Publications

Journal Publications

  1. A. Kotsonias, L. Tziovani, L. Hadjidemetriou, M. Asprou, C. Panayiotou, “Mitigation of Harmonic Distortions in Low Voltage Distribution Grids with Fair Utilization of Resources” IEEE Trans. Smart Grid, pp. 1-10, (submitted March 2024).
  2. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Optimizing the Bidding Strategy and Assessing Profitability of Over-Install Renewable Plants Equipped with Battery Energy Storage Systems,” Renewable Energy, pp. 1-10, 2024 (accepted).
  3. F. Mehmood, L. Hadjidemetriou, P. Papadopoulos, M. Polycarpou, “Synergistic Frameworks for Sensor Fault Isolation and Accommodation in Grid-Side Converters,” Journal of Automation and Intelligence, pp. 1-16, 2024 (accepted).
  4. A. Charalambous, L. Hadjidemetriou, M. Polycarpou, “Junction temperature control for lifetime extension of multi-functional photovoltaic inverters,” IEEE Trans. Industry Applications, vol. 60, no. 3, pp. 4125-4137, June 2024.
  5. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Successive convexification algorithms for optimizing power systems with energy storage models,” IEEE Trans. Smart Grid, vol. 15, no. 2, pp. 1807-1820, 2024.
  6. M. Elrway, L. Hadjidemetriou, C. Laoudias, M. Michael, “Detecting and Classifying Man-in-the-middle Attacks in the Private Area Network of Smart Grids”, Sustainable Energy, Grids and Networks, vol. 36, 101167, Dec. 2023.
  7. L. Hadjidemetriou, N. Stylianides, D. Englezos, P. Papadopoulos, D. Eliades, S. Timotheou, M. Polycarpou, C. Panayiotou, “A Digital-Twin Architecture for Real-Time and Offline High-Granularity Analysis in Smart Buildings” Sustainable Cities and Society, pp. 1-55, Nov. 2023.
  8. F. Mehmood, P. Papadopoulos, L. Hadjidemetriou, A. Charalambous, M. Polycarpou, “Model-based fault diagnosis scheme for current and voltage sensors in grid side converters,” IEEE Trans. Power Electronics, vol. 38, no. 4, pp. 5360-5375, April 2023.
  9. A. Charalambous, L. Hadjidemetriou, M. Polycarpou, “A sensorless asymmetric and harmonic load compensation method by photovoltaic inverters based on event-triggered impedance estimation,” IEEE Tran. Industrial Electronics, vol. 70, no. 10, pp. 10089-10100, Oct. 2023.
  10. L. Tziovani, L. Hadjidemetriou, P. Kolios, A. Astolfi, E. Kyriakides, S. Timotheou, “Energy management and control of photovoltaic and storage systems in active distribution grids,” IEEE Tran. Power Systems, vol. 37, no. 3, pp. 1956-1968, May 2022.
  11. D. Porcu, S. Castro, B. Otura, P. Encinar, I. Chochliouros, I. Ciornei, L.  Hadjidemetriou, G. Ellinas, R. Santiago, E. Grigoriou, A. Antonopoulos, N. Cadenelli, N. Pietro, A. Betzler, I. Prieto, F. Battista, D. Brodimas, R. Rumenova, A. Bachoumis, “Demonstration of 5G solutions for smart energy grids of the future: a perspective of the Smart5Grid project,” Energies, 15, no. 3, 839, pp. 1-27, 2022.
  12. L. Tziovani, L. Hadjidemetriou, C. Charalampous, M. Tziakouri, S. Timotheou, E. Kyriakides, “Energy management and control of a flywheel storage system for peak shaving applications,” IEEE Tran. Smart Grid, vol. 12, no. 5, pp. 4195-4207, Sep. 2021.
  13. A. Charalambous, L. Hadjidemetriou, E. Kyriakides, M. Polycarpou, “A coordinated voltage-frequency support scheme for storage systems connected to distribution grids,” IEEE Trans. Power Electronics, vol. 36, no. 7, pp. 8464-8475, July. 2021.
  14. A. Kotsonias, M. Asprou, L. Hadjidemetriou, E. Kyriakides, “State estimation for distribution grids with a single point grounded neutral conductor,” IEEE Trans. Instrumentation and Measurement, vol. 69, no. 10, pp. 8167-8177, Oct. 2020.
  15. A. Bintoudi, L. Zyglakis, A. Tsolakis, D. Ioannidis, L. Hadjidemetriou, L. Zacharia, N. Al-Mutlaq, M. Al-Hashem, S. Al-Agtash, E. Kyriakides, C. Demoulias, D. Tzovaras, “A hybrid multi-agent-based adaptive control scheme for AC microgrids with increased fault-tolerance needs”, IET Renewable Power Generation, vol. 14, no. 1, pp. 13-26, Jan. 2020.
