... ) I 3 ( s ) ] = [ Y ( s ) ] × [ V 1 ( s ) V 2 ( s ) V 3 ( s ) ] This section introduces the circuit theory of three-port topology under study. The S-matrix model will be established by means of admittance matrix (Y-matrix...

... fields Electric machines Circuit theory Most of the rotating electric machines are excited with radial flux so that 2D models are suitable for their modelling. However, axial flux and hybrid motors have 3D paths of the flux lines and cannot be modelled by using 2D finite element (FE) code...

... Limited 2010 Boundary‐elements methods Circuit theory Electrical insulation devices Voltage Electric field effects The electric field distribution in high‐voltage transmission tower window is the governing factor for various phenomena, e.g. corona, ageing, and withstand voltage...

... converters. © Emerald Group Publishing Limited 2009 Voltage Circuit theory Electrical engineering One of a number of the most desirable features of alternating current (AC) frequency converters is the generation of load voltage with arbitrary amplitude and frequency (Wheeler et al...

...; such equivalent representation is particularly suited for designing power management units for electronic portable devices. Electronic engineering Electric generators Circuit theory Small‐scale direct methanol fuel cells (μ‐DMFCs) are considered nowadays as promising power sources for portable...

... element analysis Circuit theory Modelling In order to improve effectiveness of air gap excitation flux control using the DC excitation current and to have a better understanding of machine behaviour, an analytical model based on lumped parameter magnetic circuit was developed. Some...

...^(−2π/3)j. © Emerald Group Publishing Limited 2008 High voltage Magnetism Circuit theory Magnetic fields High‐voltage (HV) power cables generate a relatively high‐magnetic field in a small area around the cables. The field should comply with the reference levels...