Photovoltaic converter system suitable for use in small scale stand-alone or grid connected applications

Gow, John; Manning, C.D.

doi:10.1049/ip-epa:20000789

Cited by 62 publications

(19 citation statements)

References 9 publications

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“…To obtain the maximum efficiency of the system, the PCS must keep the power extracted from the PV panels close to the maximum power point (MPP). Several solutions for PCS with maximum power point tracking (MPPT) capability have been recently proposed, based on both singlestage (Kuo et al, 2001) and double-stage converter topologies (Gow et al, 2000). This paper deals with a single-phase, single-stage PCS configuration, using a simple and effective MPPT embedded algorithm.…”

Section: Introductionmentioning

confidence: 99%

A MPPT Algorithm for Single-Phase Single-Stage Photovoltaic Converters

Grandi

Rossi

Casadei

2005

IFAC Proceedings Volumes

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A maximum power point tracking algorithm for single-stage converters connecting photovoltaic panels to a single-phase grid is presented in this paper. The algorithm is based on the processing of current and voltage low-frequency oscillations introduced in the PV panels by the single-phase utility grid. The algorithm has been developed to allow an array of PV modules to be connected to the grid by using a single-stage converter. This simple structure yields higher efficiency and reliability when compared with standard solutions based on double-stage converters configuration. The proposed maximum power point tracking algorithm has been numerically simulated and experimentally verified by means of a converter prototype connected to a single-phase grid. Copyright C 2005 IFAC

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Section: Introductionmentioning

confidence: 99%

A MPPT Algorithm for Single-Phase Single-Stage Photovoltaic Converters

Grandi

Rossi

Casadei

2005

IFAC Proceedings Volumes

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“…The use of a PV system to supply an AC load is possible after transforming the DC power from PV arrays into utility-grade AC power via static inverters [2][3][4]. The simplest topology that can be used for this conversion is the 2-level inverter that consists of 4 switches.…”

Section: Introductionmentioning

confidence: 99%

Selective harmonics elimination PWM with self-balancing DC-link in photovoltaic 7-level inverter

Imarazene¹,

Chekireb²,

Berkouk³

2016

Turk J Elec Eng & Comp Sci

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Abstract:In this paper, a new DC-link balancing method for a 7-level inverter fed by a photovoltaic system is proposed.The proposed redundant state technique is associated with selective harmonics elimination (SHE)-PWM instead of space vector (SV)-PWM. The switching angles related to the SHE are computed via the resultant theory method. Moreover, the study of this inverter is carried out on its equivalent matrix model. On the basis of this model, the link between the capacitor voltage, switching states, and load current is established. This allows understanding the switching redundancies' effect on the DC capacitor voltage balance. An algorithm is then developed to select the appropriate switching state, since there are 300 switching states and 720 unbalanced cases of the voltage capacitor. The proposed balancing method is tested in the case where the input DC inverter is provided by a photovoltaic generator (PVG) system and feeding an induction motor. The obtained results show that the 6 DC PVG capacitor voltages are kept balanced while cancelling the most undesirable harmonics row (5th, 7th, and 11th) in the inverter output voltage. Thus, using this cascade, photovoltaic supplying DC power can be amplified into high quality AC power.

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“…Therefore, the annual growth of the world PV industry has reached an average of 30% during the past decade [4,5]. PV power generators can be classified into stand-alone systems and grid-connected generators [6].…”

Section: Introductionmentioning

confidence: 99%

The Required Land Area for Installing a Photovoltaic Power Plant

Al-Khazzar

2017

IJEE

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A B S T R A C TTill now the conversion efficiency of the commercial photovoltaic (PV) solar modules is in the range of 14 to 20%. Therefore, PV power plants need very large area to achieve the desired output power. This paper presents some proper calculations to estimate land area occupied by the PV array. Calculations for the minimum and the maximum land area for a range of PV array with power capacity from 1 to 250 kW for different latitudes in the northern hemisphere were presented. Six different PV modules were selected for the calculation. A group of correlations are presented to roughly estimate both the land area and the number of PV modules per row as a function of the total power capacity required. In addition, correlations suggested to calculate the spacing between the rows in the PV array as a function of local latitude.

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Photovoltaic converter system suitable for use in small scale stand-alone or grid connected applications

Cited by 62 publications

References 9 publications

A MPPT Algorithm for Single-Phase Single-Stage Photovoltaic Converters

A MPPT Algorithm for Single-Phase Single-Stage Photovoltaic Converters

Selective harmonics elimination PWM with self-balancing DC-link in photovoltaic 7-level inverter

The Required Land Area for Installing a Photovoltaic Power Plant

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