  16. Z. Ali, N. Christofides, L. Hadjidemetriou, E. Kyriakides, “Diversifying the role of distributed generation grid side converters for improving the power quality of distribution networks using advanced control techniques”, IEEE Trans. Industry Applications, vol. 55, no. 4, pp. 4110-4123, Aug. 2019.
  17. A. Charalambous, L. Hadjidemetriou, L. Zacharia, A. Bintoudi, A. Tsolakis, D. Tzovaras, E. Kyriakides, “Phase balancing and reactive power support services for microgrids”, Applied Sciences, 9(23), 5067, pp. 1-17, 2019. (invited)
  18. L. Zacharia, L. Hadjidemetriou, and E. Kyriakides, “Integration of renewables into the wide area control scheme for damping power oscillations,” IEEE Trans. Power Systems, vol. 33, no. 5, pp. 5778-5786, Sep. 2018.
  19. Z. Ali, N. Christofides, L. Hadjidemetriou, E. Kyriakides, Y. Yang, F. Blaabjerg, “Three-phase phase-locked loop synchronization algorithms for grid-connected renewable energy systems: A review”, Renewable and Sustainable Energy Reviews, Volume 90, July 2018, Pages 434-452.
  20. Z. Ali, N. Christofides, L. Hadjidemetriou, E. Kyriakides, “A multi-functional distributed generation control scheme for improving the grid power quality,” IET Power Electronics, pp. 1-14, vol. 12, no. 1, pp. 30-43, 2019.
  21. Z. Ali, N. Christofides, L. Hadjidemetriou, and E. Kyriakides, “Design of an Advanced PLL for Accurate Phase Angle Extraction Under Grid Voltage Harmonics/Interharmonics and DC Offset,” IET Power Electronics, vol. 11, no. 6, pp. 995-1008, May 2018.
  22. M. Sanduleac, J. F. Martins, I. Ciornei, M. Albu, L. Toma, V. Pires, L. Hadjidemetriou, and S. Rooktabir, “Resilient and immune by design microgrids using solid state transformers,” Energies 2018, 11(12), 337, pp. 1-19, Dec. 2018.
  23. Z. Ali, N. Christofides, L. Hadjidemetriou, E. Kyriakides, “A new MAF based αβEPMAFPLL for grid connected RES with improved performance under grid faults”, Electric Power Systems Research, vol. 154, 2018, pp. 130-139.
  24. L. Hadjidemetriou, Y. Yang, E. Kyriakides and F. Blaabjerg, “A synchronization scheme for single-phase grid-tied inverters under harmonic distortion and grid disturbances,” IEEE Trans. Power Electronics, vol. 32, no. 4, pp. 2784-2793, April 2017.
  25. P. Papadopoulos, L. Hadjidemetriou, E. Kyriakides, M. Polycarpou, “Robust current sensor fault detection, isolation and accommodation on grid side converter,” IEEE Trans. Industry Applications, vol. 53, no. 3, pp. 2852-2861, June 2017.
  26. L. Hadjidemetriou, E. Kyriakides, Y. Yang and F. Blaabjerg, “A synchronization method for single-phase grid-tied inverters,” IEEE Trans. Power Electronics, vol. 31, no. 3, pp. 2139-2149, Mar. 2016.
  27. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “A robust synchronization to enhance the power quality of renewable energy systems,” IEEE Trans. Industrial Electronics, vol. 62, no. 8, pp. 4858-4868, Aug. 2015.
  28. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “An adaptive tuning mechanism for phase-locked loop algorithms for faster time performance of interconnected renewable energy sources,” IEEE Trans. Industry Applications, vol. 51, no. 2, pp. 1792-1804, Apr. 2015.
  29. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “A new hybrid PLL for interconnecting renewable energy systems to the grid,” IEEE Trans. Industry Applications, vol. 49, no. 6, pp. 2709-2719, Nov. 2013.
  30. L. Hadjidemetriou and E. Kyriakides, “The performance of a new hybrid PLL in an interconnected renewable energy system under fault ride through operation,” Hindawi Publishing Corporation/CPIE, vol. 2013, no. Article ID 168054, pp. 1-10, Mar. 2013.

Conference Publications

  1. A. Kotsonias, L. Hadjidemetriou, M. Asprou, C. Panayiotou, “Increasing the Fairness of Photovoltaic Curtailments for Voltage Management in Distribution Grids” in Proc. IEEE ISGT Europe, Dubrovnik, 2024, pp. 1-5.
  2. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Experimental Investigation of Inverter-Battery System Efficiency for Energy Scheduling” in Proc. IEEE ISGT Europe, Dubrovnik, 2024, pp. 1-5.
  3. N. Stylianides, L. Hadjidemetriou, C. Charalambous, C. Panayiotou, “A holistic assessment framework for evaluating buildings’ green and digital readiness level”, in Proc. IEEE ISGT Europe, Dubrovnik, 2024, pp. 1-5. 
