OSUVA - Selaus tekijän "https://orcid.org/0000-0001-9378-8500" mukaan
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A fuzzy logic control of a smart home with energy storage providing active and reactive power flexibility services
Khajeh, Hosna; Laaksonen, Hannu; Sim ̃oes, Marcelo G. (Elsevier, 09.12.2022)
articleThere is a need for enhanced flexibility to allow the high penetration of intermittent renewable power into the power system. In this way, transmission system operators (TSO) need more flexible energy resources that help ... -
A Local Capacity Market Providing Local and System-wide Flexibility Services
Khajeh, Hosna; Firoozi, Hooman; Hesamzadeh, Mohammad Reza; Laaksonen, Hannu; Shafie-Khah, Miadreza (IEEE, 31.03.2021)
articleA large amount of renewable energy sources and electric vehicles will be integrated into future electricity distribution and transmission systems. New flexibility services from distribution network are needed to manage the ... -
A Market-Based Mechanism for Local Energy Trading in Integrated Electricity-Heat Networks
Haghifam, Sara; Laaksonen, Hannu; Shafie-khah, Miadreza; Shafie-khah, Miadreza; Gazafroudi, Amin Shokri (Springer, 14.02.2023)
bookPartDue to the proliferation of power-to-X-to-power (P2X2P) conversion technologies across various energy systems, the sector-integration concept has gained considerable attention in recent years. In this context, to facilitate ... -
A New Local Market Structure for Meeting Customer-Level Flexibility Needs
Khajeh, Hosna; Firoozi, Hooman; Laaksonen, Hannu; Shafie-khah, Miadreza (IEEE, 22.09.2020)
articleFlexibility issues are the main problems arising from the high injection of renewables and distributed energy resources. In order to solve this problem, flexibility potential of distribution-located flexible energy resources ... -
A Revenue-Cost Sharing Methodology for the Peer-to-Peer Energy Trading in a Residential Community
Dadashi, Mojtaba; Haghifam, Sara; Zare, Kazem; Laaksonen, Hannu; Shafie-khah, Miadreza (IEEE, 30.11.2021)
articleGenerally, the low selling price of energy to the utility has increased local prosumers’ tendency to exchange their surplus power with their neighbors at the distribution level. Nonetheless, to this end, providing an ... -
A two-stage stochastic bilevel programming approach for offering strategy of DER aggregators in local and wholesale electricity markets
Haghifam, Sara; Dadashi, Mojtaba; Laaksonen, Hannu; Zare, Kazem; Shafie-khah, Miadreza (Institution of Engineering and Technology (IET)Wiley, 09.02.2022)
articleA two-stage stochastic programming scheme is proposed in order to evaluate the offering strategy of a distributed energy resource aggregator in both wholesale and local electricity markets and appropriately cope with ... -
Accelerated Real-Time Simulations for Testing a Reactive Power Flow Controller in Long-Term Case Studies
Sirviö, Katja H.; Mekkanen, Mike; Kauhaniemi, Kimmo; Laaksonen, Hannu; Salo, Ari; Castro, Felipe; Babazadeh, Davood (Hindawi, 05.06.2020)
articleThis paper presents the development of an accelerated real-time cosimulation and testing platform, especially for long-term simulations of power systems. The platform is planned to be utilized in the development and testing ... -
Active Building as an Electricity Network Service Provider
Firoozi, Hooman; Khajeh, Hosna; Laaksonen, Hannu; Shaterabadi, Mohammad; Vahidinasab, Vahid; Mohammadi-Ivatloo, Behnam (Springer, 07.05.2022)
bookPartA growing number of distributed generation units in power systems along with the characteristics of intermittent renewable resources have increased the` need for flexibility in electrical networks. Flexible energy resources ... -
Adaptation of DER Control Schemes and Functions During MV Network Back-up Connection
Laaksonen, Hannu; Parthasarathy, Chethan; Khajeh, Hosna; Shafie-khah, Miadreza (IEEE, 27.09.2021)
articleIn the future, active network management (ANM) and adaptive distributed energy resources (DER) control schemes will be increasingly required to fulfill growing power system resiliency and renewable generation integration ... -
Aging aware adaptive control of Li-ion battery energy storage system for flexibility services provision
Parthasarathy, Chethan; Laaksonen, Hannu; Redondo-Iglesias, Eduardo; Pelissier, Serge (Elsevier, 05.12.2022)
