On the proprieties of the differential cross-saturation inductance in synchronous machines

The cross-saturation inductance is a mutual inductance due to the saturation of portions of the magnetic circuit of one axis caused by the current of the other axis. In the sensorless drives, the differential cross-saturation inductance causes an error in the estimation of the rotor position when performed by means of the high frequency signal injection methods. The knowledge of the properties of cross-saturation inductance is therefore essential to minimize any distortion effect on the machine control. This paper aims to describe the properties of the cross-saturation inductance for different synchronous machine types, such as reluctance, interior PM and surface PM machine. Information are also given to predict the error in the estimated position for any stator currents useful for implementing an error compensation technique. The analysis is supported by finite element simulations and experimental measurements.

[1]  N. Bianchi,et al.  Effect of stator and rotor saturation on sensorless rotor position detection , 2013, 2011 IEEE Energy Conversion Congress and Exposition.

[2]  Nobuyuki Matsui,et al.  Design of Saliency-Based Sensorless Drive IPM Motors for General Industrial Applications , 2008, 2008 IEEE Industry Applications Society Annual Meeting.

[3]  Nicola Bianchi,et al.  Comparison of different synchronous machines for sensorless drives , 2013, IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society.

[4]  P. Guglielmi,et al.  Cross-Saturation Effects in IPM Motors and Related Impact on Sensorless Control , 2006, IEEE Transactions on Industry Applications.

[5]  P. Garcia,et al.  Saliency tracking-based, sensorless control of AC machines using structured neural networks , 2005, Fourtieth IAS Annual Meeting. Conference Record of the 2005 Industry Applications Conference, 2005..

[6]  Jan Melkebeek,et al.  Reciprocity relations for the mutual inductances between orthogonal axis windings in saturated salient-pole machines , 1990 .

[7]  Nicola Bianchi,et al.  On the Proprieties of the Differential Cross-Saturation Inductance in Synchronous Machines , 2017 .

[8]  Jung-Ik Ha,et al.  Sensorless drive of SMPM motor by high frequency signal injection , 2002, APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335).

[9]  S. Bolognani,et al.  Locked rotor characterization tests of IPM/REL synchronous machine for sensorless drives , 2016 .

[10]  Peter Sergeant,et al.  Rotor Geometry Design of Interior PMSMs With and Without Flux Barriers for More Accurate Sensorless Control , 2012, IEEE Transactions on Industrial Electronics.

[11]  G. Pellegrino,et al.  Position-sensorless control of permanent-magnet-assisted synchronous reluctance motor , 2004, IEEE Transactions on Industry Applications.

[12]  N. Bianchi,et al.  Iron saturation impact on high frequency sensorless control of synchronous permanent magnets motor , 2016, 2016 XXII International Conference on Electrical Machines (ICEM).

[13]  N. Bianchi,et al.  Analysis and experimental tests of the sensorless capability of a fractional-slot inset PM motor , 2012, 3rd IEEE International Symposium on Sensorless Control for Electrical Drives (SLED 2012).

[14]  Paolo Guglielmi,et al.  Position-sensorless control of the transverse-laminated synchronous reluctance motor , 2001 .

[15]  Silverio Bolognani,et al.  D-axis polarity detection for IPM synchronous motor drives by high frequency voltage injection , 2016, IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society.

[16]  Bernhard Piepenbreier,et al.  PMSM model for sensorless control considering saturation induced secondary saliencies , 2013, 2013 IEEE International Symposium on Sensorless Control for Electrical Drives and Predictive Control of Electrical Drives and Power Electronics (SLED/PRECEDE).

[17]  N. Bianchi,et al.  Influence of rotor geometry of an interior PM motor on sensorless control feasibility , 2005, Fourtieth IAS Annual Meeting. Conference Record of the 2005 Industry Applications Conference, 2005..

[18]  Nicola Bianchi,et al.  Analysis and Tests of the Sensorless Rotor Position Detection of Ringed-Pole Permanent-Magnet Motor , 2014, IEEE Transactions on Industry Applications.

[19]  Seung-Ki Sul,et al.  Comparison of PM Motor Structures and Sensorless Control Techniques for Zero-Speed Rotor Position Detection , 2006, IEEE Transactions on Power Electronics.

[20]  P. Garcia,et al.  Measurement and Adaptive Decoupling of Cross-Saturation Effects and Secondary Saliencies in Sensorless-Controlled IPM Synchronous Machines , 2007, 2007 IEEE Industry Applications Annual Meeting.

[21]  Sandro Calligaro,et al.  Accurate modeling, compensation and self-commissioning of inverter voltage distortion for high-performance motor drives , 2014, 2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014.

[22]  Paolo Guglielmi,et al.  Impact of cross-saturation in sensorless control of transverse-laminated synchronous reluctance motors , 2006, IEEE Transactions on Industrial Electronics.

[23]  Jung-Ik Ha,et al.  Sensorless rotor position estimation of an interior permanent-magnet motor from initial states , 2003 .