# Polar Plot for Electrical Phasor Diagram

**URL:** <https://forum.inductiveautomation.com/t/polar-plot-for-electrical-phasor-diagram/22195>\
**Category:** Ignition\
**Created:** [January 29, 2019, 4:42pm UTC](https://forum.inductiveautomation.com/t/polar-plot-for-electrical-phasor-diagram/22195 "2019-01-29T16:42:49Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![jgooding](https://avatars.discourse-cdn.com/v4/letter/j/a88e4f/32.png) [@jgooding](https://forum.inductiveautomation.com/u/jgooding)\
**Post date:** [January 29, 2019, 6:44pm UTC](https://forum.inductiveautomation.com/t/polar-plot-for-electrical-phasor-diagram/22195/4 "2019-01-29T18:44:00Z")

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It is talked about in a sample project at

> [@Project screenshots - share yours](http://forum.inductiveautomation.com/t/project-screenshots-share-yours/513/29):
>
> Energy metering project in progress. Overview Single meter detail Construction of the power factor meter was interesting. I drew the voltage vectors, the inductor (beziers) and capacitor. The current vectors are done using the ‘meter’ display and hiding most of its (rather ugly) features. Set the Value property to an Expression Tag to calculate the angle. In my case it was: acos({Nifty PF vector instrument.PF1}) etc. Note that this returns radians so I just set the limi…

See if that helps!!!

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