Kai Yang has extensive experience in electrical power engineering, mechanical engineering, and mathematical modeling. He holds a PhD in Electric Power Engineering from Luleå University of Technology, Sweden, with a focus on wind power and power quality. He has worked on several research projects modeling harmonic distortion from wind power installations and evaluating their impact on power grids. Kai Yang has published extensively in the field and has experience teaching at the university level. He is seeking a position that utilizes his technical skills in electrical or mechanical engineering.
1. KAI YANG
Hanstav¨agen 49, SE-164 53 Kista Stockholm
Mob: (+46) 73-615 89 80
Email: kai.yang82@outlook.com
https://se.linkedin.com/in/kai-yang82
PERSONAL PROFILE
A motivated, adaptable and responsible postgraduate seeking a position within electrical or me-
chanical fields which will utilise the professional and technical skills developed through past cross-
discipline experience. I have a methodical approach to work and a strong drive to see things through
to completion.
KEY COMPETENCIES
Electric power engineering
• Electric power system modelling, harmonic/power flow calculation and simulation; measure-
ment technology and data analysis (signal processing, stochastic analysis, etc.); renewable-
power technology and power conversion; hosting capacity of distributed generation; etc.
Mechanical engineering
• Computational engineering (numerical methods and programming); experimental mechanics,
acoustics and vibration measuring; signal processing; finite-element method; structural me-
chanics; fluid dynamics modelling and calculation; material mechanics; CAD; etc.
Mathematical modelling and simulation
• Mathematical modelling (Lie algebra); statistics modelling and analysis; numerical methods;
optimizations; fuzzy logics; etc.
EXPERIENCE
Projects
• Research project “Hosting capacity of electricity grid for integration of renewable energy”:
systematic evaluation on the capacity of renewable-power integration into power grid in terms
of interharmonic distortion, based on multiple and varying emission sources which penetrate
throughout power grids, Lule˚a University of Technology, March 2015 - Sept. 2015.
• Research project “Harmonic distortion and windpower installations part 2”: modelling of inter-
harmonic origin in windpower conversion system and verification by long-term measurements
with standard power quality analysers in several wind parks in northern Sweden; systematic
evaluation and simulation of harmonic distortion in wind power plants, sponsored by Elforsk
AB Sweden, July 2012 - March 2015.
• Research project “Harmonic distortion and windpower installations part 1, Vindforsk-III”:
analysis and characterisation of harmonic distortion in wind turbines and parks, by methods
incl. statistics applied on long-term measurements; study of harmonic distortion in power
productions; time- and frequency-dependent distortion, sponsored by Elforsk AB, Sweden,
March 2010 - June 2012.
• Industrial project “Spread of harmonic emission from a windpark”: study of harmonic prop-
agation and amplification through windpower collection grid, sponsored by Alstom UK, June
2010 - Jan. 2011.
• Thesis project: study of slow-dynamic characteristics of TetraPak materials through experi-
ments, swept-sound excitation on tensioned materials, laser detection of vibrations, LabView
data-acquisition and process, Blekinge Institute of Technology, 2009.
Workshop and Working Group
• International workshop on harmonics and contribute to several joint papers in different con-
ferences, Stockholm Sweden, Jan. 2014.
2. Kai Yang Page 2
• Guest expert at working group meeting TC 88 of standard IEC 61400: time- and frequency-
dependent characteristics of windpower harmonics and interharmonics and measurement tech-
nology, Madrid Spain, Sept. 2014.
Research Lectures
• Technical lecture on wind power harmonics and the propagation for a research group of Vat-
tenfall AB, Lule˚a Sweden, March 2014.
• Lecture on wind power harmonics to master students at University of Cordoba, Cordoba Spain,
April 2014.
Teaching
• Assistant teaching for PQube project in the course “Electrical Balance of Plant Technology,
EMC and Power Quality”, Lule˚a University of Technology, study periods: Spring 2013, Spring
2014 and Spring 2015.
• Assistant teaching in the course “Large- and small-scale electricity generation, transmission
and distribution”, Lule˚a University of Technology, study periods: Autumn 2013 and Autumn
2014.
EDUCATION
2010 - 2015, Ph.D. in Electric Power Engineering with emphasis on Wind Power and Power
Quality, Lule˚a University of Technology, Skellefte˚a Sweden.
• Doctoral Thesis, On Harmonic Emission, Propagation and Aggregation in Wind Power Plants,
doi:10.13140/RG.2.1.2178.7048, Lule˚a University of Technology, Lule˚a Sweden, April 2015.
• Licentiate Thesis, Wind-Turbine Harmonic Emissions and Propagation through A Wind Farm,
doi:10.13140/RG.2.1.3227.2803, Lule˚a University of Technology, Lule˚a Sweden, June 2012.
2007 - 2009, M.Sc. in Mechanical Engineering with emphasis on Structural Engineering,
Blekinge Institute of Technology, Karlskrona Sweden.
• M.Sc. Thesis, Acoustic Measurements of the Slow Dynamics of Thin Sheets, Blekinge Institute
of Technology, Karlskrona Sweden, Oct. 2009.
2007 - 2009, M.Sc. in Mathematical Modeling and Simulation, Blekinge Institute of Tech-
nology, Karlskrona Sweden.
2006 - 2009, M.Eng. in Mechanical Design and Theory, Kunming University of Science and
Technology, Kunming China.
• M.Eng. Thesis, Measurements of the Dynamic Characteristics of Thin Sheets based on Acoustic
Excitation, Kunming University of Science and Technology, Kunming China, May 2009.
2002 - 2006, B.Eng. in Mechanical Design Manufacture & Automation, Wuhan University
of Technology, Wuhan China.
• B.Eng. Thesis, 30.5T/35.5M (40.5 T/35.5 M) Overall Design Container Handling Bridge &
Entablature Structure, Wuhan University of Technology, Wuhan China, June 2006.
PUBLICATIONS SUMMARY
Include one translated text book, two technical reports and 32 research papers, 4 of which are
published in the core-journals IEEE Transactions on Power Delivery and the Journal of Electric
Power Systems Research.
SKILLS
Software: Matlab, DigSILENT PowerFactory, NI LabView, SolidWork, Abaqus, Ansys,
etc.
Editing: LATEX, Microsoft office
Language: Chinese (mother tongue), English (fluent), Swedish (basic communication and
on-going improving)