Electric vehicles (EVs) are regarded as one of the most effective tools to reduce oil demands and gas emissions. And they welcome in near future for general road transportation. When EVs connected power grid charging and/or discharging, become gridable (GEVs). These GEVs will bring a great impact our society thus human life. This paper investigates discusses opportunities challenges connecting with grid, namely, vehicle-to-home (V2H), vehicle-to-vehicle (V2V), vehicle-to-grid (V2G)...

This paper presents an integrated control scheme for vehicle-to-grid (V2G) operation in the distribution grid with renewable energy sources. A hierarchical framework is proposed V2G applications, and mathematical models are built both smart charging constraints. power regulated to minimize total operating cost (TOC) while providing frequency regulation. The simulation results verify algorithm coordinating distributed electric vehicle (EV) aggregations varying wind daily load. For dynamic...

This paper present the transient stability analysis of a power grid, which integrates both superconducting magnetic energy storage (SMES) and gridable vehicles (GVs). Also, vehicle-to-grid (V2G) operation is devised to control GVs charge from or discharge grid. Simulations various faults are carried out under different penetration proportions SMES V2G power. The results load angle response system voltage given illustrate that can enhance Moreover, simultaneous use further improve dynamic...

With the increasing capacity of large-scale electric vehicles, it's necessary to stabilize fluctuation charging voltage in order achieve improvement lithium-ion battery lifecycle, and hybrid energy storage system (HESS) including superconducting magnetic (SMES) is introduced, which significant reduce high frequency discharge cycles manage state charge (SOC) for batteries with an optimized integration scheme based on power grading approach. unscented Kalman filter (UKF) method SOC estimation...

Providing ancillary services through flexible electric vehicle (EV) charging has the potential to offer extra market benefit for EVs. EV aggregator controlling a fleet of EVs can play significant role in managing considerable demand and bid electricity markets. The increasing penetration created feasibility participating both day-ahead energy frequency regulation market. This article presents multimarket optimization model minimizing net operation cost considering from performing regulation....

A combined delivery of economic dispatch and frequency regulation (FR) services from electric vehicles (EVs) is proposed to exploit the dynamic flexibility EV charging load its revenue opportunities in electricity markets. The feasibility assessed with operation model EVs for optimal bidding day-ahead energy market FR market. optimization adopts hierarchical control framework aggregator (EVA) as intermediate unit interact power system operator. As are paid based on their actual performance,...

Integrating power-to-heat (P2H) assets in combined heat and power plants (CHPs) is an attractive option, which can improve the flexibility CHPs. This paper compares potential benefits of integrating electrical boiler (EB) a pump (HP) CHP from providing services both day-ahead market frequency regulation market. An optimization model developed for operation P2H to maximize profit. A case study carried out using data real electricity prices Nord Pool. It found that when EB or HP integrated,...

With the increasing penetration of distributed photovoltaics (PVs), operation and control distribution networks (DNs), especially voltage control, have become more complicated. To deal with violation problem caused by large-scale PV access, this paper presents a fully optimization method that combines alternative direction multiplier (ADMM) branch bound (BBM) for regional DNs. The total cost active power losses generation is minimized making full use regulation resources, e.g., reactive...

This paper proposes a new DC micro-grid system, which fully utilizes the renewable energy and electric vehicle for smart delivery. The proposed grid incorporates AC supply module, standby storage module together, to execute distribution. Hence, this system can offer high quality power three types of loads, namely 110V single-phase output, 48V 100V output. control strategy performing delivery will be discussed in full paper. simulation results also given verify four operation modes system.

Renewable energy is a key technology in reducing global carbon dioxide emissions. Currently, penetration of intermittent renewable energies most power grids low, such that the impact energy's intermittency on grid stability controllable. Utility scale storage systems can enhance with increasing share energies. With communication network smart grids, mobile battery electric vehicles and plug-in hybrid also be used for ancillary services grids. This paper will review stationary voltage...

