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There are some DSP based designs for Power meters and the like on the AnalogDevices web site, power factor is one of the things logged by a power meter these days
Hi
I have developed some time ago a DSP based meter. This meter device operates in mono and trifasic systems. I have used the TMS320F240 digital signal processor from Texas Instruments. The meter give, in real time, the following electrical parameter: RMS value from current and voltage; active and reactive power; active and reactive energy (consumed or produced) and power factor.
The software was based in specific algorithm's. If you like I send by mail some references that will help you with your project.
There are other solutions like fixed function devices, for exempla: by Analog Devices, Amtel, Cirrus Logic, etc...
But, I think that a software based devices will provide much more functionality and evolution ...
Make a search at this discussion board you will find some useful information :smile
hi, I want to give power factor as input to the microcontroller AT89S52 or I can use any other microcontroller. How can I give this power factor as input. The power factor is varying continuously(normal AC signal). Anyone helping in this hand will be appreciated.
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