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WIP Session in ISGT EU 2021 –“Impact of Climate Change to Power Security and our actions”

On October 20, the ISGT EU 2021 – WIP Session is held by video mode. The theme of this session is the impact of climate change on power security and our actions. Experts and scholars in the field of energy and power from many countries gathered here to discuss and exchange on hot issues in-depth, such as power security, energy production and supply, and how to effectively respond to the challenge of climate change. The conference aims to help more women in the field of energy and power to give full play of their potential and continuously promote the progress of the industry.

Dr. Ruomei Li, chairman of IEEE PES WIP (women in power), Dr. Damir Novosel, president of Quanta Technology, elected chairman of IEEE Power and Energy Instiitute, former chairman of PES Technical Committee, and Dr. Julio Romero Agüero, vice president and executive consultant of strategy and business innovation, addressed the conference. Six female experts in the field of energy and power, including Haarla Liisa from Finland, Lina Bertling Tjernberg from Sweden, Mercy Chelangat from Africa, Xiaohui Yang from China, Gerd Kjølle and Rannveig Loken from Norway, gave keynote reports. Professor Li Gen of Cardiff University presides the session.

Dr. Ruomei Li first expressed her gratitude to the Finnish team, the host of ISGT EU 2021. She pointed that in the past two years, natural disasters caused by climate change, such as storms, floods and earthquakes have occurred all over the world, posing challenges to power security. As engineers of energy and power, our responsibility is to provide safe, reliable and sufficient power for users. I believe that the experience sharing of experts in this session will bring us more help and inspiration.

Ruomei Li

Dr. Damir Novosel pointed that, at present, we need a new and inclusive perspective to solve the industry challenges, and women play an important role in promoting the development of clean energy. Since 2012, PES WIP has made many achievements, and there is still a long way to go in the future. We should constantly pass on good experience to the younger, encourage them to play a role and inspire their power to change the world.

Damir Novosel

Dr. Julio Romero Agüero pointed that, the energy and power industry is undergoing unprecedented changes, the energy transformation, electrification and artificial intelligence will all play vital role in the development process. The younger female engineers have great potential in promoting the industry development. Encouraging them to participate in PES WIP activities is one of our main goals, which also has great significance.

Julio Romero Agüero
Gen Li

At the theme report stage, the six female experts separately introduced the power security problems they encountered and the corresponding measures, from the actual situation of their country.
Dr. Liisa Haarla, the chief expert of Finland power grid, described four simulation scenarios of hydro power, wind power, solar power and energy storage management by Finland power grid, with the background of the Finland’s goal of carbon neutral by 2035 and the local climate change situation. She pointed that, it is very important to understand system dynamics and its change mode, to maintain power system security.

Liisa Haarla

Lina Bertling Tjernberg, professor of KTH power grid technology, introduced the technical solution to realize the sustainable power grid, and looked forward to its development prospect from the power system reliability, security and adaptability. She mentioned that KTH has mastered some exciting new technologies and is working to improve energy efficiency, to realize circular economy.

Lina Bertling Tjernberg

Professor Gerd Kjølle, the chief scientist and head of smart distribution research center, introduced how to ensure the power supply security in the case of climate change and transition to future smart grid. She stressed that coping climate change, realizing energy transformation and ensuring power security, are important tasks at present. To handle the security supply challenges, it is important to investigate the resilience of power system.

Gerd Kjølle

Xiaohui Yang, senior engineer of State Grid Henan Electric Power Research Institute of China, introduced the impact of abnormal rainfall on Henan power grid on July 21, the found problems in power facilities, and the corresponding measures taken by the power grid company. She pointed that, for medium and low-voltage county regional distribution networks, it is necessary to improve the ability to resist the risk of climate change, and its operation mode should become more flexible with the access of distributed power generation. It is very necessary to take multiple measures to improve the county power grid operation and maintenance level.

Xiaohui Yang

Mercy Chelangat, an enthusiastic volunteer of IEEE PES Kenya branch, pointed that, at present, the whole world is encouraging energy transformation, and many renewable energy technologies in Kenya are also making progress, which will reduce pollution and damage to the ecosystem. She advocated everyone to join the publicity of climate protection and promote the sustainable development of ecological environment.

Mercy Chelangat

Rannveig LOKEN, the chair of CIGRE SC B5, introduced some information about SC B5 working group. She pointed that, with the access of renewable energy such as solar and wind to the power grid, some innovative research is needed. We should put forward some effective suggestions and solutions to ensure the stability of power system, and share these experiences and achievements, so as to jointly promote new technological progress in the power protection and control field.

Rannveig LOKEN

In the Q & A stage, participants made further exchanges on topics they interested in.

Q: What is the impact of hydrogen technology on power grid and energy security?

Gerd Kjølle: Hydrogen is one of the strategic choices for green energy transformation. It can become a flexible and storable resource. We should make full use of its flexibility to realize flexible production, transportation and storage.

Q: What does it mean for grid dispatchers to turn the reliability of power system into adaptability oriented?

Gerd Kjølle:Early warning of power system is a comprehensive system of prevention, correction and recovery, so the dispatcher must investigate what happened or will happen from early warning to later, and also need to know the supply and recovered situation, which is a series of comprehensive measures.

Q:Will climate change pose potential risks to power equipment?

Liisa Haarla:We need to answer it through power system simulation, but the problem is that if we use the traditional generation models, we can not accurately reflect the system characteristics. Another problem is that, when simulating the future system, it is impossible to put all power generation models in one system. We don’t even know what kind of wind generation there will be in the future, so there is uncertainty.

Q: When extreme weather disasters occur in Henan, China, how does the local power company ensure the power supply of important users such as hospitals and traffic lights?

Xiaohui YANG: Power companies usually provided two power supply lines for important users such as hospitals, railway stations and public service places in the design of distribution network system, which solves this problem to a certain extent. At the same time, these important users usually equipped with emergency diesel generators. In the future, with more and more renewable energy power generation connected to the power grid, the upgrading and transformation of medium and low voltage distribution network is imperative. We also propose that some important users can invest in energy storage to deal with emergencies.

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