  4. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Optimizing the Energy Scheduling and Assessing Profitability of BESSs in Buildings,” in Proc. IEEE SEST, 2024, pp. 1-6.
  5. N. Koumbari, L. Tziovani, M. Asprous, L. Hadjidemetriou, S. Timotheou, “Hybrid Thermal Dynamic Models for Forecasting Multi-Zone Residential Electricity Consumption,” in Proc. IEEE SEST, 2024, pp. 1-6.
  6. E. Tekki, L. Hadjidemetriou, M. Barragan-Villarejo, F. Jesus Matas-Diaz, J. M. Maza-Ortega, A. Gomez-Explosito, M. Polycarpou, “Ancillary Services Prioritization in Inverters with Virtual Synchronous Generator Functionalities,” in Proc. IEEE ISGT Europe, Grenoble, 2023, pp. 1-5,
  7. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Investigating piecewise linear energy storage models for optimization in power systems,” in Proc. IEEE PES General Meeting, Orlando, 2023, pp. 1-5.
  8. F. Mehmood, L. Hadjidemetriou, I. Tzortzis, M. Polycarpou, “Incipient Current and Voltage Sensors Fault Diagnosis Scheme for Grid Side Converters,” in Proc. Mediterranean Conference on Control and Automation (MED 2023), 2023, pp. 1-6.
  9. M. Elrway, L. Hadjidemetriou, C. Laoudias, M. Michael, “Modelling and analysing security threats targeting protective relay operations in digital substations,” in Proc. IEEE CSR, Venice, 2023, pp. 523-529.
  10. K. Kyriakou, L. Hadjidemetriou, C. Panayiotou, “Review of fault ride through support schemes and a new strategy for low-inertia power systems,” in Proc. IEEE POWERTECH, Belgrade, 2023, pp. 1-6.
  11. M. Elenkova, M. Asprou, L. Hadjidemetriou, M. Michael, C. Frangeskou, A. Stavrou, C. Panayiotou, “Inertia Estimation Under Normal Operation from Generation Units in the Cyprus Power System” in Proc. IEEE POWERTECH, Belgrade, 2023, pp. 1-6.
  12. L. Tziovani, M. Asprou, I. Ciornei, P. Kolios, L. Hadjidemetriou, A. Lazari, R. Tapakis, S. Timotheou, “Long-term unit commitment with combined-cycle units,” in Proc. IEEE POWERTECH, Belgrade, 2023, pp. 1-6.
  13. I. Papayiannis, M. Asprou, L. Hadjidemetriou, S. Timotheou, “Market order prequalification for TSO-DSO coordination”, in Proc. IEEE POWERTECH, Belgrade, 2023, pp. 1-6.
  14. M. Elrway, E. Tekki, L. Hadjidemetriou, C. Laoudias, M. Michael, “Protection and communication model of intelligent electronic devices to investigate security threats,” in Proc. IEEE ISGT-North America, Washington D.C., 2023, pp. 1-5.
  15. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Energy scheduling of wind-storage systems using stochastic and robust optimization,” in Proc. IEEE PES General Meeting, Denver, 2022, pp. 1-5.
  16. I. Papayiannis, M. Asprou, L. Hadjidemetriou, S. Timotheou, “Prequalification of distributed resources in a coordinated market environment”, in Proc. IEEE PES General Meeting, Denver, 2022, pp. 1-5.
  17. A. Charalambous, L. Hadjidemetriou, M. Polycarpou, “Flexible provision of ancillary services from grid tied inverters,” in Proc. IEEE APEC, Houston, 2022, pp. 1-6.
  18. A. Charalambous, L. Hadjidemetriou, M. Polycarpou, “Ancillary services provision with junction temperature control to ensure reliability of photovoltaic inverters,” in Proc. IEEE APEC, Houston, 2022, pp. 1-6.
  19. L. Hadjidemetriou, A. Akrytov, K. Kyriakou, C. Charalambous, M. Asprou, I. Ciornei, G. Ellinas, C. Panayiotou, “Wide area control of distributed resources through 5G communication to provide frequency support” in Proc. IEEE International Smart Cities Conference (ISC), Paphos, 2022, pp. 1-7.
  20. D. Englezos, L. Hadjidemetriou, P. Papadopoulos, S. Timotheou, M. Polycarpou, C. Panayiotou, “A digital twin architecture for smart buildings” in Proc. IEEE International Smart Cities Conference (ISC), Paphos, 2022, pp. 1-7.
  21. M. Asprou, A. Akrytov, L. Hadjidemetriou, C. Charalambous, I. Ciornei, G. Ellinas, C. Panayiotou, “The Impact of Wireless Communication Networks to Wide Area Monitoring and Protection Applications” in Proc. IEEE International Smart Cities Conference (ISC), Paphos, 2022, pp. 1-7.
