CIRCUTOR CVM-BD Series User Manual
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 --
--