Decision Trees for the global optimum of the AC OPF and inferring guaranteed costs with renewable energy

The IEEE Greece Young Professionals  in collaboration with IEEE Greece PES Chapter, IEEE NTUA SB, PES Chapter of IEEE NTUA SB and Smart grids research unit of ECE (SmartRUE) invite you to a lecture titled ‘’Decision Trees for the global optimum of the AC OPF and inferring guaranteed costs with renewable energy” by Dr. Panayiotis Moutis (Assisant Prof., CCNY of CUNY) on 10th of January 2024 at 3pm at the multimedia amphitheater of NTUA Library & Information Centre. More information can be found in the abstract and the bio!

Abstract

The AC Optimal Power Flow (OPF) seeks to minimize the cost of using certain resources or the levels of some performance metrics in electrical grid operation. Due to the non-linear grid physics, it is a non-convex problem that cannot be solved efficiently in most of its practical instances. Relaxations cannot guarantee an AC OPF globally optimum solution for all grids or cases, while they also require lifting the problem to higher dimensions, requiring increased processing times. Among the non-linear, artificial intelligence and machine learning solvers, invariable challenges arise ranging from failure to converge to the global optimum to difficulties in modeling the problem in each solver. This talk proposes an AC OPF feasible space search. The space is sampled with random dispatches using power flows. The AC OPF infeasible samples are marked as False. The feasible AC OPF samples with cost greater than the median of all feasible samples are also marked False; the remaining are marked True. A heuristically inducted binary decision tree is trained with these samples and will tighten the constraints of the AC OPF variables towards the space of the feasible samples of cost less than the mentioned median. The recursive sampling and constraint tightening leads to convergence to the global optimum of the AC OPF instance based on Bayesian guarantees. Several benchmark instances from the PGLib and NESTA libraries are solved favorably with the proposed method compared to IPOPT and other relaxations and solvers. The time requirements arising from sampling the AC OPF space are discussed in terms of “hot starting” the method with statistically advantageous linear approximations. Lastly, because renewables are, most typically, zero cost assets and the method converges to the global optimum by the successive improvement of the median cost of AC OPF feasible samples, it is shown that the method can yield optimal dispatches for any level of renewable energy available.

Bio

Panayiotis (Panos) Moutis, PhD, is Assistant Professor at the Dept. of Electrical Engineering at the City College (CCNY) of the University of New York (CUNY). He has previously been special faculty (2018-23) and postdoctoral research associate (2016-18) at Carnegie Mellon University. Panos studies pragmatic-data-driven optimization, control and planning of electrical grids with high shares of renewables. He has recently been working with the grid operator of Portugal, REN, the moonshot factory of Google, X, and the grid operator of NY, NYISO. In 2018-20 he served as a Marie Curie Research Fellow with DEPsys, Switzerland, on distribution grid awareness. In 2014 he was awarded a fellowship by Arup, UK (through the University of Greenwich), to study microgrids for residential communities. During 2007-15, as part of Prof. Nikos Hatziargyriou’s research group he contributed to over a dozen R&D projects funded by the European Commission. Panos received both his diploma (2007) and his PhD (2015) degrees in Electrical and Computer Engineering at the National Technical University of Athens, Greece, and has published more than 30 papers and contributed to 4 book chapters. He has over 10 years of industry experience on Renewable Energy and Energy Efficiency, and serves as advisor and executive in energy start-ups. He is Chair of the IEEE-USA Energy Policy Committee, senior editor of IEEE & IET scientific journals, member of IEEE standard working groups, a senior member of the IEEE, and leads the Distribution Task Team at the North American Synchro-Phasor Initiative and the Power & Energy Community at the Climate Change AI initiative. Personal Website for more information: https://panay1ot1s.com/

 

 

IEEE Greece Mentoring Program: Call for Mentees (3rd round) New Deadline!!!

The IEEE Young Professionals Greece and the IEEE Greece Section are pleased to announce the 3rd round of our Mentoring Program, in order to support young engineers at their first professional steps. The Mentors will share their experience and provide guidance in achieving specific professional goals, improving skills and enhancing career development.

If you are a student (undergraduate or post-graduate) or a young professional and need guidance from a Mentor, you are invited to fill in the below form. Note that only IEEE members are eligible to participate as Mentees to the program.