In this Letter, we propose and experimentally validate a high-fidelity adaptive forward-phase-based vibration sensing using Wiener filter (WF). commercial coherent digital subcarrier multiplexing (DSCM) systems under external cavity lasers (ECLs), frequency-domain pilot tones (FPTs) in intervals are employed for dynamic frequency offset estimation (FOE), carrier phase (CPE), polarization demultiplexing. The estimated by the CPE module is processed with WF to achieve extraction of...

Digital subcarrier multiplexing (DSCM) systems offer flexibility and software configurability, making them promising for point-to-multipoint (P2MP) communications. Meanwhile, DSCM exhibit enhanced communication damage tolerance capabilities monitoring compensation. These include to equalized phase noise (EEPN) high-speed Polarization State (SOP) tracking. The intervals in naturally allow the insertion of pilot or training sequences. This facilitates functionality integrated sensing...

A combined heat and power plant (CHP) has the ability to provide ancillary services therefore, can contribute improvement of flexibility reliability system. To motivate CHPs services, this work investigated potential benefit for from participating simultaneously in day-ahead frequency regulation markets. new CHP model was proposed, which considers both recovery flue gas condensation thermal energy storage. Based on multi-market optimization using real market prices, it be concluded that...

This paper quantitatively compares three advanced magnetless machines, namely the switched reluctance (SR) machine, double-stator SR (DS-SR) machine and DS multitoothed (DS-MSR) machine. The DS-SR is particularly favorable for low-torque highspeed operation while DS-MSR desirable high-torque low-speed operation. Because of more effective power transfer by using two stators, machines achieve better performances than single-stator counterpart. All are analyzed time-stepping finite element method.

This paper presents a methodology for evaluating the techo-economic feasibility of mixed AC and DC distribution network to replace existing with large-scale integration photovoltaic energy sources. Economic dispatch AC/DC system is formulated in presence power electronic transformer (PET) flexible control flows while maintaining reliability constraints terms bus voltage, branch current carrying capacity, efficient operation converters. Furthermore, configuration PET losses converters...

In recent years, electric vehicles (EVs) have been widely accepted by general publics due to their low emissions. Particularly, those EVs which are able be connected power grid earned lots of attention. this paper, a multilayer framework is newly proposed for vehicle-to-grid operation. gridable can serve as resources provide capacity and energy service or loads charged directly. The corresponding aggregator works smart controller the framework, responsible forming aggregations determining...

With the growing plug-in hybrid electric vehicles (PHEVs) integrated into power grid, a large number of on-board batteries need to be charged via infrastructure such as dedicated charging station and parking lots. In this paper, control framework is proposed manage discharging by using vehicle-to-grid technology. order analyze effect PHEV grid corresponding coordinated strategies, paper describes simulation model. Initially, uncontrolled scenarios are performed. The load flow algorithm...

This paper discusses skid steering applied to four wheel drive electric vehicles. In such vehicles, is achieved by differentially varying the speeds of lines wheels on different sides vehicle in order induce yaw. Skid steer wheeled vehicles require elaborate tire model, so author choose unite semi-empirical model. From this longitudinal and lateral force can be calculated slip ratio directly. The model has 3-DOF, longitudinal, yaw direction, irrespective suspension. Induction motor chosen as...

The free-piston generator is an energy conversion device which integrates a combustion engine and linear electrical into single unit. Due to its benefits in simple structure, high efficiency robustness, the very suitable for application series hybrid electric vehicles. This paper proposes magnetic-geared machine generator. It magnetic gear with permanent magnet synchronous (PMSM), can achieve higher force density power than conventional machines. By using finite element method (FEM),...

The superconducting magnetic energy storage (SMES)-based vehicle-to-grid (V2G) application has the characteristics of dynamic power response, well instantaneous stability and system quality for smart grid, ability to reduce standby capacity traditional peak load adjustment frequency modulation. And three-phase reversible voltage source converter (VSC) is key interface achieve bidirectional flow between electric vehicle grid. mathematic model active damping LCL-type VSC-based on multi-state...