  22. A. Kotsonias, M. Asprou, L. Hadjidemetriou, C. Panayiotou, “Voltage regulation under unbalanced power flow in active four-wire low voltage distribution grids” in Proc. IEEE ISGT, Novi Sad, 2022, pp. 1-5.
  23. C. Frangeskou, L. Hadjidemetriou, M. Asprou, C. Panayiotou, “Ground directional protection assessment in inverter dominated distribution networks” in Proc. IEEE ISGT, Novi Sad, 2022, pp. 1-5.
  24. L. Tziovani, L. Hadjidemetriou, S. Timotheou, “Energy storage arbitrage and peak shaving in distribution feeders under uncertainty,” in Proc. IEEE ISGT, Novi Sad, 2022, pp. 1-5.
  25. M. Elenkova, M. Asprou, L. Hadjidemetriou, C. Panayiotou, “Estimation of Load Inertia using Ambient Measurements from Synchrophasor Technology” in Proc. IEEE ISGT, Novi Sad, 2022, pp. 1-5.
  26. I. Chochliouros, D. Porcu, S. Castro, B. Otura, P. Encinar, A.Corsi, I. Ciornei, R. Santiago, A. Antonopoiulos, N. Cadenelli,  N. Pietro, A. Betzler, I. Prieto, F. Battista, E. Grigoriou, G. Ellinas, L.  Hadjidemetriou, D. Brodimas, R. Rumenova, A. Bachoumis, “5G for the support of smart power grids: millisecond level precise distributed generation monitoring and real-time wide area monitoring,” in Proc. International Conference on Artificial Intelligence Application and Innovations, Crete, 2022, pp. 1-10.
  27. I. Chochliouros, D. Porcu, D. Brodimas, N. Tzanis, N. Palov, R. Rumenova, A. Anotnopoulos, N. Candenelli, M. Asprou, L. Hadjidemetriou, S. Castro, P. Zlatev, B. Bogdanov, T. Bachoumis, A. Spiliopoulou, M. Rantopoulos, C. Lessi, D. Arvanitozisis, P. Lazaridis,  “Fundamental features of the Smart5Grid platform towards realizing 5G implementation,” in Proc. International Conference on Artificial Intelligence Application and Innovations, Crete, 2022, pp. 1-10.
  28. M. Elrway, L. Hadjidemetriou, C. Laoudias, M. Michael, “Light-weight and robust network intrusion detection for cyber-attacks in digital substations,” in Proc. IEEE ISGT-ASIA, Brisbane, 2021, pp. 1-6.
  29. L. Stylianou, L. Hadjidemetriou, M. Asprou, L. Zacharia, M. Michael, “A behavioral model to detect data manipulation attacks of synchrophasor measurements,” in Proc. IEEE ISGT-EUROPE, Espoo, 2021, pp. 1-6.
  30. F. Mehmood, P. Papadopoulos, L. Hadjidemetriou, M. Polycarpou, “Modeling of Sensor Faults in Power Electronics Inverters and Impact Assessment on Power Quality,” in Proc. IEEE POWERTECH, Madrid, 2021, pp. 1-6.
  31. L. Hadjidemetriou, G. Tertytchny, H. Karbouj, C. Charalambous, M. Michael, M. Sazos, M. Maniatakos, “Demonstration of man in the middle attack on a feeder power factor correction unit,” in Proc. IEEE ISGT, Hague, 2020, pp. 1-5.
  32. A. Charalambous, L. Hadjidemetriou, M. Polycarpou, “Control scheme for phase balancing and reactive power support from photovoltaic inverters,” in Proc. IEEE ISGT, Hague, 2020, pp. 1-5.
  33. L. Tziovani, L. Hadjidemetriou, C. Charalampous, S. Timotheou, E. Kyriakides, “Modelling and energy management of a flywheel storage system for peak shaving applications,” in Proc. IEEE ISGT, Hague, 2020, pp. 1-5.
  34. A. Kotsonias, M. Asprou, L. Hadjidemetriou, E. Kyriakides, “Enhancing the state estimation for low voltage distribution grids,” in Proc. IEEE ISGT, Hague, 2020, pp. 1-5.
  35. G. Tertytchny, H. Karbouj, L. Hadjidemetriou, C. Charalambous, M. Michael, M. Sazos, M. Maniatakos, “Demonstration of man in the middle attack on a commercial photovoltaic inverter providing ancillary services,” in Proc. IEEE Cyber-PELS, Detroit, 2020, pp. 1-6.
  36. S. Al-Agtash, M. Alhashem, A. Bintoudi, M. Batarseh, A. Tsolakis, J.L. Martinez-Ramos, A. Onen, B. Azzopardi, L. Hadjidemetriou, L. Zacharia, N. Martensen, M. Khiat and D. Tzovaras, “Microgrid environmental impact,” in Proc. IEEE ENERGYCON, Tunisia, 2020, pp 1-6.
