Circutor CVM-BD Series Manuel d'utilisateur télécharger pdf (Page 6)

-- Supply network analyzers CVM-BD-420-4 & CVM-BD-420-8 -- M98132301-20 --- Page Nº 5

You can select:

a) The parameter to be controlled (it can measure active power kW,

apparent power kVA or three phase average current AIII).

b) The demand period (1 to 60 min.).

This power demand function works with sliding window : shows the accumulated

demand over the last period from "now".

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 The CVM-BD-420-.. is a 4 quadrant analyzer, that is, this can automatically

detect the energy sign:

Example of the

phase difference

between voltage

and current

Active power

kW or kW.h

Reactive power

kvar or kvar.h

P.F.

30º kW + kvar L + +

300º kW + kvar C + --

210º kW -- kvar L -- +

120º kW -- kvar C -- --

1 2 3 4 5 6 7 8 9 10 11 ... 31 32

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Circutor CVM-BD Series Manuel d'utilisateur Page 6