This paper proposes a new variable structure control scheme for variable-speed, fixed-pitch ducted wind turbine, equipped with an annular, brushless permanent-magnet synchronous generator, considering back-to-back power converter topology. The purpose of this is to maximise the aerodynamic over entire speed range, mechanical safety limits turbine. ideal characteristics are achieved design laws aimed at performing maximum point tracking in low speeds region, and constant speed, power, torque...

Abstract The increasing integration of distributed energy resources such as photovoltaic (PV) systems into distribution networks introduces intermittent and variable power, leading to high voltage fluctuations. High PV can also result in increased terminal the network during periods generation low load consumption. These problems be solved by optimal utilization reactive power capability a smart inverter. However, solving optimization problem using detailed mathematical model may...

Electric vehicle supply infrastructures represent a valid mean to integrate and encourage electric mobility, ensuring safe integration of (EV), renewable sources, controllable devices. Management these under DC microgrid framework is affected by EV usage pattern, involving stochastic features, vehicle-to-grid ability, yielding the need suitable operation strategy assessment. This article focused on analyses day-ahead performances based solution different optimization algorithms, technical...

Existing electric power distribution systems are evolving and changing as a result of the high renewable energy sources integration. Hence, future smart networks will involve various technical challenges; one them is real-time monitoring controlling network to operate it effectively efficiently. This paper develops analyzes cyber-physical co-simulation testbed for reactive control in network. The two-layer system, with Typhoon HIL 604 representing physical layer other cybernetic layer. used...

The increasing penetration of renewable energy resources (RES) in transmission system operating conditions require a suitable test and dataset to cope with current issues. RES remarkably affects day-ahead market outcomes regarding zonal prices dispatched generation levels. For this purpose, models the presence mix need be implemented. In paper, IEEE 39-bus has been suitably modified include solar wind traditional mix. Hourly time series are used define load profiles power generation. (ZDAM)...

With the rise of integration renewable energy sources, operating characteristics existing electric power distribution systems are evolving and changing. As a result, digitalisation network is gaining attention for effective real-time monitoring control. Cyber-Physical cosimulation one options implementing testing novel concepts ideas before actual implementation on network. Therefore, this paper presents some experiences cyber-physical testbed in Moreover, methodology, possible challenges...

Reaching net-zero emissions within the proposed time requires an enormous effort from energy sector, and it is even more challenging for electricity infrastructure. This article offers a modified version of IEEE 39-bus system specifically created to allow zonal day-ahead market (ZDAM) simulations. The representation based on original but considers integration renewable resources (RES) in generation mix: solar wind. Hourly series are used define load profiles wind power generation. dayahead...

Modern power systems are experiencing unprecedented penetration of integrating renewable energy sources (RES) to tackle the so-called climate emergency. But transition from synchronous generators converter-interfaced also produces a few issues, some them directly related reduction (or lack) rotational inertia. The voltage source converters (VSCs) enabled with grid-forming control may provide solution for converter-dominated electrical systems. This paper presents implementation two...

The problem of electric network expansion has different implications concerning the definition criteria for comparison candidate projects. Transmission planning usually involves a set economic and technical influences on market framework operation over defined scenario evolutions, or even combining generation transmission planning, although application to real-sized networks implies cost-benefit analysis. In this paper, methodology performance analysis development projects is proposed,...

Distribution grids are subject to a drastic evolution in their operating conditions due the high integration of renewable energy resources (RES) and ability regulate voltage. To cope with this issue, modern solar photovoltaic (PV) systems equipped smart inverters enabled communication capabilities that allow coordinated operation offer services such as controlling voltage by appropriately setting reactive power production. This paper proposes co-simulation framework for converter control...

Offshore wind power plants (OWPPs) are useful for achieving renewable spread targets, but they pose significant technological obstacles integration into transmission networks. An appropriate OWPP to network connection method can enable production routing and system service provision. Different AC schemes OWPPs analyzed in this paper, with a focus on new 66 kV standard voltage high-voltage levels, as well technical insight cable capability losses based length, economic analysis through proper...

The penetration of distributed energy resources (DER) is growing significantly in recent times, especially the integration distribution systems (DS). transition a DS from no DER to high must avoid unfavourable operating conditions. For this purpose, hosting capacity (HC) concept has been introduced years assess installation issues. This study applies time-series HC methodology an MV radial network devoid any evaluate features between maximum assessed on examined buses and load behaviours...

The inclusion of electric vehicle stations in microgrids can allow to exploit source controllability obtain a safer network integration and hence sustain mobility diffusion. photovoltaic systems storage DC microgrid easily enable vehicle-to-grid functionality. In this paper, performances different configurations with are evaluated, by solving alternative optimal operation procedures, aiming at minimum cost power exchange on daily horizon, deriving proper technical economic indicators....

In the current regulatory framework and market environment, transmission network is required to perform correctly in a wide range of conditions. The possibility build reinforcements implies careful evaluation influences on different engineering, social economic aspects. this paper, methodology for technical benefit development projects proposed. To purpose, flow-based approach exploited, including algorithm operation analysis with security issues.

Abstract The diffusion of offshore wind power plants (OWPPs), useful to fulfil renewable policy targets, implies several technological challenges for integration in transmission network. definition the OWPP connection network affects possible exploitation assets, involves an evaluation active losses and loadability points out need compensation devices, order comply with rules fixed by grid operator. This paper proposes a methodology determine most suitable electric based on high‐voltage...