Permanent magnet machines have been used in the high-speed drive applications due to their high-efficiency, high-power-density, and wide-speed range characteristics. However, control of such permanent machine is always challenging proper flux-weakening controller design essential achieve high performance these machines. In this paper, an improved feedforward scheme for interior synchronous (IPM...

This paper presents an analytical solution for the Maximum-Torque-per-Ampere (MTPA) operation of synchronous machines (SM) with anisotropy and magnetic cross-coupling for the application in wind turbine systems and airborne wind energy systems. For a given reference torque, the analytical MTPA solution provides the optimal stator current references which produce the desired torque while minimiz...

Sürekli mıknatıslı senkron motorlar (SMSM); yüksek güç yoğunluğu, verim, hızlı tepki süresi ve lineer moment karakteristiği gibi özellikleriyle performans gerektiren elektrikli araç uygulamalarında oldukça geniş yer bulmaktadır. Elektrikli araçlar uygulamalarında, sürüş menzilinin dolayısıyla enerji veriminin en kritik konu olması nedeniyle sistemdeki arttırılması büyük önem taşımaktadır. Bu ça...

The efficiency of an IPMSM motor is influenced by the operating point machine. Conventional approaches to generate measured maps may be too expensive use in some situations, thus it often replaced simpler variants based on parametric models. A promising approach combine model-based with online parameter identification methods which would allow following changes parameters. However, such also re...

1.3 Torque ratio of 6/2 pole BDFRM and the 4 pole SYNCREL with the same copper losses, active copper and current angles of π/4. 13 1.4 α s and α p for maximum torque per 1.7 Maximum-torque-per-total-amperes for various torque levels.. . 19 1.8 Real and reactive powers under the maximum-torque-per-total-amperes condition with the secondary winding being supplied at the mains frequency (ω sn = 1).

This paper studies the optimal design and control scheme of a spoke-type interior permanent magnet motor (SIPM). An asymmetric rotor structure with flux barriers is designed to improve torque density SIPM. The method improves by approximating maximum value magnetic reluctance torque, wherein components are separated frozen permeability (FPM) evaluate contribution. does not increase amount magne...

In this work, a proposed high-efficiency and low-cost photovoltaic water-pumping system based on semitransparent dye-sensitized solar cells (DSSCs) is presented. DSSCs are third-generation photovoltaics that have gained lot of interest as promising alternative for silicon cells. fabricated at low cost temperature present power conversions with high efficiency, exceeding 14%, thanks to transpare...

Abstract: High-efficiency permanent-magnet synchronous machine (PMSM) drive systems need not only optimally designed motors but also efficiency-oriented control strategies. However, the existing control strategies only focus on partial loss optimization. This paper proposes a novel analytic loss model of PMSM in either sine-wave pulse-width modulation (SPWM) or space vector pulse width modulati...