  37. B. Azzopardi, S. Azzopardi, B. Bartolo, V. Jately, R. Mikalauskiene, S. Bhattacharya, A. Khalifeh, L. Hadjidemetriou, A. Tsolakis, J.L. Martinez-Ramos, A. Onen, M. Khiat, n. Martinsen, N. Borg, T. Camilleri, “Micro-grid campus concept from data to design: Case study Malta,” in Proc. IEEE PVSC, Calgary, 2020, pp 1-6.
  38. K. Jaskie, J. Martin, S. Rao, W. Barnard, P. Spanias, E. Kyriakides, Y. Tofis, L. Hadjidemetriou, M. Michael, T. Theocharides, S. Hadjistassou, A. Spanias, “IRES Program in Sensors and Machine Learning for Energy Systems,” in. Proc. 11th International Conference on Information, Intelligence, Systems and Applications, Piraeus, 2020, pp. 1-5.
  39. L. Hadjidemetriou, A. Charalambous, and E. Kyriakides, “Sensor-less control scheme for grid tied inverters to provide phase balancing services to the distribution grid,” in Proc. IEEE ECCE-Europe (EPE), Genova, 2019, pp. 1-10.
  40. A. Charalambous, L. Hadjidemetriou, and E. Kyriakides, “Voltage and frequency support scheme for storage systems in distribution grids,” in Proc. IEEE ECCE-Europe (EPE), Genova, 2019, pp. 1-10.
  41. L. Hadjidemetriou, A. Charalambous, and E. Kyriakides, “Control scheme for phase balancing low-voltage distribution grids,” in Proc. IEEE SEST, Porto, 2019, pp. 1-6.
  42. L. Tziovani, P. Kolios, L. Hadjidemetriou, E. Kyriakides, “Grid friendly operation with profit and reliability maximization of a hybrid photovoltaic-storage system,” in Proc. IEEE SEST, Porto, 2019, pp. 1-6.
  43. L. Zacharia, L. Tziovani, M. Savva, L. Hadjidemetriou, E. Kyriakides, J. L. Martinez-Ramos , A. Marano, B. Azzopardi, N. Martensen , T. Ackermann, M. Khiat, D. Tzovaras, A. Onen, S. Al-Agtash, “Optimal energy management and scheduling of a University Campus Microgrid,” in Proc. IEEE SEST, Porto, 2019, pp. 1-6. 
  44. A. Kotsonias, L. Hadjidemetriou, E. Kyriakides, Y. Ioannou, “Operation of a low voltage distribution grid in Cyprus and the impact of photovoltaics and electric vehicles”, in Proc. IEEE ISGT, Bucharest, 2019, pp. 1-5.
  45. A. Kotsonias, L. Hadjidemetriou, E. Kyriakides, “Power flow for a four-wire radial low voltage distribution grid with a single point grounded neutral”, in Proc. IEEE ISGT, Bucharest, 2019, pp. 1-5.
  46. A. Charalambous, L. Hadjidemetriou, and E. Kyriakides, “Voltage support scheme for low voltage distribution grids under voltage sags,” in Proc. IEEE POWERTECH, Milano, 2019, pp. 1-6.
  47. A. Kotsonias, L. Hadjidemetriou, M. Asprou, E. Kyriakides, “Investigation for the performance of monitoring schemes for low voltage distribution grid under different loading conditions,” in Proc. IEEE POWERTECH, Milano, 2019, pp. 1-6.
  48. L. Hadjidemetriou, L. Zacharia, E. Kyriakides, B. Azzopardi, S. Azzopardi, R. Mikalauskiene, S. Al-Agtash, M. Al-hashem, A. Tsolakis, D. Ioannidis, D. Tzovaras, “Design factors for developing a university campus microgrid,” in Proc. IEEE ENERGYCON2018, Limassol, 2018, pp. 1-6.
  49. L. Zacharia, A. Kyriakou, L. Hadjidemetriou,  E. Kyriakides, C. Panayiotou, B. Azzopardi, N. Martensen, N. Borg, “Islanding and resynchronization procedure of a university campus microgrid,”  in Proc. IEEE SEST, Seville, 2018, pp. 1-6.
  50. L. Tziovani, P. Kolios, L. Hadjidemetriou, E. Kyriakides, “Energy scheduling in non-residential buildings integrating battery storage and renewable solutions,” in Proc. IEEE ENERGYCON2018, Limassol, 2018, pp. 1-6.
  51. D. Monoyios, L. Hadjidemetriou, L. Zacharia, E. Kyriakides, ” Cost-effective optimization for an energy efficient design of the electrical installation of buildings,” in Proc. IEEE ENERGYCON2018, Limassol, 2018, pp. 1-6.
  52. A. Bintoudi, L. Zyglakis, A. Tsolakis, D. Ioannidis, M. Al-Hashem, S. Al-Agtash, L. Hadjidemetriou, L. Zacharia, E. Kyriakides, C. Demoulias, and D. Tzovaras, “An improved decentralised coordinated control scheme for microgrids with AC-coupled units,”  in Proc. IEEE SEST, Seville, 2018, pp. 1-6.
