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Nettforhold/Overharmonisk

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Strøm/spenningsform Sinus<br />

Tilnærmet generatortilstand<br />

0 ,<br />

Tid (ms)<br />

Ren matematisk sinusform blir benyttet som grunnlag<br />

for grunnharmoniske ved analyser<br />

Ulineær strøm/spenning, ikke<br />

sinusformet strøm/spenning<br />

AFD6_1<br />

Neutral Current<br />

SS Wave<br />

Amps<br />

Amps<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

May 03, 1999 at 14:06:40 Local<br />

30<br />

20<br />

10<br />

0<br />

Fund 3.793<br />

RMS 12.34<br />

CF 2.374<br />

-10<br />

-20<br />

-30<br />

0 2.5 5 7.5 10 12.5<br />

Time (mSeconds)<br />

15 17.5<br />

Min -29.30<br />

Max 27.68<br />

THD 309.5<br />

20<br />

HRMS11.74<br />

TIF/IT 5564<br />

0 5 10 15<br />

Harmonic<br />

20 25 30<br />

Electrotek<br />

28

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