Power systems must be prepared to match the current growing demand for electrical energy. In this paper, transmission network plays an important role, delivering electric power generated in conventional plants load centers. For last 45 years, expansion planning (TNEP) problem has been widely studied; nowadays, TNEP, combined with new challenges, is being highly investigated, as researchers aim reach a better solution. This paper presents complete review and classification of most significant...

In this work, a new methodology based on mixed integer linear programming formulation is proposed to solve the optimal charging coordination of electric vehicles (EVs) in unbalanced electrical distribution systems (EDS) considering vehicle-to-grid (V2G) technology. The steady-state operation EDS represented using real and imaginary parts voltages currents at nodes circuits respectively. Distributed generation (DG) imbalance system loads are taken into account. developed method defines an...

In this paper, a new approach is presented to solve the electric vehicle charging coordination (EVCC) problem considering Volt-VAr control, energy storage device (ESD) operation and dispatchable distributed generation (DG) available in three-phase unbalanced electrical distribution networks (EDNs). Dynamic scheduling for EVCC proposed through step-by-step methodology, which solves mixed integer linear programming (MILP) whole time period. The objective minimize total cost of purchased from...

The growing uptake of electric vehicles (EVs) will likely require management schemes to enable their connection into distribution systems.While most the existing approaches are developed from operator's perspective considering EV aggregated demands at medium-voltage (MV) level, individual users' comfort and particularities associated with low-voltage (LV) networks need be considered holistically assess effects in an integrated MV/LV network.This article proposes a two-level hierarchical...

Maintenance in transmission networks is an economical way to reduce upgrading network costs without decreasing its reliability. Hence, new studies regarding expansion planning (TEP) must take into account the effects of maintenance order obtain realistic and economic investment plans. This work presents a novel framework for multistage TEP, considering line maintenance, i.e. cost system, losses, old-line replacement newly constructed replaced are simultaneously optimised. The advantage this...

Abstract This work presents a novel strategy, designed from the distribution system operator viewpoint, aimed at estimating hosting capacity in electric systems when controllable plug‐in vehicles are place. The strategy seeks to determine maximum wind‐based distributed generation penetration by coordinating, on forecast basis, dispatch of vehicle aggregators, operation voltage regulation devices, and active reactive power injections. Different previous works, proposed approach leverages...

In the distribution system, customers have increasingly use renewable energy sources and battery storage systems (BESS), transforming traditional loads into active prosumers. Therefore, methodologies are needed to provide prosumers with tools optimize their investments increase business opportunities. this paper, a stochastic mixed integer linear programming (MILP) formulation is proposed solve for optimal sizes of prosumer assets, considering BESS photovoltaic (PV) units. The objective...

Merchant-owned charging stations will replace gasoline in the near future. As times of electric vehicles (EV) may be significant, without optimization, customers wait to get charged knowing actual period charging. In addition, facility not aware optimum power levels and time minimize costs. this paper, an optimal EV method is proposed that minimizes total cost for a merchant-owned with multiple chargers. The formulation considers energy costs, demand charge, connected transformer capacity,...

In this work, a MILP formulation is proposed to solve the optimal charging coordination of electrical vehicles (EVs) and storage devices (SDs) in distribution systems (EDS). EVs with vehicle-to-grid (V2G) technology are also considered. The method defines an schedule for SDs along day-long time period. considers arrival departure times their initial state charge. energy, expected energy at end period allowed deep discharge considered SDs. Additionally, contribution equipped V2G distributed...

Federal energy regulatory commission (FERC) Order #2222 prescribes that distributed resources (DERs) with 100 kW or more capacity in aggregate should be allowed to participate organized electricity markets. Most aggregation is via a combination of disparate DER technologies such as solar, wind, storage, electric vehicles, and smart load units. Another stumbling block enabling participation DERs markets the limitation. However, there lack aggregator models literature gainfully allow are...

This research proposes a new approach for the problem of FACTS equipment optimal location in transmission system. SVC and TCSC devices help to increase controllability flow over lines at same time enhance system stability. A meta-heuristic algorithm is developed efficiently find good quality solution. The evaluates one objective function both steady state benefits stability enhancement that device or provide There no limit may be installed as long each justifies its investment cost by...

Hydrogen-based railway (Hydrail) vehicles are rising as a solution that decreases the environmental impact caused by carbon emissions from diesel engines and at same time avoids enormous capital costs associated with direct electrification (DE) of rail lines. This article introduces new technoeconomic models for inclusion Hydrail in electricity markets. Exploiting size flexibility large demand imparts, price-taker price-maker scenarios outlined compared. Furthermore, this presents novel...

Many distribution networks are operating based on uniform energy price rate for all the system nodes. However, with high penetration of distributed resources (DER), storage (ES) and flexible demands (FD), there is a big opportunity to optimally operate networks. In this context, locational marginal pricing (DLMP) can be employed, similar that whole-sale electricity market, as mechanism. The main advantage DLPM it count network losses congestion, so ensure competitive fair participation...

Hydrogen-based railway (Hydrail) vehicles are rising as a solution that decreases the environmental impact caused by carbon emissions from diesel engines and at same time avoids enormous capital costs associated with direct electrification (DE) of rail lines. This article introduces new technoeconomic models for inclusion Hydrail in electricity markets. Exploiting size flexibility large demand imparts, price-taker price-maker scenarios outlined compared. Furthermore, this presents novel...

Abstract Reducing the cost of distributed energy resources (DERs) such as renewables, storage, electric vehicles and smart loads is driving their increased connection to distribution systems. Extracting maximum benefits from DERs require liberalising systems by allowing: (1) a transactive market (DTEM) operated local operator (LDO) (2) peer‐to‐peer (P2P), peer‐to‐LDO (P2LDO) Transmission‐to‐LDO (T2LDO) type transactions. A DTEM will bring several as: enhanced economic opportunity for DERs,...

A mixed integer linear programming (MILP) formulation is proposed in this paper to solve the problem of optimal charging coordination electric vehicle (EVs) unbalanced electrical distribution system (EDS) considering vehicle-to-grid (V2G) technology. The imbalance circuits and loads has been taken into account. developed method defines an schedule for EVs which considers arrival departure times their state charge; energy contribution equipped with technology distributed generators are...

Power Electronics Interfaced Resources can contribute in power oscillation damping via active/reactive modulation. To do so effectively their relative electrical location needs to be identified. This paper presents a novel approach based on Dynamic Mode Decomposition (DMD) estimate the distance between bus and sources. The DMD makes use of wide area measurements determine dominant mode its shape. sources are identified from shape, while L2 norms them rest vectors computed obtain normalized...

In this paper, a new mixed integer linear programming formulation is proposed to optimally control the Volt-VAr devices installed in balanced electrical distribution system (EDS), taking into account presence of dispatchable distributed generation (DG) units. The considers voltage dependent load model and aims reduce cost energy purchased substation DG units on daylong time period. method defines settings for regulators, on-load tap changer, capacitors, presented was tested 42-node EDS...