IEEE Greece Mentoring Program – Call for Mentees

Please submit your interest until the 15th of March 2023.

If you need more information on our IEEE Greece Mentoring Program please see the following presentation:

Presentation Mentoring Event

Coffee Talk with Dr Angelina Syrri

The IEEE Greece Section Women in Engineering Affinity Group and the IEEE Greece Section Young Professionals Affinity Group organized an online coffee talk with title “Operation and planning of smart distribution networks – challenges and current trends” with Dr Angelina Syrri on Wednesday 25 January at 18:30 via Microsoft Teams.

Subject: 

Operation and planning of smart distribution networks – challenges and current trends

The decarbonization of the energy sector and the increase of share of renewable sources to the energy production are considered as the main steps towards the directions of achieving climate neutrality by 2050 and greenhouse gas emission reduction targets. Also, the current energy and geopolitical crisis, urge for regulations that support the transformation of Europe’s energy system.

But how is the current energy system changing? Increased automation, which facilitates active network management, increased number of distributed energy resources installed into the grid, various emerging trends, such as demand response, microgrids, energy communities, flexible resources such as heat pumps or electric vehicles, all these shape current distribution networks and affect the operation and planning philosophy.  Flexibility can be leveraged by aggregators to offer balancing and congestion management services to the power system. Then, existing infrastructure could be fully unlocked for normal operating conditions, avoiding or delaying reinforcement of the grid and at the same time allowing distribution system operators to offer uninterrupted power delivery to end consumers at all times.

IEEE YP Greece organized with great success the 1st IEEE Greece Mentoring Program event

IEEE Young Professionals Greece organized with great success the 1st IEEE Greece Mentoring Program event for students and graduates, in cooperation with the IEEE WIE Greece, IEEE Greece Computer Chapter, IEEE Greece Section, IEEE Life members Greece and the IEEE student branches of NTUA (IEEE NTUA Student Branch) and UNIWA on 7th of December 2022! Insightful presentations highlighting the importance of mentorship from three Mentors: Marianna TerzidakiKostas Karpouzis and Ioannis Ipliktsiadis. These presentations were followed by a very interesting and fruitful discussion where tips about advancing your career, enhancing your skills and evolving in your workplace were provided. We would like to thank the speakers, the co-organisers and all the attendees for contributing to the success of this event!

We would also like to take this opportunity to announce the 3rd round of the IEEE Greece Mentoring Program, in order to support young engineers at their first professional steps. The Mentors will share their experience and provide guidance in achieving specific professional goals, improving skills and enhancing career development. If you are a student (undergraduate or post-graduate) or a young professional and need guidance from a Mentor, you are invited to submit your interest until the 31nd of January 2023. More information about the program and registration can be found in https://lnkd.in/g8–RiF

IEEE Greece Mentoring Program: Call for Mentees (3rd round)

The IEEE Young Professionals Greece and the IEEE Greece Section are pleased to announce the 3rd round of our Mentoring Program, in order to support young engineers at their first professional steps. The Mentors will share their experience and provide guidance in achieving specific professional goals, improving skills and enhancing career development.

If you are a student (undergraduate or post-graduate) or a young professional and need guidance from a Mentor, you are invited to fill in the below form. Note that only IEEE members are eligible to participate as Mentees to the program.

IEEE Greece Mentoring Program – Call for Mentees

Please submit your interest until the 31nd of January 2023.

If you need more information on our IEEE Greece Mentoring Program please see the following presentation:

Presentation Mentoring Event

Smart Internet of Things for Energy Systems 2022

Αγαπητά μέλη του IEEE,

Το IEEE IHU Student Branch (Serres) σε συνεργασία με το IEEE IHU Student Branch (Thessaloniki), το IEEE AUTh Student Branch, IEEE UTh Student Branch (Volos), IEEE UTh Student Branch (Lamia), IEEE NTUA Student Branch, IEEE TUC Student Branch, IEEE Young Professionals Greece Section Affinity Group και το IEEE Communications Society Greece Section Chapter, σας προσκαλεί στην εκδήλωση “Smart Internet of Things for Energy Systems 2022” στα πλαίσια του προγράμματος IEEE Region 8 Entrepreneurship Week 2022.

