Kamstrup 382 - Kamstrup A/S
Kamstrup 382 - Kamstrup A/S
Kamstrup 382 - Kamstrup A/S
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Typical accuracy charts<br />
Load curve<br />
Belastningskurve<br />
1,0<br />
Errors i %<br />
Fejl i %<br />
0,5<br />
0,0<br />
-0,5<br />
Cos(phi) cos(ϕ)=1= 1<br />
Cos(phi) cos(ϕ)=0,5 = 0,5 ind.<br />
Cos(phi) cos(ϕ)=0,8 = 0,8 cap. cap.<br />
-1,0<br />
5 20 100 200 840 1680<br />
Belastning Load % i of af Ib I b<br />
Influence Påvirkning from fra spændingsvariation<br />
voltage variation<br />
1,0<br />
Errors i %<br />
Fejl i %<br />
0,5<br />
0,0<br />
-0,5<br />
Cos(ϕ)=1 Cos(phi) = 1<br />
Cos(ϕ)=0,5 Cos(phi) = 0,5 ind. ind.<br />
-1,0<br />
40 80 90 110 115<br />
Voltage Spænding in i % af of UnU n<br />
Influence Påvirkning from fra frequency frekvensvariation variation<br />
1,0<br />
0,5<br />
I=0,1Ib, l b , Cos(phi)=1 Cos(ϕ)=1<br />
Fejl i %<br />
Errors i %<br />
0,0<br />
-0,5<br />
I=0,5Imax, lmax,<br />
Cos(ϕ)=1 Cos(phi)=1<br />
I=0,5Imax, lmax,<br />
Cos(ϕ)=0,5 Cos(phi)=0,5 ind.<br />
-1,0<br />
98 102<br />
Frequency Frekvens in i % % af fnof U n<br />
1,0<br />
Influence Påvirkning from fra temperature temperaturvariationvariation<br />
Errors i %<br />
Fejl i %<br />
0,5<br />
0,0<br />
-0,5<br />
I=0,1Ib, lb, Cos(phi)=1 Cos(ϕ)=1<br />
I=lb, I=Ib, Cos(phi)=1 Cos(ϕ)=1<br />
I=lmax, I=Imax, Cos(phi)=1 Cos(ϕ)=1<br />
-1,0<br />
-40 -25 -10 5 40 55 70<br />
Temperature<br />
Errors i %<br />
Fejl i %<br />
1,0<br />
0,5<br />
0,0<br />
-0,5<br />
MPE<br />
MPE<br />
I=ltr, I=Itr, Cos(ϕ)=1 Cos(phi)=1<br />
I=10 Itr, ltr, Cos(phi)=1 Cos(ϕ)=1<br />
I=lmax, I=Imax, Cos(ϕ)=1 Cos(phi)=1<br />
MPE (Maximum permissible error)<br />
Composite error from:<br />
– load<br />
– Voltage variation<br />
– frequency variation<br />
– temperature variation<br />
-1,0<br />
-40 -25 -10 5 23 40 55 70<br />
Temperature<br />
<strong>Kamstrup</strong> Metering Solutions<br />
6<br />
<strong>Kamstrup</strong> <strong>382</strong><br />
5810559_G1_GB_01.2010