  53. Z. Ali, N. Christofides, L. Hadjidemetriou, E. Kyriakides, ” Photovoltaic reactive power compensation scheme: An investigation for the Cyprus distribution grid,” in Proc. IEEE ENERGYCON2018, Limassol, 2018, pp. 1-6.
  54. A. Bintoudi, L. Zyglakis, A. Tsolakis, D. Ioannidis, S. Al-Agtash, J. L. Martinez-Ramos, A. Onen, B. Azzopardi, L. Hadjidemetriou, M. Khiat, N. Martensen, D. Tzovaras, “A hybrid agent-based secondary control for microgrids with increased fault-tolerance needs,” in Proc. IEEE MEDPOWER2018, Dubronvik, 2018, pp. 1-7.
  55. A. Kotsonias, L. Hadjidemetriou, M. Asprous, E. Kyriakides, “Conventional Weighted Least Squares State Estimation for Monitoring Active Low Voltage Distribution Grids,”  in Proc. 6th International Conference on Renewable Energy Sources & Energy Efficiency, Nicosia, 2018, pp. 1-10.
  56. B. Azzopardi, S. Azzopardi, R. Mikalauskiene, A. Salem, L. Hadjidemetriou, D. Tzovaras, J. Luis Martinez-Ramos, P. Brandl, A. Onen, N. Borg, M. Khait, T. Camilleri, “Design considerations for campus micro-grid: MCAST Case Study,” in Proc. 7th World Conference on Photovoltaic Energy Conversion (WCPEC-7), Waikoloa, 2018, pp. 1-4.
  57. M.C. Kocer, Y. Yoldas, S. Goren, A. Onen, I. Alan, S. Al-Agtash, B. Azzopardi, N. Martensen, J. L. Martinez-Ramos, D. Tzovaras, L. Hadjidemetriou, M. Khiat, T. Camilleri, N. Borg, “Cloud induced PV impact on voltage profiles for real microgrids,” in Proc. 5th Intern. Symp. on Environment Friednly Energies and Applications, Rome, 2018, pp. 1-6.
  58. L. Hadjidemetriou, L. Zacharia, and E. Kyriakides, “Flexible power control scheme for interconnected photovoltaics to benefit the power quality and network losses of the distribution grid,” in Proc. IEEE ECCE-Asia 2017, Kaohsiung, 2017, pp. 1-6.
  59. Z. Ali, N. Christofides, L. Hadjidemetriou, and E. Kyriakides, “A computationally efficient current controller for simultaneous injection of both positive and negative sequences,” in Proc. IEEE ECCE-Europe (EPE), Warsaw, 2017, pp. 1-10.
  60. Z. Ali,N. Christofides, L. Hadjidemetriou, and E. Kyriakides, “Diversifying the role of distributed generation grid side converters for improving the power quality of the distribution networks using advanced control techniques,” in Proc. IEEE ECCE, Cincinnatti, 2017, pp. 1-8.
  61. Z. Ali, N. Christofides, L. Hadjidemetriou, and E. Kyriakides, “Improved transient performance properties of distributed generation grid side converter current controller under grid voltage harmonic distortion and unbalanced faults,” in Proc. IEEE IECON, Beijing, 2017, pp. 1-6.
  62. L. Hadjidemetriou, and E. Kyriakides, “Accurate and efficient modeling of grid tied inverters for investigating their interaction with the power grid,” in Proc. IEEE POWERTECH, Manchester, 2017, pp. 1-6.
  63. L. Zacharia, L. Hadjidemetriou, and E. Kyriakides, “Cooperation of wide area control with renewable energy sources for robust power oscillation damping,” in Proc. IEEE POWERTECH, Manchester, 2017, pp. 1-6.
  64. Z. Ali, L. Hadjidemetriou, N. Christofides, and E. Kyriakides, “An advanced current controller with reduced complexity and  improved performance under abnormal grid conditions,” in Proc. IEEE POWERTECH, Manchester, 2017, pp. 1-6.
  65. Z. Ali, L. Hadjidemetriou, N. Christofides, and E. Kyriakides, “Performance enhancement of MAF based PLL with phase error compensation in the per-filtering stage,” in Proc. IEEE POWERTECH, Manchester, 2017, pp. 1-6.
  66. I. Ciornei, M. Albu, M. Sanduleac, L. Hadjidemetriou, and E. Kyriakides, “Analytical derivation of PQ indicators compatible with control strategies for DC microgrids,” in Proc. IEEE POWERTECH, Manchester, 2017, pp. 1-6.
  67. A. Bintoudi, L. Zyglakis, T. Apostolos, D. Ioannidis, S. Al-Agtash, J. Martinez-Ramos, A. Onen, B. Azzopardi, L. Hadjidemetriou, N. Martensen, C. Demoulias, D. Tzovaras, “Novel hybrid design for microgrid control”, in Proc. IEEE Asia-Pacific Power and Energy Engineering Conference, pp. 1-6, Bangalore, 2017.
