... with the simulation of modal shapes is a fast way for optimizing an inverter‐fed drive system. © Emerald Group Publishing Limited 2010 Acoustic equipment Noise control Radiation The space vector modulation technique (Broek et al., 1988 ; Holtz, 1992) is especially suitable as control...

... in the AFE were analysed. Several remedies to the problem were also put forward. Oscillations Noise control Torque Modelling Electric motors Overvoltage Electrical drive systems such as shown in Figure 1 with an active front end (AFE) and a common DC‐link are often used for industrial...

... Electric machines Noise control Simulation Finite element analysis The reduction of audible noise in electrical machines is attracting more and more attention. Designing low noise electrical machines requires a good understanding of the causes of noise excitation. Classical analytical...

... of vibration. © Emerald Group Publishing Limited 2008 Electrical engineering Noise control Acoustic testing Stress (materials) Mechanical systems The second part of the paper shows that the magnetic core and wires are attracted. It is more reliable to calculate this force...

... waves q_s=number of stator phases Electrical engineering Acoustic testing Noise control Electromagnetism Electrical notations f_s=fundamental stator supply frequency f_mn^r=rotor current harmonic...

... leading to lower radiation of acoustic noise, as presented in the following. © Emerald Group Publishing Limited 2007 Noise control Electric machines Commonly used CPAs consist of a claw‐pole rotor and a stator of stacked laminations, carrying a regular three‐phase winding. A symmetry...

.... Originality/value The methods developed and proved can be applied to any electromagnetic device in general. © Emerald Group Publishing Limited 2007 Simulation Electric machines Audibility Noise control The coupled physics of a complete acoustic simulation – starting from...