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

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App<strong>en</strong>dix 193<br />

TABLE 94, NP CURRENT IN FUNCTION OF CM VOLTAGE AND OUTPUT VOLTAGE ANGEL θ,<br />

MODULATION DEPTH m = 1<br />

m = 1, cos(ϕ) ) = 1<br />

(ϕ = 0)<br />

m = 1, cos(ϕ) ) = 0.86<br />

(ϕ = 0.52)<br />

m = 1, cos(ϕ) ) = 0.01<br />

(ϕ = 1.56)<br />

This operating point provi<strong>de</strong>s maximum sinusoidal phase to phase values before going into<br />

over modulation. Note the shape of the minimum injected NP curr<strong>en</strong>t. It contains a dominant 3 rd<br />

harmonic for all load angles, but also relatively large higher harmonics (odd multiples of three).

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