Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 28, Issue 2, Pages 1017-1026Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2012.2209902
Keywords
Communication; consensus filtering; distributed acquisition; frequency regulation; plug-in electric vehicles
Categories
Funding
- National Natural Science Foundation of China [71071025]
- Outstanding Youth Science Foundation of Hunan Province [10JJ1010]
- Program for New Century Excellent Talents in University of China [NCET-08-0676]
- Open Innovation Platform Foundation of Hunan College [10K003]
- National Basic Research Program of China (973 Program) [2012CB315805]
- National Outstanding Youth Science Foundation of China [70925006]
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For application of a large number of plug-in electric vehicles (PEVs) to system frequency regulation, a distributed acquisition approach based on consensus filtering is proposed, where frequency-measuring function is performed only at distribution substations. Limited communication between neighboring PEVs/distribution substations can facilitate consistent and accurate acquisition of frequency deviation signals for all PEVs. Considering the battery charging/discharging characteristics, a dynamic PEV model with feedback control is further proposed and integrated with frequency regulation based on distributed acquisition. Asymptotical stabilities of distributed acquisition and system frequency regulation are analyzed. Simulation results demonstrate that the proposed approach can provide consistent and accurate control signals for a large number of PEVs and obtain better regulation than general decentralized control in terms of eliminating noise, improving robustness and reducing device costs.
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