Real-time vehicle-to-grid control for frequency regulation with high frequency regulating signal

Liu, H.; Huang, Kai; Yang, Yude; Wang, Hua; Ma, Shiying

doi:10.1186/s41601-018-0085-1

Cited by 62 publications

(38 citation statements)

References 17 publications

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“…Under the framework of real-time dispatching of a power system that involves EV charging stations, the charging stations participate in power system frequency regulation with the expectation of obtaining certain benefits. Basically, according to the expected income and related costs of EV participation in power system frequency regulation, the open trading platform will be used to declare the price of unit adjustment electricity when the EV load participates in power system frequency regulation, which will be used to negotiate with the power grid dispatching center [37]. Under such circumstances, the power station acts as the seller of the frequency regulation service, while the dispatching center is regarded as the buyer.…”

Section: The Mathematical Model Of Agc Power Dynamic Allocation With mentioning

confidence: 99%

Cost Consensus Algorithm Applications for EV Charging Station Participating in AGC of Interconnected Power Grid

Tang

Ren

et al. 2019

Applied Sciences

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In order to more effectively reduce the regulation costs of power grids and to improve the automatic generation control (AGC) performance, an optimization mathematical model of generation command dispatch for AGC with an electric vehicle (EV) charging station is proposed in this paper, in which a cost consensus algorithm for AGC is adopted. Particularly, virtual consensus variables are applied to exchange information among different AGC units. At the same time, the actual consensus variables are utilized to determine the generation command, upon which the flexibility of the proposed algorithm can be significantly enhanced. Furthermore, the implement feasibility of such an algorithm is verified through a series simulation experiments on the Hainan power grid in southern China, where the results demonstrate that the proposed algorithm can effectively realize an autonomous frequency regulation of EVs participating in AGC.

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Section: The Mathematical Model Of Agc Power Dynamic Allocation With mentioning

confidence: 99%

Cost Consensus Algorithm Applications for EV Charging Station Participating in AGC of Interconnected Power Grid

Tang

Ren

et al. 2019

Applied Sciences

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“…With the rapid advancement of urban infrastructure construction, urban rail transit construction in various countries is developing rapidly [1,2]. Nowadays, 750 or 1500 V DC power supply is usually used in metro at home and abroad [3,4], and running rail of metro is also a reflux passage of traction current.…”

Section: Introductionmentioning

confidence: 99%

A New On‐line Monitoring Method for Stray Current ofDCMetro System

Peng

Zhang

Leng

et al. 2020

IEEJ Transactions Elec Engng

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In order to solve the problem that the metro stray current cannot be directly numerically measured by the existing methods, and the data acquisition distortion caused by the special operating environment of the metro system, a new on‐line monitoring method for stray current was put forward in this paper. First, the stray current distribution function at different positions of metro trains was derived. Then, the equivalent circuit of stray current was built according to the field measured environment, and the numerical calculation formula of stray current was deduced. On the basis of the formula, the metro stray current could be calculated by the real‐time monitoring data, and the calculated data can be filtered and fitted with the stray current distribution function. In order to identify the distorted data, the potential energy function was introduced to judge the deviation degree of data point from the fitting function, so the erroneous data can be effectively eliminated. Thus, the accurate distribution value of stray current along the metro track was obtained. Taking a metro station in a certain city as the prototype, the CDEGS simulation model was built to verify the proposed method. The simulation results showed that even under the condition of sampling data distortion, the method could directly calculate the stray current value in real time, which had strong fault tolerance. © 2020 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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“…Bidirectional active and reactive power transfer between EVs and MicroGrids (MGs) provides a chance to use them as distributed energy storage units [2][3][4]. This technology is called Vehicle-to-Grid (V2G) [5] which can provide many services such as reactive power compensation, voltage regulation, harmonic filtering, and primary frequency control [6][7][8][9][10][11]. This paper focuses on the last service, primary frequency control.…”

Section: Introductionmentioning

confidence: 99%

“…Defining a control framework is an essential requirement to successfully realize V2G concept. There are many different studies conducted on V2G control [6,7,[19][20][21][22][23], but our control framework is completely based on what has been proposed in [8], a particular decentralized V2G control framework for primary frequency regulation considering charging demands, because it considers the most complete form. Previous studies on V2G control have been limited to the simple models of EVs and Distributed Energy Resources (DERs) [8,[19][20][21][22][23][24], while an attempt to model them based on their power converters and control systems has been done in this paper in the light of recent relevant studies [14,[25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Short-term interaction between electric vehicles and microgrid in decentralized vehicle-to-grid control methods

Bayati

Abedi

Gharehpetian

et al. 2019

Prot Control Mod Power Syst

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In this paper, a particular standard MicroGrid (MG) is accurately simulated in the presence of the Electric Vehicles (EVs) participating in decentralized primary frequency control service. It examines effect of number of the participating EVs on the short-term dynamic behaviour. The simulation results confirm that frequency deviation will not definitely become zero even though an unlimited number of the EVs participate. The output power of each EV is determined according to the frequency deviation. On the other hand, the output power of each EV affects the value of the frequency deviation, especially in small-scale MGs and MGs with predominant inductance behaviour. Eventually, an equilibrium point is reached after a new EV is added that depends on the characteristics of the MG and the functions executed in the MG central controller during such a service. Additionally, effect of Reflex method, an advanced charging technique for EVs, on the frequency deviation is examined.

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Real-time vehicle-to-grid control for frequency regulation with high frequency regulating signal

Cited by 62 publications

References 17 publications

Cost Consensus Algorithm Applications for EV Charging Station Participating in AGC of Interconnected Power Grid

Cost Consensus Algorithm Applications for EV Charging Station Participating in AGC of Interconnected Power Grid

A New On‐line Monitoring Method for Stray Current ofDCMetro System

Short-term interaction between electric vehicles and microgrid in decentralized vehicle-to-grid control methods

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