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phase and null automatic detector
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elec1363



Joined: 12 Sep 2009
Posts: 4
Location: Iran
Post23 Oct 2009 6:13   

phase and null detector
hi.
i want to make a circuit that can detect phase and null.i dont mean by hand i mean if we connected to electricity can detect phase and null.
can any body help me?
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Post23 Oct 2009 6:13   

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lemouta



Joined: 30 Oct 2009
Posts: 1
Location: Rio de Janeiro
Post30 Oct 2009 17:18   

Re: phase and null automatic detector
You can use a one-phase PLL to detect the phase of the input voltage or current.

The control algorithm of the PLL can be easily implemented in a DSP or even in a PIC.
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