  68. L. Hadjidemetriou, N. Flourentzou, and E. Kyriakides, “Energy management controller of a resilient micro-grid for critical buildings,” in Proc. of 52nd ESReDA Seminar, Kaunas, 2017, pp. 1-12.
  69. N. Martensen, D. Masendorf, P. G. Belinchon, S. Al-Agtash, B. Azzopardi, D. Tzovaras, A. Önen, J. L. Martinez Ramos, M. Khiat, L. Hadjidemetriou, N. Fragale, N. Borg, “Framework Design for Smart Micro-Grids”, in Proc. of 3rd International workshop on hybrid power systems, Tenerife, pp. 1-9, May 2018.
  70. L. Hadjidemetriou, Y. Yang, E. Kyriakides and F. Blaabjerg, “A synchronization scheme for single-phase grid-tied inverters under harmonic distortions and grid disturbances,” in Proc. IEEE APEC 2016, Long Beach, 2016, pp. 1-8.
  71. L. Hadjidemetriou, G. Nicolaou, D. Stavrou and E. Kyriakides, “Low-cost real-time monitoring of a laboratory scale power system,” in Proc. IEEE MELECON 2016, Limassol, 2016, pp. 1-6.
  72. L. Hadjidemetriou, A. Charalambous, P. Demetriou and E. Kyriakides, “Dynamic modeling of IEEE test systems including renewable energy sources,” in Proc. IEEE MELECON 2016, Limassol, 2016, pp. 1-6.
  73. I. Ciornei, M. Albu, L. Hadjidemetriou, and E. Kyriakides, “Power quality based key performance indicators compatible with control schemes in DC microgrids,” presented in Symposium on Microgrids, Niagara, 2016.
  74. L. Hadjidemetriou, P. Demetriou and E. Kyriakides, “Investigation of different fault ride through strategies for renewable energy sources,” in Proc. IEEE POWERTECH, Eindhoven, 2015, pp. 1-6.
  75. L. Hadjidemetriou, M. Asprou, P. Demetriou and E. Kyriakides, “Enhancing power system voltage stability through a centralized control of renewable energy sources,” in Proc. IEEE POWERTECH, Eindhoven, 2015, pp. 1-6.
  76. P. Demetriou, L. Hadjidemetriou, A. Kyriacou, E. Kyriakides and C. Panayiotou, “Real-time identification of coherent generator groups,” in Proc. IEEE POWERTECH, Eindhoven, 2015, pp. 1-6.
  77. Y. Yang, L. Hadjidemetriou, F. Blaabjerg and E. Kyriakides, “Benchmarking of phase locked loop based synchronization techniques for grid-connected inverter systems,” in Proc. ICPE ECCE Asia, Seoul, 2015, pp. 2517-2524.
  78. L. Hadjidemetriou, E. Kyriakides, Y. Yang and F. Blaabjerg, “Power quality improvement of single-phase photovoltaic systems through a robust synchronization method,” in Proc. IEEE ECCE, Pittsburgh, 2014, pp. 2625-2632.
  79. S. Vagropoulos, L. Hadjidemetriou, A. Bakirtzis and E. Kyriakides, “Assessment of electric losses minimization in commercial facilities through combined EV charging and PV generation operation,” in Proc. IEEE MEDPOWER, Athens, 2014, pp. 1-6.
  80. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “An adaptive Phase-Locked Loop algorithm for faster fault ride through performance of interconnected renewable energy sources,” in Proc. IEEE ECCE, Denver, 2013, pp. 2619-2626.
  81. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “A grid side converter current controller for accurate current injection under normal and fault ride through operation,” in Proc. IEEE IECON, Vienna, 2013, pp. 1454-1459.
  82. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “Synchronization of grid-connected renewable energy sources under highly distorted voltages and unbalanced grid faults,” in Proc. IEEE IECON, Vienna, 2013, pp. 1887-1892. (best paper award in Power Quality session)
  83. Y. Tofis, L. Hadjidemetriou and E. Kyriakides, “An intelligent load shedding mechanism for maintaining frequency stability,” in Proc. IEEE POWERTECH, Grenoble, 2013, pp. 1-5.
  84. D. Stavrou, L. Hadjidemetriou, E. Kyriakides and C. Panayiotou, “Low-cost interface platform for controlling a real-time system;” in Proc. IEEE HSBC, Nicosia, 2013, pp. 1-2.
  85. L. Hadjidemetriou, E. Kyriakides and F. Blaabjerg, “A new hybrid PLL for interconnecting Renewable Energy Systems to the grid,” in Proc. IEEE ECCE, Raleigh, 2012, pp. 2075-2082.
