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Current Cost Support Forum • View topic - Poer Factor Adjustment

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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 3 posts ] 
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 Post subject: Poer Factor Adjustment
PostPosted: Thu Jun 16, 2011 2:11 am 
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Joined: Thu Jun 16, 2011 2:03 am
Posts: 1
I am assuming that with the OptiSmart device the power measured will be aligned with our power meter and wont suffer from the errors we see with the current clamps?

For example the current clamp EnviR was measuring my microwave at 84W (240V x 0.35A). This aligned with the current reading in amps on the main power meter but on closer inspection using a in line power meter the PF was circa 0 - ie the power used was less than 2W.

I notice that with all the switched mode power supplies in the house which have PF's < 0.8 the EnviR will always read much higher.

Thus the new OptiSmart device will be much preferred.

Can I double check that the OptiSmart will support:
- three phase
- not block meter readers from recoding power used
- support accurate Power reading i.e. corrected for PF

Thanks

Tom


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PostPosted: Thu Jun 16, 2011 3:35 pm 
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Joined: Sat Apr 16, 2011 1:10 pm
Posts: 328
Location: East Sussex


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PostPosted: Wed Jun 22, 2011 10:56 am 
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Joined: Mon Jun 06, 2011 8:38 pm
Posts: 7
PF is no longer an issue as you are reading the 'correct' legally calibrated etc meter which has already corrected for this. It is effectively a meter reader, rather than the CTs which were effectively an (inaccurate) meter themselves.


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