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Jännitteenaleneman laskenta SFS 6000 - 52G

Jännitteenaleneman laskenta SFS 6000 - 52G. I B. U 2. R. X. U 1. U x. U 1. U R. U R. U x. I B. U 2. R. X. U 1. U 2. φ. I B. Jännitteen aleneman suuruus on U 1 ja U 2 osoittimien pituuksien erotus. U X *sin φ. U R *cos φ. φ. U X. φ. U R. U R * cos φ =I*R* cos φ

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Jännitteenaleneman laskenta SFS 6000 - 52G

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  1. Jännitteenaleneman laskentaSFS 6000 - 52G IB U2 R X U1 Sähköpätevyysaineisto/TAMK 2013

  2. Ux U1 UR UR Ux IB U2 R X U1 U2 φ IB Jännitteen aleneman suuruus on U1 ja U2 osoittimien pituuksien erotus UX*sinφ UR*cosφ φ UX φ UR UR * cos φ=I*R* cosφ UX * sin φ = I*X*sinφ Uh ≈ UR * cos φ + UX * sin φ Sähköpätevyysaineisto/TAMK 2013

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