Coordination of EVs Participation for Load Frequency Control in Isolated Microgrids
Increasing the penetration levels of renewable energy sources (RESs) in microgrids (MGs) may lead to frequency instability issues due to intermittent nature of RESs and low inertia of MG generating units. On the other hand, presence of electric vehicles (EVs), as new high-electricity- consuming appl...
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| Veröffentlicht in: | Applied sciences 2017-05, Vol.7 (6), p.539 |
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| creator | Vahedipour-Dahraie, Mostafa Rashidizaheh-Kermani, Homa Najafi, Hamid Anvari-Moghaddam, Amjad Guerrero, Josep |
| description | Increasing the penetration levels of renewable energy sources (RESs) in microgrids (MGs) may lead to frequency instability issues due to intermittent nature of RESs and low inertia of MG generating units. On the other hand, presence of electric vehicles (EVs), as new high-electricity- consuming appliances, can be a good opportunity to contribute in mitigating the frequency deviations and help the system stability. This paper proposes an optimal charging/discharging scheduling of EVs with the goal of improving frequency stability of MG during autonomous operating condition. To this end, an efficient approach is applied to reschedule the generating units considering the EVs owners’ behaviors. An EV power controller (EVPC) is also designed to determine charge and discharge process of EVs based on the forecasted day-ahead load and renewable generation profiles. The performance of the proposed strategy is tested in different operating scenarios and compared to those from non-optimized methodologies. Numerical simulations indicate that the MG performance improves considerably in terms of economy and stability using the proposed strategy. |
| doi_str_mv | 10.3390/app7060539 |
| format | Article |
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On the other hand, presence of electric vehicles (EVs), as new high-electricity- consuming appliances, can be a good opportunity to contribute in mitigating the frequency deviations and help the system stability. This paper proposes an optimal charging/discharging scheduling of EVs with the goal of improving frequency stability of MG during autonomous operating condition. To this end, an efficient approach is applied to reschedule the generating units considering the EVs owners’ behaviors. An EV power controller (EVPC) is also designed to determine charge and discharge process of EVs based on the forecasted day-ahead load and renewable generation profiles. The performance of the proposed strategy is tested in different operating scenarios and compared to those from non-optimized methodologies. 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| source | DOAJ Directory of Open Access Journals; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals |
| subjects | Alternative energy sources Control systems design Distributed generation Electric vehicles Electrical loads Electricity Electricity distribution Energy management Energy sources Energy storage Frequency control Frequency deviation Frequency stability Participation Prices Pricing policies Renewable energy sources Renewable resources Systems stability |
| title | Coordination of EVs Participation for Load Frequency Control in Isolated Microgrids |
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