TY - JOUR AU - Rózsa, Máté AU - Csatár, János TI - Interfész algoritmusok vizsgálata Power-Hardware-in-the-Loop szimulációs környezetben JF - ELEKTROTECHNIKA J2 - ELEKTROTECHNIKA VL - 116 PY - 2023 IS - 9-10 SP - 21 EP - 24 PG - 4 SN - 0367-0708 UR - https://m2.mtmt.hu/api/publication/34684887 ID - 34684887 LA - Hungarian DB - MTMT ER - TY - CHAP AU - Rózsa, Máté AU - Csatár, János ED - Mohos, András ED - Táczi, István ED - Tóth, Zoltán TI - Interfész algoritmusok vizsgálata Power-Hardware-in-the-Loop szimulációs környezetben T2 - XIII. Mechwart András Ifjúsági Találkozó: Konferenciakiadvány PB - Magyar Elektrotechnikai Egyesület, Mechwart András Ifjúsági Társaság CY - Siófok SN - 9789639299511 PY - 2023 SP - 105 EP - 117 PG - 13 DO - 10.54232/MAIT.2023_9 UR - https://m2.mtmt.hu/api/publication/34431579 ID - 34431579 LA - Hungarian DB - MTMT ER - TY - CHAP AU - Tóth, Balázs AU - Sütő, Bence ED - Mohos, András ED - Táczi, István ED - Tóth, Zoltán TI - Inverter alapú mikrogridek hálózati reszinkronizációjának vizsgálata T2 - XIII. Mechwart András Ifjúsági Találkozó: Konferenciakiadvány PB - Magyar Elektrotechnikai Egyesület, Mechwart András Ifjúsági Társaság CY - Siófok SN - 9789639299511 PY - 2023 SP - 128 EP - 141 PG - 13 DO - 10.54232/MAIT.2023_11 UR - https://m2.mtmt.hu/api/publication/34431561 ID - 34431561 LA - Hungarian DB - MTMT ER - TY - JOUR AU - Csatár, János AU - Péter, György AU - Holczer, Tamás TI - Holistic attack methods against power systems using the IEC 60870-5-104 protocol JF - INFOCOMMUNICATIONS JOURNAL J2 - INFOCOMM J VL - 15 PY - 2023 IS - 3 SP - 42 EP - 53 PG - 12 SN - 2061-2079 DO - 10.36244/ICJ.2023.3.5 UR - https://m2.mtmt.hu/api/publication/34157686 ID - 34157686 N1 - Export Date: 14 December 2023 LA - English DB - MTMT ER - TY - JOUR AU - Divényi, Dániel AU - Polgári, Beáta AU - Sleisz, Ádám AU - Sőrés, Péter Márk AU - Raisz, Dávid TI - Complex energy-reserve orders for generators with income and ramping restrictions on European electricity markets JF - ELECTRIC POWER SYSTEMS RESEARCH J2 - ELECTR POW SYST RES VL - 221 PY - 2023 SN - 0378-7796 DO - 10.1016/j.epsr.2023.109474 UR - https://m2.mtmt.hu/api/publication/33826647 ID - 33826647 N1 - Department of Electric Power Engineering, Budapest University of Technology and Economics, Egry József u. 18., Budapest, 1111, Hungary Business Intelligence and Energy Regulation Department, MVM Hungarian Electricity Ltd., Szentendrei út 207-209., Budapest, 1031, Hungary Export Date: 26 May 2023 CODEN: EPSRD Correspondence Address: Sleisz, Á.; Department of Electric Power Engineering, Egry József u. 18., Hungary; email: sleisz.adam@vet.bme.hu LA - English DB - MTMT ER - TY - CHAP AU - Tóth, Balázs AU - Raisz, Dávid AU - Sütő, Bence TI - Virtuális oszcillátor alapú inverter szabályozás T2 - XII. Mechwart András Ifjúsági Találkozó PB - Magyar Elektrotechnikai Egyesület, Mechwart András Ifjúsági Társaság CY - Budapest SN - 9789639299474 PY - 2022 SP - 90 EP - 101 PG - 12 DO - 10.54232/MAIT.2022_9 UR - https://m2.mtmt.hu/api/publication/33639525 ID - 33639525 LA - Hungarian DB - MTMT ER - TY - CHAP AU - Sütő, Bence AU - Tóth, Balázs AU - Divényi, Dániel AU - Farkas, Csaba AU - Raisz, Dávid TI - Grid-forming inverter modellek összehasonlító vizsgálata T2 - XII. Mechwart András Ifjúsági Találkozó PB - Magyar Elektrotechnikai Egyesület, Mechwart András Ifjúsági Társaság CY - Budapest SN - 9789639299474 PY - 2022 SP - 77 EP - 89 PG - 13 DO - 10.54232/MAIT.2022_8 UR - https://m2.mtmt.hu/api/publication/33639500 ID - 33639500 LA - Hungarian DB - MTMT ER - TY - CHAP AU - Farkas, Csaba AU - Divényi, Dániel AU - Arnold, A. AU - Sütő, Bence AU - Raisz, Dávid ED - IEEE, , TI - Extended synchronverter model for PHIL simulation in grid-connected and islanded operation T2 - 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) PB - IEEE CY - Piscataway (NJ) SN - 9781665466189 T3 - IEEE International Symposium on Power Electronics for Distributed Generation Systems, ISSN 2329-5759 PY - 2022 DO - 10.1109/PEDG54999.2022.9923257 UR - https://m2.mtmt.hu/api/publication/33282187 ID - 33282187 N1 - Budapest University of Technology and Economics, Department of Electric Power Engineering, Budapest, Hungary Mavir Hungarian Independent Transmission System Operator Ltd., Operational Security Development Department, Budapest, Hungary Export Date: 29 November 2022 AB - The need to control the inverters of renewable generating units called various controller concepts into existence. Of particular interest to grid-tied operation are those controllers that can mimic the inertial behavior of the conventional synchronous machines since the decrease of inertia will pose a serious issue in future power grids. These controllers are called VSM - Virtual Synchronous Machines, a family the synchronverter control concept is part of. In this paper we strive for augmenting the foundations of the synchronverter control and parameter tuning method