Introduction

Research projects

	PM motors with field-weakening capabilities for electric traction The project investigates system aspects linked to introducing PM motors in trains.
	Losses in Large-scale Inverter-fed Synchronous Machines This research project aims to develop an understanding of the mechanisms of excess effects, mainly losses, which occur in inverter driven large-scale Synchronous Machines.
	Low-speed direct-driven PM motors The goal of the project was to define suitable PM drives to replace induction motors with gearbox for low-speed applications. The focus has been on motors with concentrated windings and a wide speed range along with the inductances and iron losses. The p
	Influence of winding distribution on performance of electrical AC-machines In this project, different winding configurations in AC-machines are investigated. Focus is on high voltage machines (3-15 KV) and in particular fractional-conductor windings.
	Direct-driven Transverse Flux Generator for Off-shore Wind Farms The goal of the project is to develop models of the new transverse flux topology invented by C. Sadarangani and apply them to design a cost-effective direct-driven generator of several megawatts.
	Stray losses in induction machines with cast aluminum and cast copper rotors The goal of the project is to develop models for analysis of stray losses in low voltage induction motors with aluminum and copper squirrel-cage. A special attention is given to inter-rotor bar currents.
	Permanent magnet drives for industrial tools Thermal and electromagnetic models are developed to design and built radial-flux PM motors for industrial tools.
	Diagnostics of electrical machine and drive for condition based maintenance The research focuses on finding ways to interpret the condition of the machine and its drive from the available measured quantities by identifying fault patterns.
	Identification and modeling of losses in inverter-fed permanent magnet motors The goal of the project is to develop measurement methods to improve the knowledge on losses in electrical machines. The project will be restricted to the investigation of PM motors as they are the core competence of the current research team within HPD.
	Control and Implementation of a Modular Multilevel Converter (M2C) for High Power Electrical Machines This project consists of both study and implementation of an innovative converter which may overcome today’s multilevel conversion solutions for machines applications.