Hannu Kärkkäinen

Researcher

Electrical Engineering

LUT School of Energy Systems

Laboratory of Electrical Drives Technology

Lappeenranta

Hannu.S.Karkkainen@lut.fi

Emulating Induction Machine Loss Segregation Procedure with FEM

Publication type

A4 Conference proceedings

Zaheer Minhaj, Aarniovuori Lassi, Lindh Pia, Anttila Alex, Kärkkäinen Hannu, Pyrhönen Juha

PWM-Induced Harmonic Power in 75 kW IM Drive System

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemela Markku, Pyrhönen Juha

Experimental Investigation of the Losses and Efficiency a 75 kW Induction Motor Drive System

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Cai Kewei, Pyrhönen Juha, Cao Wenping

Electrical and Electronic Engineering

Voltage Source Converter Energy Efficiency Classification in Accordance with IEC 61800-9-2

Publication type

A1 Journal article (refereed), original research

Aarniovuori Lassi, Härkkäinen Hannu, Anuchin Alecksey, Pyrhönen Juha, Lindh Pia, Wenping Cao

Electrical and Electronic Engineering

Modelling a Vector Controlled Induction Motor in Simulink

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha, Alalibo Belema, Cao Wenping

Measurement Accuracy Requirements for the Efficiency Classification of Converters and Motors

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

Advanced Uncertainty Calculation Method for Converter-Fed Motor Loss Determining

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

The Instrumentation Influence on the Motor Loss Determination Uncertainty

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

Analytical Evaluation of High-Efficiency Induction Motor Losses

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Lindh Pia, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha, Cao Wenping

Direct-On-Line Synchronous Reluctance Motor Efficiency Verification with Calorimetric Measurements

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha, Kolehmainen Jere, Känsäkangas Tero, Ikäheimo Jouni

Electrical and Electronic Engineering

Induction Motor Efficiency Verification Using a Balance-Type Calorimeter Equipped with a Mass Flow Meter

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

Advanced Uncertainty Calculation Method for Frequency Converter Loss Determination

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

IM motor loss evaluation using FEA and measurements

Publication type

A4 Conference proceedings

Lindh Pia, Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

Experimental and FEM verification of cogging forces of a permanent magnet linear motor with a discontinuous magnet track

Publication type

A4 Conference proceedings

Nevaranta Niko, Huikuri Marko, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

Electrical and Electronic Engineering

Technology Comparison of Induction Motor and Synchronous Reluctance Motor

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha, Kolehmainen Jere

Converter-Fed Induction Motor Efficiency : Practical Applicability of IEC Methods

Publication type

A1 Journal article (refereed), original research

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

Overview of Calorimetric Systems Used in Loss Determination of Electric Motor Drives

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Kosonen Antti, Pyrhönen Juha, Liu Zheng, Cao Wenping

Induction motor drive system losses

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

Induction Motor Torque Estimation Accuracy Using Motor Terminal Variables

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Lindh Pia, Pyrhönen Juha

Induction Motor Stator Current Spectral Content under Sinusoidal and PWM Excitation

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

Analyses of Modular Windings of a Traction Motor in a Hybrid Bus

Publication type

A4 Conference proceedings

Lindh Pia, Kärkkäinen Hannu, Pyrhönen Juha, Immonen Paula, Aarniovuori Lassi

Converter-fed induction motor losses in different operating points

Publication type

A4 Conference proceedings

Kärkkäinen Hannu, Aarniovuori Lassi, Niemelä Markku, Pyrhönen Juha

PWM Power Distribution and Switching Frequency Analysis in Motor Drives

Publication type

A4 Conference proceedings

Aarniovuori Lassi, Kärkkäinen Hannu, Niemelä Markku, Pyrhönen Juha

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