Читать книгу Introduction to Energy, Renewable Energy and Electrical Engineering - Ewald F. Fuchs - Страница 42

zz‐coordinate of a spatial x, y, z or r, φ, z systemimpedance phasorzeros of transfer function G(jω) from 1, …, mphasor impedance as a function of angular velocity or frequency ωcapacitive phasor impedanceinductive phasor impedanceZZener diodecomplex numberphasor load impedancephasor load impedance when in Δ connectionphasor impedance of ith Y‐connected transformer loadphasor impedance of ith Δ‐connected transformer loadphasor impedance of first Δ‐connected transformer loadphasor impedance of second Δ‐connected transformer loadphasor impedance of first Y‐connected transformer loadphasor impedance of second Y‐connected transformer loadphasor impedance of Y‐connected transformer loadphasor impedance of first connected transformer loadphasor impedance of second connected transformer loadphasor transmission/distribution line impedancephasor input impedance of primary circuitphasor reflected impedance of secondary circuit as viewed from primary circuit phasor output impedance of secondary circuitimpedance of secondary winding of transformerimpedance of secondary winding referred to the primary side of the transformercross‐branch/magnetizing impedance of transformerimpedance of primary winding of transformerphasor load impedance of secondary circuit referred to primary circuit of transformerphasor total impedanceZoutoutput impedanceZininput impedanceZCSelectronic zero‐current switchzigzagzigzag transformer (a special type of three‐phase transformer)phasor value of load impedanceZnOzinc oxide