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2 Maszyny Elektryczne : zeszyty problemowe

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Induction machine pulsating torque analysis

100%

Skalka M. , Janda M. , Ondrušek Č.

tom Nr 88

165-168

This article contains a pulsating torque calculation of 3-phase induction machine with power 1.1 kW from electromagnetic field. Whole analysis is done by finite element method in ANSYS. The torque is calculated via a circular path integral of the Maxwell stress tensor. The Maxwell stress tensor provides a convenient way of computing forces acting on bodies by evaluating a surface integral.

Influence of rotor position on oversaturated areas size of induction machine magnetic circuit

100%

Skalka M. , Janda M. , Ondrušek Č.

Maszyny Elektryczne : zeszyty problemowe

2009

tom Nr 84

91-96

This article contains a solution of magnetic field distribution with oversaturated areas localization and description. The rotor position is important for the maximal magnetic circuit saturated identification and oversaturated areas size influence of magnetic circuit due to the variable magnetic reluctance of path. Influence of rotor position on saturated magnetic circuit is analyzed with step on twenty angular positions per rotor slot pitch. This analysis is done for 3-phase 1.1 kW induction machine by finite element method. This the time behavior of magnetic flux density is analyzed in air gap for different load conditions of machine. The paper contains also general postprocessor results juxtaposition.