Η εκδήλωση θα γίνει virtual, μέσω Webex, το Σάββατο 10 και την Κυριακή 11 Δεκεμβρίου 2022.

Την 1η μέρα της εκδήλωσης θα γίνουν ομιλίες σχετικά τις Τηλεπικοινωνίες, το Διαδίκτυο των Πραγμάτων και τα Συστήματα Ενέργειας. Την 2η μέρα θα γίνει διαγωνισμός καινοτομίας και επιχειρηματικότητας, στον οποίο μπορούν να συμμετέχουν φοιτητικές και μη ομάδες.

Προϋποθέσεις του Διαγωνισμού:

  • Τα μέλη να έχουν συμπληρώσει το 18ο έτος της ηλικίας τους,

  • Τα μέλη να είναι μόνιμοι κάτοικοι Ελλάδας και κατοικούν σε οποιοδήποτε σημείο της επικράτειάς της.

  • Τα μέλη να μιλούν άπταιστα αγγλικά, καθώς η χρήση του στον διαγωνισμό είναι απαραίτητο εργαλείο.

  • Τα μέλη να μην εργάζονται σε μεγάλες εταιρείες λογισμικού ή/και μηχανικών (που σχετίζονται με την Πληροφορική, Ηλεκτρολογία κ.λ.π.) και δεν έχουν μέλη της οικογένειας που εργάζονται εκεί, για να αποφευχθεί κάθε είδους εξωτερική βοήθεια.

  • Τα μέλη να σπουδάζουν σε οποιοδήποτε ΑΕΙ, ή είναι απόφοιτοι ΑΕΙ ή απόφοιτοι Λυκείου.

  • Τα μέλη να έχουν ενεργή συνδρομή στο IEEE. Απαιτείται να υπάρχει τουλάχιστον ένα μέλος σε κάθε ομάδα.

Μπορείτε να μάθετε περισσότερα για την εκδήλωση στο επίσημο site:
https://siot4es.ieeeihuserres.org/

Μπορείτε να εγγραφείτε στην εκδήλωση μεσω των παρακάτω φορμών:

1st IEEE Greece Mentoring Program physical event

IEEE Young Professionals Greece are excited to organize the 1st IEEE Greece Mentoring Program physical event for students and graduates, in cooperation with the IEEE WIE Greece, IEEE Greece Computer Chapter, IEEE Greece Section, IEEE Life members Greece, IEEE NTUA Student Branch and the IEEE student branch of UNIWA. We look forward to meeting you in person on 7 December 2022 15:00 – 17:00 at the multimedia amphitheatre of NTUA Library & Information Centre. We have planned exciting talks and coaching sessions to help you advance your career, enhance your social skills, inspire you for your next steps, or even… encourage you to get involved.

Below you can find the program of the event:

  • ”IEEE Greece Mentoring Program Introduction”
  • “Mentoring – an inspiring and empowering relationship” Marianna Terzidaki, MSc (Eng), Career Coach, ICF approved.
  • “Experience mentoring to the fullest.” Ioannis Ipliktsiadis, MSc Electrical Engineer, Technical University of Denmark.
  • “Should I stay or should I go? The paths after graduation?” Kostas Karpouzis, Assistant Professor at the Department of Communication, Media and Culture, Panteion University.

If you are interested in participating kindly fill the application form and submit it by Tuesday 6th of December 2022 : https://lnkd.in/d3rDjNgi

Smart Grids, Microgrids and Real-time simulation applications

The IEEE Systems, Man, and Cybernetics Society Student Chapter of the Malaviya National Institute of Technology, India and the IEEE Young Professionals Greece organize a webinar entitled “Smart Grids,
Microgrids and Real-time simulation applications”. The webinar will be delivered by Panos Kotsampopoulos (National Technical University of Athens) and will take place on 25th of May, 2022 at 10:00 CET/13:30 IST.

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Wei4H nomination for Best Event of IEEE R8 Entrepreneurship Week 2021

Innovation for Health was held for the first time in Greece, within the IEEE Entrepreneurship Week 2021, with the support of IEEE Greece Section, IEEE Greece Young Professionals, IEEE EMB Greece Chapter, and IEEE WIE Affinity Group Greece and by two ambassadors, Chrysoula Tsimperi and Christos Roumeliotis.

