An efficient architecture of a PV plant for ancillary service supplying

Andreotti, Amedeo; Pizzo, A. Del; Rizzo, R.; Tricoli, Pietro

doi:10.1109/speedam.2010.5542268

Cited by 24 publications

(6 citation statements)

References 15 publications

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“…Fig. 4-a shows the behavior of T tot,peak as a function of k 1 , clearly evidencing a minimum value in k 1,m ; the curve k 2 (k 1 ) given by (2) is shown in fig. 4 The minimum in fig.…”

Section: Control Techniquementioning

confidence: 94%

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Torque-oscillations damping in micro-cogeneration units with high brake mean pressure engines and PM-brushless generators

Capaldi

Pizzo

Rizzo

et al. 2012

2012 IEEE International Energy Conference and Exhibition (ENERGYCON)

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The paper discusses the concept and the overall performance of a 20 kW micro-cogeneration unit, suitable for distributed energy conversion and based on a 4-cylinder, supercharged methane fuelled, spark ignited, internal combustion engine (ICE). The latter is coupled to a three-phase PM-brushless electric generator, whose armature is controlled by an active front-end [12,14]. The ICE is derived from a widespread Diesel unit, which has been properly modified; it is chosen among many other engines as a reliable, very high efficiency, cost effective unit [6], suitable for energy conversion systems (such as residential or commercial applications). The paper starts by defining the criterion which led to the adoption of a high brake mean pressure, in order to produce the above mentioned electric power. After the description of the solutions adopted to optimize the ICE operation performance, a very simple and efficacious control strategy of the generator+converter set is presented. This technique is able to conveniently reduce the magnitude of shaft-torque ripple produced by a high brake mean pressure (and consequently cycle peak pressure), in order to reduce vibrations, noise and rotating speed oscillations. The control is based on assigned curves of ICE torque vs. shaft angular position. Some considerations are also made to define the right generator sizing, in order to allow an efficacious damping action, maintaining good efficiency levels of the generator+converter set. The effectiveness of the control is validated by a series of numerical results in significant operating conditions.

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“…Fig. 4-a shows the behavior of T tot,peak as a function of k 1 , clearly evidencing a minimum value in k 1,m ; the curve k 2 (k 1 ) given by (2) is shown in fig. 4 The minimum in fig.…”

Section: Control Techniquementioning

confidence: 94%

“…Since some years the distributed generation is characterizing the modern electric grids, which must necessarily become smarter [1,2]. The expected enlargement of the really liberalized energy market requires efficient and safe energy management.…”

Section: Introductionmentioning

confidence: 99%

Torque-oscillations damping in micro-cogeneration units with high brake mean pressure engines and PM-brushless generators

Capaldi

Pizzo

Rizzo

et al. 2012

2012 IEEE International Energy Conference and Exhibition (ENERGYCON)

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“…1. PV arrays have been modeled by a voltage source controlled by their supplied current [10,11]; in particular the following law has been taken into account:…”

Section: System Configurationmentioning

confidence: 99%

A Photovoltaic Power Unit Providing Ancillary Services for Smart Distribution Networks

Filgueira-Vizoso

Piegari

Tricoli

2024

RE&PQJ

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Abstract. This paper deals with grid-connected photovoltaic (PV) power plants for supplying ancillary services to the distribution grid. The power converter, interfacing the photovoltaic system with the grid, can be controlled in order to achieve both the primary goal of power generation and the chosen ancillary services. In particular, in the paper, a power converter configuration with an opportune control algorithm is suggested; they make the photovoltaic system capable of generating the maximum power available from the solar source and, at the same time, capable of contributing to the voltage regulation of the grid and to the suppression of the current harmonics absorbed by loads close to the system. The control strategy is then applied to a sample grid-connected PV unit, simulated in Matlab Simulink environment. Numerical results, showing the effectiveness of the proposed solution, are reported.

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“…Single-phase and three-phase VSIs coupled with isolating transformers are often preferred to ensure galvanic isolation and alter the output voltage value [129], [149]- [152]. In [153], a linear model in the stationary frame was developed for a VSI connected to the utility grid through ∆-Y and Y-Y transformers.…”

Section: ) Classification According To Inverter Topologymentioning

confidence: 99%

Review of Multifunctional Inverter Topologies and Control Schemes Used in Distributed Generation Systems

Teke¹,

Latran²

2014

Journal of Power Electronics

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Recent developments in power electronics technology have spurred interest in the use of renewable energy sources as distributed generation (DG) generators. The key component in DG generators is a grid-connected inverter that serves as an effective interface between the renewable energy source and the utility grid. The multifunctional inverter (MFI) is special type of grid-connected inverter that has elicited much attention in recent years. MFIs not only generate power for DGs but also provide increased functionality through improved power quality and voltage and reactive power support; thus, the capability of the auxiliary service for the utility grid is improved. This paper presents a comprehensive review of the various MFI system configurations for single-phase (two-wire) and three-phase (three-or four-wire) systems and control strategies for the compensation of different power quality problems. The advances in practical applications and recent research on MFIs are presented through a review of nearly 200 papers.

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An efficient architecture of a PV plant for ancillary service supplying

Cited by 24 publications

References 15 publications

Torque-oscillations damping in micro-cogeneration units with high brake mean pressure engines and PM-brushless generators

Torque-oscillations damping in micro-cogeneration units with high brake mean pressure engines and PM-brushless generators

A Photovoltaic Power Unit Providing Ancillary Services for Smart Distribution Networks

Review of Multifunctional Inverter Topologies and Control Schemes Used in Distributed Generation Systems

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