Transportation electrification has become an important issue in recent decades and the large scale deployment of electric vehicles (EVs) yet to be achieved. The smart coordination EV demand addresses improvement flexibility power systems reduces costs system investment. uncertainty drivers’ behaviour is one main problems solve obtain optimal integration EVs into systems. In this paper, optimisation algorithm coordinate charging been developed implemented using a Genetic Algorithm (GA), where...

Buildings are one of the most important energy consumers in modern economy countries. The massive use electrical vehicles could help decarbonizing by using electricity produced renewable energy. Combined Vehicle to Grid (V2G), Home (V2H) and Building (V2B) is strategies increase number vehicles, ensure a better coupling between generation consumption, reducing peak demand increasing global efficiency. This research presents novel approach combined V2H V2B that can be applied different...

Congestion management is one of the core enablers smart distribution systems where distributed energy resources are utilised in network control to enable cost‐effective interconnection generation (DG) and better utilisation assets. The primary aim congestion prevent voltage violations overloading. algorithms can also be used optimise state. This study proposes a hierarchical concept for future networks having large‐scale DG other controllable MV LV networks. aims at operating minimum costs...

A workshop on power system harmonics was organized in Stockholm January 2014. On the agenda among others a discussion what are main issues at moment and near future. Some of discussed that presented this paper its companion paper. In following will be addressed: appearance emission higher frequencies (supraharmonics); need for new improved standards; measurement data analysis.

Sensors for monitoring electrical parameters over an entire electricity network infrastructure play a fundamental role in protecting smart grids and improving the network's energy efficiency. When short circuit takes place grid it has to be sensed as soon possible reduce its fault duration along damage well personal injuries. Existing protection devices, which are used sense fault, range from classic analog electro-mechanics relays modern intelligent electronic devices (IEDs). However, both...

This paper introduces a network topology identification (TI) method based on deep neural networks (DNNs) for online applications. The proposed TI DNN utilizes the set of measurements used state estimation to predict actual and offers low computational times along with high accuracy under wide variety testing scenarios. training process is duly discussed, several learning heuristics that may be useful similar implementations are provided. Simulations IEEE 14-bus 39-bus test systems reported...

This paper presents a new method to allocate the costs of transmission system among generators and loads. The allocation is calculated for each branch identify quantify individual responsibility A two-step based on perfect coupling circuit theory with Aumann-Shapley proposed here. First: determine participation in network, are modeled as current injections loads impedances. Second: cost sources used calculate real imaginary component "Allocation system" game by considering them independent...

This paper outlines a procedure for loss allocation in both radial and meshed distribution networks with distributed generation that could be regulated various ways. The method is analytically developed based on the theory of electrical circuits combined game Aumann-Shapley, which guarantees principles fair axioms theory. proposed obtains unitary participation coefficients each network user currents demanded/injected by topology. Aumann-Shapley has been compared other traditional methods,...

This paper shows a new algorithm in the natural abc coordinates to calculate current reference shunt active power filter. It modifies Fryze's based on classical theories for obtaining an optimal estimation when voltage utility is distorted. The aim of method twofold; first, mitigate harmonic components and second, improve factor system blocking reactive components. feasibility real-time applications has been tested with different waveforms results are compared by means total distortion grid...

A workshop on power system harmonics was organized in Stockholm January 2014. On the agenda among others a discussion what are main issues at moment and near future. The results of this summarized paper some discussed more detail its companion paper. This discusses emission from wind solar as well advantages disadvantages active passive filters.

This paper presents a methodology for optimal placement of DG units in power networks to guarantee the voltage profile, maximize loadability conditions normal and contingencies situations. The aims finding configuration, among set system components, which meets desired reliability requirements taking into account stability limits. Results shown indicate that proposed formulations can be used determine best buses are where addition small distributed generator greatly enhance whole network...

This paper proposes a co-simulator that combines OMNeT++ for communication systems with PSS/E the electrical transmission network. The applies an event-driven synchronization method minimizes errors due to delays in between both simulators. pauses simulation of power system at each event, while supervisory module returns control event simulator if any condition from pre-specified set is met. proposed demonstrated on protection based peer-to-peer and used evaluate effect latency times online...

The Purpose of the IDE4L project was to define, design, and demonstrate ideal grid for all, with an active distribution network that integrates renewable energy sources (RESs) new loads guarantees reliability classical networks. consists infrastructure power delivery, resources, management (ANM) combines passive ANM functionalities, automation information communication technology infrastructure. Active distributed resources (DERs) include generation (DG), demand, response, storage. concept a...

This paper proposes an area inertia estimator based on iterative equation error (EE) system identification (SI) approach. The value can be accurately extracted for areas of different compositions with penetrations converter-interfaced generators. Firstly, the internal frequency variation generator units is computed by means a divider-based estimator. Subsequently, these variations are used to carry out clustering, which provides groups coherent generators proposed Finally, EE SI approach...

In this paper, a new control strategy for power output smoothing in hybrid wave energy installation coupled to flywheel storage system (FESS) is proposed. The scheme composed by three stages: generator clustering process at the farm connection point; filtering process; and of order improve farm. proposed validated existing Lysekil Wave Energy Site located Sweden, using real measurements. Results show that application reduces maximum peak from 85% peak/average ratio 76%. It shown can reduce...

Wind turbines may have an important impact on power quality. Flicker is a more serious issue for fixed-speed wind because these produce electric following the variations of incident wind. During continuous operation, will result in fluctuations and consequently voltage fluctuations. It necessary to evaluate flicker emission level, traditionally time domain simulations been used perform analysis. This paper presents complete frequency model study produced during operation. The includes...

In the last decade, main attacks against smart grids have occurred in communication networks (ITs) causing disconnection of physical equipment from power (OTs) and leading to electricity supply interruptions. To deal with deficiencies presented past studies, this paper addresses vulnerability assessment considering grid as a cyber-physical heterogeneous interconnected system. The model system is composed network information technology (ICT) both are interrelated by means control installed...