articleBattery energy storage systems (BESSs) play a major role as flexible energy resource (FER) in active network management (ANM) schemes by bridging gaps between non-concurrent renewable energy sources (RES)-based power ... -
Aging Characteristics Consideration in Adaptive Control Design of Grid-Scale Lithium-ion battery
Parthasarathy, Chethan; Laaksonen, Hannu; Alaperä, Ilari (IEEE, 28.11.2022)
articleLithium-ion battery energy storage systems (Li-ion BESS) have been extensively used for frequency containment reserves for disturbances (FCR-D) and frequency containment reserves for normal operations (FCR-N) in Finland. ... -
An Islanding Detection Technique for Inverter-Based Distributed Generation in Microgrids
Karimi, Mazaher; Farshad, Mohammad; Hong, Qiteng; Laaksonen, Hannu; Kauhaniemi, Kimmo (MDPI, 2021)
articleThis article proposes a new passive islanding detection technique for inverter-based distributed generation (DG) in microgrids based on local synchrophasor measurements. The proposed method utilizes the voltage and current ... -
Applications of Probabilistic Forecasting in Smart Grids : A Review
Khajeh, Hosna; Laaksonen, Hannu (MDPI, 10.02.2022)
articleThis paper reviews the recent studies and works dealing with probabilistic forecasting models and their applications in smart grids. According to these studies, this paper tries to introduce a roadmap towards decision-making ... -
Business Models for Different Future Electricity Market Players
Khajeh, Hosna; Firoozi, Hooman; Laaksonen, Hannu; Shafie-khah, Miadreza; Khan, Baseem; Mahela, Om Prakash; Padmanaban, Sanjeevikumar; Haes Alhelou, Hassan (CRC Press, 13.04.2022)
bookPartThis chapter firstly introduces the existing and newly emerged players participating in different markets and trading structures in a smart grid environment. These market players are prosumers, aggregators, virtual power ... -
Characterisation and modelling Lithium Titanate Oxide battery cell by Equivalent Circuit Modelling Technique
Parthasarathy, Chethan; Laaksonen, Hannu; Halagi, Prathamesh (IEEE, 24.02.2022)
articleLithium Titanate Oxide (L TO) battery cells have immense potential as energy storage systems in large-scale stationary grid applications due to their better cycling performance, lower self-discharge and higher safety margins ... -
Comparison and Evaluation of State of Charge Estimation Methods for a Verified Battery Model
Nemounehkhah, Behrooz; Faranda, Roberto; Akkala, Kishore; Hafezi, Hossein; Parthasarathy, Chethan; Laaksonen, Hannu (IEEE, 22.09.2020)
articleBattery Energy Storage Systems (BESS) emerged over the last decade due to their proven capabilities in mobile (e.g. electric vehicles) and stationary (e.g. smart grids) solutions. To manage a BESS and sustain its high ... -
Comparison of optimized operation of energy community's flexibility considering different regulations and trading structures
Khajeh, Hosna; Firoozi, Hooman; Laaksonen, Hannu; Shafie-khah, Miadreza (IET, 2021)
articleThis paper provides a comparison of an energy community energy trading under different regulations and trading structures. In this regard, it considers three cases. In the first case, the community is imposed a fixed price ... -
Compliance of Distribution System Reactive Flows with Transmission System Requirements
Pediaditis, Panagiotis; Sirviö, Katja; Ziras, Charalampos; Kauhaniemi, Kimmo; Laaksonen, Hannu; Hatziargyriou, Nikos (MDPI, 22.08.2021)
articleTransmission system operators (TSOs) often set requirements to distribution system operators (DSOs) regarding the exchange of reactive power on the interface between the two parts of the system they operate, typically High ... -
Control and Co-ordination of Flexibilities for Active Network Management in Smart Grids : Li-ion BESS Fast Charging Case
Parthasarathy, Chethan; Laaksonen, Hannu; Hafezi, Hossein (IEEE, 29.07.2021)
articleFast charging of Lithium-ion battery energy storage systems (Li-ion BESSs) when utilized in the medium voltage (MV) distribution networks may introduce its own stress on the network under certain operating modes, especially ... -
DC Voltage Level–Based Power Supply Prioritization in Multi–Inverter System : Marine Use Case
Alho, Timo M. R.; Laaksonen, Hannu (IEEE, 22.09.2020)
articleThis paper introduces a multi-inverter system power supply prioritization method based on the system's DC voltage level. The purpose of the functionality is to first utilize the more desirable power source in the inverters' ...