A Single-Stage Grid-Connected High Gain Buck–Boost Inverter With Maximum Power Point Tracking

Sreekanth, T.; Lakshminarasamma, N; Mishra, Mahesh K.

doi:10.1109/tec.2016.2633365

Cited by 66 publications

(37 citation statements)

References 19 publications

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“…The presented system has several desirable advantages such as low switching loss, high gain, and compact size that construct this GCSS appropriate for PV systems, where the PV system output voltage is low and differ with time. Design of the developed GCSS apparatus with required derivation and equations of both voltage and current control loop necessary for operation are presented [8] Fig 6. Equivalent PV diode module cell structure …”

Section: Maximum Output Voltagementioning

confidence: 99%

Nine Level H Bridge Grid Connected Inverter Operated Photovoltaic Module Using Matlab

Begum¹,

Shanmugasundaram²,

Kalam³

2017

IOSR JEEE

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Section: Maximum Output Voltagementioning

confidence: 99%

Nine Level H Bridge Grid Connected Inverter Operated Photovoltaic Module Using Matlab

Begum¹,

Shanmugasundaram²,

Kalam³

2017

IOSR JEEE

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“…However, in total, the topology in [22] had four switches, eight diodes, and four inductors. The tapped-inductor buck-boost inverter topologies presented in [23,24], as shown in Figure 2b,c, respectively, can achieve a much higher voltage gain than the traditional ones, but the switch counts were up to eight, whereas [25,26] had five switches, as presented in Figure 2d. The advantage of the topologies in [25,26] is that only one high-frequency switch was used, and thus, the switching losses were lower.…”

Section: Introductionmentioning

confidence: 99%

A Family of Single-Stage, Buck-Boost Inverters for Photovoltaic Applications

et al. 2020

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This paper introduces a family of single-stage buck-boost DC/AC inverters for photovoltaic (PV) applications. The high-gain feature was attained by applying a multi-winding tapped inductor, and thus, the proposed topologies can generate a grid-level AC output voltage without using additional high step-up stages. The proposed topologies had a low component count and consisted of a single magnetic device and three or four power switches. Moreover, the switches were assembled in a push-pull or half/full-bridge arrangement, which allowed using commercial low-cost driver-integrated circuits. In this paper, the operation principle and comparison of the proposed topologies are presented. The feasibility of the proposed topologies was verified by simulations and experimental tests.

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“…[13] investigated the influence of inverter controller parameters and photovoltaic array structure on the oscillation frequency and damping ratio in large-scale photovoltaic grid-connected power generation systems. Moreover, the maximum power point tracking (MPPT) control is a research hotspot in photovoltaic systems [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Study on a Simplified Structure of a Two-Stage Grid-Connected Photovoltaic System for Parameter Design Optimization

Xie¹,

Luo²,

Qiu³

et al. 2019

Energies

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Conventional parameter designs of two-stage grid-connected photovoltaic (PV) system relied on its mathematical model of the cascade structure (CS), but the procedure is excessively cumbersome to implement. Besides, for a two-stage converter system, the coupling interaction between the power converters can directly lead to a poor parameter design. To overcome this drawback, this paper uses a simplified structure (SS) of single-phase two-stage grid-connected PV system to better design the parameters of the front-stage dc-dc converter. After establishing the small-signal model for SS and CS in the PV system, the relative eigenvalue sensitivity is used as the criterion for judging the influence of some parameters on the stability of the two structures. The stable boundary of MPPT control parameters is compared and discussed in SS and CS, respectively. In addition, the relationship between the front-stage dc-dc converter and the rear-stage dc-ac inverter is analyzed by the modal participation factor calculated in CS. An experiment is also performed at the end of this paper to further verify the feasibility of using SS to design the parameters of the dc-dc converter in the PV system.

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A Single-Stage Grid-Connected High Gain Buck–Boost Inverter With Maximum Power Point Tracking

Cited by 66 publications

References 19 publications

Nine Level H Bridge Grid Connected Inverter Operated Photovoltaic Module Using Matlab

Nine Level H Bridge Grid Connected Inverter Operated Photovoltaic Module Using Matlab

A Family of Single-Stage, Buck-Boost Inverters for Photovoltaic Applications

Study on a Simplified Structure of a Two-Stage Grid-Connected Photovoltaic System for Parameter Design Optimization

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