already laid down in [1] by introducing the filter capacitor and the resistances into the small-signal model. Using parameters determined based on small-signal stability calculations we show how the synchronverter is capable of islanded and grid-connected operation, synchronizing to the grid via a synchronizing impedance. The controller is tested on a power hardware-in-the-loop (PHIL) simulator with an emulated external grid capable of giving frequency response. Simulation results indicate that the transfer from islanded to grid-connected operation of the synchronverter is seamless after a fast synchronization, while the controller can help in the frequency containment process (FCP). LA - English DB - MTMT ER - TY - CHAP AU - Sütő, Bence AU - Divényi, Dániel AU - Raisz, Dávid ED - IEEE, , TI - Comparison and specification-based tuning of two grid-forming inverter controllers providing inertia T2 - 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG) PB - IEEE CY - Piscataway (NJ) SN - 9781665466189 T3 - IEEE International Symposium on Power Electronics for Distributed Generation Systems, ISSN 2329-5759 PY - 2022 DO - 10.1109/PEDG54999.2022.9923191 UR - https://m2.mtmt.hu/api/publication/33282181 ID - 33282181 N1 - Funding Agency and Grant Number: National Research, Development and Innovation Fund of Hungary - Centre for Higher Education and Industrial Cooperation - Research infrastructure development (FIEK 16) funding scheme [FIEK_16-1-2016-0007] Funding text: Project no. FIEK_16-1-2016-0007 has been implemented with the support provided from the National Research, Development and Innovation Fund of Hungary, financed under the Centre for Higher Education and Industrial Cooperation - Research infrastructure development (FIEK 16) funding scheme. AB - As the proportion of renewable energy generation grows worldwide, there is an increasing demand for electronic solutions that support power system stability. Grid-forming (GFM) inverters that provide virtual inertia will likely be one of the key elements in future power systems. However, no clear guidelines or specifications do yet exist for the selection of the controller structure and its parameter tuning. There are several GFM approaches published in the literature, from which two virtual synchronous machine (VSM) structures are compared in this paper to identify which controller is more convenient from the point of view of specification-based parameter-tuning. First, the dynamics of the active and reactive power loops are expressed via a theoretic, small-signal analysis-based approach. Using the derived models, the converter parameters are tuned to provide identical behavior to power reference changes. The comparison and the evaluation of the theoretic models are carried out using offline simulations and PHIL demonstrations. Results indicate that the VSM cascade model corresponds to its theoretical model, while the synchronverter is more prone to dealing with stability issues in hardware implementation. LA - English DB - MTMT ER - TY - JOUR AU - Sleisz, Ádám AU - Divényi, Dániel AU - Polgári, Beáta AU - Sőrés, Péter Márk AU - Raisz, Dávid TI - A Novel Cost Allocation Mechanism for Local Flexibility in the Power System with Partial Disintermediation JF - ENERGIES J2 - ENERGIES VL - 15 PY - 2022 IS - 22 PG - 18 SN - 1996-1073 DO - 10.3390/en15228646 UR - https://m2.mtmt.hu/api/publication/33257997 ID - 33257997 N1 - Funding Agency and Grant Number: EU [824330] Funding text: This research was funded by the EU's Horizon 2020 project INTERRFACE (grant agreement No. 824330). AB - Electricity markets are going through a comprehensive transformation that includes the large-scale appearance of intermittent renewable generators (RGs). To handle the local effects of new RGs on the distribution grid, the more efficient utilization of distributed local flexibility (LF) resources is necessary. However, the optimal market design is not yet known for LF products. This paper investigates a novel cost allocation mechanism in the context of this market challenge. The mechanism is designed to provide several important advantages of peer-to-peer trading without creating barriers to practical application. It provides partial disintermediation. The acquisition of LF remains the responsibility of the DSO, while the financial costs of the transaction are covered on power exchanges (PXs). To provide this functionality, the clearing algorithm of the PX in question has to incorporate a novel feature we call the Payment Redistribution Technique. This technique allows the buyers’ expenses to be larger than the sellers’ income, and the difference is used to finance flexibility costs. Its mathematical formulation is presented and analyzed in detail, considering computational efficiency and accuracy. Afterward, a realistic case study is constructed to demonstrate the operation of the algorithm and its energy market effects. LA - English DB - MTMT ER -