAXQ3180.


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khan_yousaf
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« Reply #4 on: October 13, 2009, 11:55:17 11:55 »

This is what is given at maxim website....
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The MAXQ3180 is a dedicated electricity measurement front-end that collects and calculates polyphase voltage, current, power, energy, and many other metering and power-quality parameters of a polyphase load. The computed results can be retrieved by an external master through the on-chip serial peripheral interface (SPIā„¢) bus. This bus is also used by the external master to configure the operation of the MAXQ3180 and monitor the status of operations.

Have you used it practically? because it seems to be a very handy and efficient way of doing it... Smiley
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nanocycle
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« Reply #5 on: October 23, 2009, 11:06:37 23:06 »

No i have not tested it because i can't find this chip in my country.next week i will go to europe for a job and i have chance of buying it.
If i was successful in driving that IC i will let you know.

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« Reply #6 on: November 03, 2009, 06:43:56 18:43 »

use Teridian's 71M6513 / 33

Chinni
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janakfun
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« Reply #7 on: November 16, 2009, 12:58:24 12:58 »

Well do you need any chip that supprots energy measurement or so..
I had this Prepaid Energy meter as my final year project of Engineering.. Are you looking out for the same?? I have used 8051 controller..
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Janak
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