  86. L. Hadjidemetriou and E. Kyriakides, “The performance of a new hybrid PLL in an interconnected renewable energy system under fault ride through operation,” in Proc. POEM, Limassol, 2012, pp. 1-7.
  87. L. Hadjidemetriou, A. Haniotis, A. Kladas, “Design, implementation and experimental verification of a high efficiency inverter for a prototype fuel cell-electric vehicle,” in Proc. 4th Hellenic Electrical and Computer Engineering Students Conference, Patra, Greece, 2010, pp. 1-8. (in Greek)

Book Chapters

  1. A. Kotsonias, M. Asprou, L. Hadjidemetriou, C. Panayiotou, “State estimation for low voltage distribution grids,” Chapter 13 in Power Distribution System State Estimation: Modeling and Alternative Approaches, IET, Eds. Joao Bosco Augusto London, Elizete Maria Lourenco, 2022. ISBN-13: 978-1-83953-201-6
  2. N. Flourentzou, M. Asprou, L. Zacharia, L. Hadjidemetriou, “Power Systems (SCADA system, smart grid, simulation and modelling, wide area monitoring and control),” Chapter 4 in Cyber-physical systems modelling and simulation, eBook, RTU Press, Eds. N. Flourentzou, S. Hadjistassou, I. Ciornei, 2022. ISBN 978-9934-22-675-5

Other presentation or invited presentation/talks

  1. L. Hadjidemetriou, “Intelligent Solutions for Modern Power and Energy Systems by KIOS Center of Excellence”, SAVE ENERGY 2024 Exposition and 3rd Professional Conference for energy and circular economy, 13 Apr. 2024.
  2. L. Hadjidemetriou, “Intelligent Solutions for Modern Power and Energy Systems by KIOS Center of Excellence”, 7th International Conference on Renewable Energy Sources and Energy Efficiency – Energy Security – Speech on a Special Session for research and innovation activities of research centers, 13 Oct. 2023.
  3. L. Hadjidemetriou, “Advancing the Integration of Renewable Energy and Intelligently Managing Modern Power Systems,” University of Seville Energy Doctoral Program Conference, Seville, 15-16 Nov. 2022.
  4. L. Hadjidemetriou, Himanshu Himanshu, Salvatore Carlucci, Mario Hirz. Brian Norton, “New materials for energy transition, positive energy buildings and districts, decarbonization of local mobility systems,” 5th European Sustainable Energy Innovation Alliance Conference – Towards Climate Neutral Energy Communities – Panel Discussion, Nicosia, Nov. 2022.
  5. L. Hadjidemetriou, “Intelligent management and control of energy storage pilots,” Cyprus employers and industrialists federation workshop on energy storage in Cyprus: challenges and new technologies, Nicosia, Oct. 2022.
  6. L. Hadjidemetriou, A. Stavrou, R. Tapakis, M. Asprou, “Intelligent technologies for sustainable energy future,” Cyprus Forum – Panel Session, Nicosia, Sep. 2022.
  7. Lenos Hadjidemetriou, M. Asprou, P. Demetriou, “Modernize the Cyprus power system by integrating synchrophasor technology and flexible energy storage solutions,” IEEE SEST – Panel Session, Vaasa (Hybrid), Sep. 2021.
  8. L. Hadjidemetriou, “Advanced infrastructure for cyber-security investigations in the smart grid and intelligent intrusion detection schemes,” UNIMED Webinar on Cyber-Physical Systems Security and Resilience, Virtual, July 2021.
  9. L. Hadjidemetriou, “Renewable energy sources and smart grids”, Zinonio Free University Seminars, Larnaca (Hybrid), Apr. 2021. (live broadcast by CYBC radio).
  10. L. Hadjidemetriou, M. Asprou, A. Stavrou, R. Tapakis, M. Albu, “Evolution of power systems to smart grids – EMPOWER project paradigm”, IEEE ISGT-Europe – Panel Session, Hague (virtual), Oct. 2020.
  11. L. Hadjidemetriou, M. Asprou, “Wide area monitoring and control and grid integration of renewable energy sources”, Workshop on Evolution of Power Systems, Nicosia (Hybrid), Oct. 2020.
  12. L. Hadjidemetriou, “Accurate modelling and novel control schemes for microgrids”, 3rd MCAST Energy Day conference, Malta, Oct. 2019.
  13. L. Hadjidemetriou, “Modern power systems with high penetration of renewable energy sources”, Imperial College London – event for research and study opportunities, London, Feb. 2019.
  14. L. Hadjidemetriou, Y. Tofis, E. Kyriakides, “ENHANCE: A research project for an enhanced rooftop PV integration through kinetic storage and wide area monitoring,” presented in SAVENERGY 2017 Conference, Nicosia, 2017.
  15. L. Hadjidemetriou, L. Zacharia, E. Kyriakides, “PV2GRID: A research project for a next generation grid side converter with advanced control and power quality capabilities,” presented in SAVENERGY 2017 Conference, Nicosia, 2017.