rogerluo06

How does the multimeter calculate the reactive power of single phase circuit?

I have found the three phase reactive power calculation method in PSCAD help file, as follow:

But I am just wondering how does the multimeter calculate the reactive power of single phase circuit.

Status: Open Jul 03, 2014 - 06:22 PM

reactive power

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Staff Answer

GeorgeW

Jul 14, 2014 - 08:13 AM

Hello

It does measure Vrms, Irms and Phase difference between V and I then use Vrms*Irms*Sin(angle)

George Wai,

Software Support & Development Specialist

Manitoba HVDC Research Centre

a division of Manitoba Hydro International Ltd.

211 Commerce Drive | Winnipeg, Manitoba, Canada R3P 1A3

T +1 204 989 1241 | F+ 1 204 989 1277

support@pscad.com | www.hvdc.ca | www.pscad.com

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