This event was an amazing effort by students and young people from different academic areas and students from different IEEE Greece Student Branches (IEEE AUTH Student Branch, IEEE Student Branch University of Western Macedonia, IEEE SB UTH Lamia, IEEE Student Branch – International Hellenic University (Serres)).

As the digitalization of healthcare continues to expand throughout the industry, innovative medical technologies are set to deliver substantial new value opportunities to related organizations that successfully implement them. In a world where disruptive and exciting digital technologies are revolutionizing patient care, being innovative is not just desirable but necessary.

Wei4H was an opportunity to talk at a time when so much is at stake – from improved efficiency, better patient outcomes, and boosted reputations to attract talented staff and remain competitive – how can healthcare organizations be innovative in the present day? And what are the innovations that deserve your attention?

Proceedings included keynote speeches from renowned leaders of the field and panel discussions by the leaders of entrepreneurship ecosystems around the globe.

We also organized a competition involving start-up companies with global visions. In this pitching competition, students were asked to provide different solutions to a topic related to biomedical engineering. Participants were formed into teams and assigned a clinical need, then worked with faculty, advisors, and mentors to design a solution and build a business plan around their solution. Teams received didactic instruction, mentoring, and one-on-one advising throughout the program.

 

Wei4H community is extremely proud of organizing this event and for our nomination for the best event in the context of IEEE Entrepreneurship Week 2021 in Region 8.

Wei4H community would like to thank all the members of the organizing committee and each one individually, our main co-organizers (IEEE Greece Section, IEEE Greece Young Professionals, IEEE EMB Greece Chapter, IEEE WIE Affinity Group Greece ), our sponsors (EGG – enter.grow.go, “Athena”​ Research and Innovation Center, KOBOMEDICAL) and all those who supported this initiative.

We congratulate the winners of the competition:

1st prize: “VetFarm”, an- e-platform connecting farmers, vets, and consumers to maintain the health and well-being of livestock units, through measurements of environmental conditions and monitoring of animals to ensure high-quality products.

VetFarm” team consists of Vasiliki Giannetou, Evagelia Anifanti, Kyriakos Gialourakis, Ioannis Mpatsinilas and their mentor, Stamatiki Krita.

2nd prize:’HeartGuardian‘’, – a hybrid product to prevent deaths from heart attack and signaling for medical assistance as soon as possible, even before the heart stops functioning, utilizing IoT and blockchain technology.

HeartGurdian” team consists of Panagiotis Boutos, Marigianna Kaminari, Ioannis Nikopoulos, Konstantinos Michail, and their mentors, Adamantia Stamou and Yannis Imelos.

3rd prize: “FeelMe”, – a system that can enhance the everyday lives of high-functioning children with Autism Spectrum Disorder (ASD), as well as the lives of their parents and specialist helpers and therapists, while also helping significantly advance our scientific understanding of ASD.

FeelMe” team consists of Syrmatenia Lampaki, Dimitra Pantelaki, Panagiota Chita, Christina Koutsi, Christos Skapetis, and their mentors, Evi Tsaliki and Nikolaos Mavridis.

The first two teams received a cash prize from our event while all the winners of the local competition were qualified for the IEEE Region 8 competition where the teams will search for funds and successful purchases.

Finally, the Wei4H community congratulates all the participants that faced this challenge and wishes everyone a good career!

You can watch all the sessions -on our YouTube channel: https://bit.ly/youtube_ieeewei4

IEEE Greece Mentoring Program: Call for Mentees (2nd round)

The IEEE Young Professionals Greece and the IEEE Greece Section have launched in April 2021 a Mentoring Activity in order to support young engineers at their first professional steps. The Mentors share their experience and provide guidance in achieving specific academic and professional goals, improving skills and enhancing career development. Now, after the success of the 1st round, we run the 2nd round of the Mentoring Program.

If you are a student or young professional and need guidance from a Mentor (choosing from two trucks, academy and industry), you are invited to fill in the below form. Note that only IEEE members are eligible to participate as Mentees to the program.

https://forms.gle/2pWjB4BcysFyeNEJ9

The list of Mentors can be found at the website of IEEE Young Professionals Greece:

https://site.ieee.org/greece-yp/mentoring-program/

Please submit your interest until the 31st of January 2022. A new call will open after 6 months.