Читать книгу Introduction to Energy, Renewable Energy and Electrical Engineering - Ewald F. Fuchs - Страница 18

Bboron, base, flux density, susceptance, viscous or fluid friction coefficientB(t)magnetic flux density as a function of timemagnetic flux density vectormagnitude of magnetic flux density vectorBmsusceptance of main (m) winding of transformerB1constantB2constantBgmagnetic flux density within air gapBϕmagnetic field density component in Φ direction of (r, Φ, z) coordinate systemBϕ (r)magnetic field density component in Φ direction as a function of r coordinate of (r, Φ, z) coordinate systemBW = 1/RCbandwidthbatbatteryBearthmagnetic DC field density of Earth caused by north and south poles of Earthbncoefficient of Fourier term bnsin(nωt)bnphase b (b) to neutral (n)Bϕ_inmagnetic field density component in Φ direction inside of round wireBϕ_outmagnetic field density component in Φ direction outside of round wireB‐HB‐H characteristicBMWBayerische Motoren Werke AGbpmbeats per minuteBJTbipolar junction transistorBWbandwidth of resonant circuitβangle