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Professor Lars Nordström of KTH – Royal Institute of Technology Lectured at LAPS
Written by:    Date by: 2019-10-11 ;Viewer:

On the morning of September 27, 2019, Professor Lars Nordström, vice president of electrical engineering and computer science, director of the Department of electrical and energy systems of KTH, delivered a lecture on “challenges and opportunities of the Nordic power system” at the conference room 322 of main building A.


Professor Lars Nordström first introduced to the students the basic situation of KTH and European electric power system. European power grid is not only the largest regional interconnected power grid in the world, but also the largest total installed power grid in the world. It is rare in the world to realize multinational interconnected power grid. It is also a model of promoting energy transformation characterized by high proportion of renewable energy in the world. With the increase of the proportion of new energy access, the role of ancillary services such as reserves will become more important. For example, the installed capacity of Danish power grid has exceeded its maximum load. In the case of insufficient wind power output in Denmark, the safe and stable operation of the power grid will be difficult to guarantee without the support of power supply from neighbouring countries. Professor Lars Nordström started with some basic features of Nordic power systems and highlighted some challenges brought about by the introduction of renewable energy sources and the intensification of market coupling. Since the generation of wind and photovoltaic power varies with seasons and times, in order to ensure adequate generation and transmission capacity and maintain power quality to meet user needs, this will bring about cross-border interconnection of power grids and power markets. Reform is full of opportunities.

In response to these challenges, Professor Lars Nordström introduced the related projects being carried out by his research team, especially the latest work of islanding detection in power system based on Bayesian inference of voltage phase angle difference is reported in detail.


This lecture is hosted by Dr. Hu Junjie. Before the beginning of the lecture, Dr. Hu introduced the lecture to the guests. After the lecture, Professor Lars Nordström, teachers and students discussed the relevant academic issues in detail and exchanged views.


Kungliga Tekniska högskolan (KTH), located in Sweden’s capital, was founded in 1827 as Sweden’s largest Polytechnic. In the latest QS ranking, KTH ranked ninety-eighth. As a polytechnic institution, KTH ranks 36th in the world and 6th in the continental Europe. KTH has a wide range of cooperation with Chinese universities. It is the largest Swedish institution with the highest number and quality of articles published jointly with universities and institutes in China. Professor Lars Nordström is the former director of EKC2, Swedish Center of Excellence in Electric Power Engineering, and is the subject leader of EIT InnoEnergy from 2011 to 2013. In 2014, he was a visiting professor. His current research and teaching involves computational methods applied to power systems, including island detection, control room decision support, and load and power generation forecasting. Professor Lars Nordström serves as chairman of the board of directors of Boo Energi and members of Expektra, a start-up company that provides AI-based software for power market participants. Professor Nordström is a senior member of IEEE and a member of the CIRED National Committee. He was the national chairman of Cigré Technical Committee D2.