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Christoph Haederli - Les thèses en ligne de l'INP - Institut National ...

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186 App<strong>en</strong>dix<br />

9.5.3 Maximum and minimum curr<strong>en</strong>ts for the ANPC1<br />

TABLE 87, NP CURRENT LIMITS (MIN AND MAX) IN SYMMETRICAL 3 PHASE SYSTEMS MAKING USE<br />

OF DIFFERENT MODULATION TYPES . THE ANGLE INDICATES POSITION OF THE VOLTAGE VECTOR IN<br />

THE FIRST TWO SEGMENTS IN THE αβ-FRAME (0 TO 2π/3)<br />

Condition<br />

Unconstrained DC CM<br />

injection<br />

Real time NP curr<strong>en</strong>t<br />

function<br />

Modified and virtual vectors<br />

cos(ϕ)=1<br />

I NP-min<br />

i<br />

θ<br />

m<br />

cos(ϕ)=1<br />

I NP-max<br />

ϕ = 1.3<br />

cos(ϕ)=0.27<br />

(inductive)<br />

I NP-min<br />

ϕ = 1.3<br />

cos(ϕ)=0.27<br />

(inductive)<br />

I NP-max<br />

ϕ = 1.56<br />

cos(ϕ)=0.01<br />

(inductive)<br />

I NP-min<br />

ϕ = 1.56<br />

cos(ϕ)=0.01<br />

(inductive)<br />

I NP-max

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