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

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App<strong>en</strong>dix 185<br />

9.5.2 Zero average NP curr<strong>en</strong>t areas for SMC and ANPC3<br />

TABLE 86, ZERO AVERAGE NP CURRENT AREAS IN SYMMETRICAL 3 PHASE SYSTEMS MAKING USE<br />

OF DIFFERENT MODULATION TYPES AND CM VOLTAGE<br />

Condition<br />

Standard<br />

modulation<br />

SMC A modulation SMC B modulation Std. and A<br />

combined<br />

All types combined<br />

cos(ϕ)=1<br />

cos(ϕ)=0.81<br />

(inductive)<br />

cos(ϕ)=0<br />

(inductive)<br />

- left of bold line: zero curr<strong>en</strong>t possible<br />

- right of bold line: zero NP curr<strong>en</strong>t not possible<br />

- dotted line: physical operation limit<br />

- Axes <strong>de</strong>finition applies to all of TABLE 85 and TABLE 87. m = 2/sqrt(3) for maximum<br />

sinusoidal phase to phase output voltage.

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