Control and implementation of a standalone solar photo-voltaic hybrid system

Philip, Jincy; Jain, Chinmay; Kant, Krishan; Singh, Bhim; Mishra, Sukumar; Chandra, Ambrish; Haddad, Kamal Al

doi:10.1109/ias.2015.7356814

Cited by 21 publications

(11 citation statements)

References 18 publications

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“…In this theory the active (p) and reactive (q) components are estimated using voltage and current signals of the system [101]. The basic building block of ABT is illustrated in Fig 9. The active unit template (u abc ) and quadrature unit template (w abc ) are estimated using 3-phase grid voltages.…”

Section: A Conventional Control Algorithmsmentioning

confidence: 99%

Comprehensive Review of Distributed FACTS Control Algorithms for Power Quality Enhancement in Utility Grid With Renewable Energy Penetration

Chawda

Shaik

Mahela³

et al. 2020

IEEE Access

121

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Rapid industrialization and its automation on the globe demands increased generation of electrical energy with more reliability and quality. Renewable energy (RE) sources are considered as a green form of energy and extensively used as an alternative source of energy for conventional energy sources to meet the increased demand for electrical power. However, these sources, when integrated to the utility grid, pose challenges in maintaining the power quality (PQ) and stability of the power system network. This is due to the unpredictable and variable nature of generation by these sources. The distributed flexible AC transmission system (DFACTS) devices such as distributed static compensator (DSTATCOM) and dynamic voltage restorer (DVR) play an active role in mitigating PQ issues associated with RE penetration. The performance of DFACTS devices is mostly dependent on the type of control algorithms employed for switching of these devices. This paper presents a comprehensive review of various conventional and adaptive algorithms used to control DFACTS devices for improvement of power quality in utility grids with RE penetration. This review intends to provide a summary of the design, experimental hardware, performance and feasibility aspects of these algorithms reported in the literature. More than 170 research publications are critically reviewed, classified, and listed for quick reference for the advantage of engineers and academician working in this area. INDEX TERMS Adaptive control algorithm, conventional control algorithm, DFACTS device, modern utility grid, power quality, renewable energy source. ABBREVIATIONS 3P4W Three phase four wire 3P3W Three phase three wire ABT Admittance based theory ACA Adaptive control algorithm ADALINE Adaptive linear element theory ALMS Adaptive least mean square ANF Adaptive notch filter ANFIS Adaptive neuro-fuzzy inference system ARLS Adaptive recursive least square CCA Conventional control algorithm DFACTS Distributed flexible AC transmission system DSP Digital signal processing DSSSC Distributed static synchronous series compensator DSSC Distributed static series compensator DSTATCOM Distributed static compensator DSVC Distributed static var compensator DTCSC Distributed thyristor controlled series

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Section: A Conventional Control Algorithmsmentioning

confidence: 99%

Comprehensive Review of Distributed FACTS Control Algorithms for Power Quality Enhancement in Utility Grid With Renewable Energy Penetration

Chawda

Shaik

Mahela³

et al. 2020

IEEE Access

121

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“…In recent decades, solar photovoltaic (SPV) energy conversion systems have been considered as one of the most promising renewable sources of electrical energy throughout world . Research works on stand‐alone SPV system having battery storage are published in various articles . The stand‐alone system is used in diversified applications such as water pumping process, spacecraft, electric vehicle, and electrification in remote areas .…”

Section: Introductionmentioning

confidence: 99%

“…Research works on stand‐alone SPV system having battery storage are published in various articles . The stand‐alone system is used in diversified applications such as water pumping process, spacecraft, electric vehicle, and electrification in remote areas . Figure shows the schematic diagram of stand‐alone SPV system, which is connected to isolated load via DC‐DC boost converter and three‐phase voltage source inverter (VSI).…”

Section: Introductionmentioning

confidence: 99%

Failure detection‐less approach for wide sustained operation of MPPT based stand‐alone solar photovoltaic system during failure/disconnection of battery

Gayen

Saha

2020

Engineering Reports

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Batteries play an important role in stand-alone two-stage converter (boost converter and inverter) based solar photovoltaic (SPV) systems. Here, the maximum power point tracking (MPPT) operation of a stand-alone solar system is carried out with the usage of a battery by absorbing excess solar power. Nevertheless, instability (abnormal rise of DC link voltage) can appear during the real-time operation of the battery-based solar energy conversion system due to the action of the MPPT controller, if a sudden battery breakdown happens. In this respect, a failure detection-less solution is proposed. The suggested strategy restricts operation of the MPPT and helps to settle the output power of the SPV at non-maximum level on its P-V curve as per necessity. Thus, voltage instability at DC bus (link between boost converter and three-phase voltage source inverter [VSI]) is prevented. Here, the bus voltage can be kept within a predefined upper and lower limit. The limits are decided accordingly to the SPV characteristics. Simultaneously, the required load powers (both active and reactive portions) are supported by the VSI. In the proposed strategy, the output of the MPPT algorithm is restricted by adopting a saturation limit for a certain duty ratio. The critical task is to find the value of the saturation limit, as the limit supports all-time operations (it allows desired performances under all maximum power situations and avoids instability under all non-maximum operating conditions). The procedure of determining the limit is thoroughly described. The conventional approach uses a failure detection-based separate control algorithm. At the same time, the proposed concept does not require a separate algorithm. The suggested concept is validated via a MATLAB-SIMULINK-based simulation study and down-scaled experimental set up. K E Y W O R D Sbattery, failure detection-less approach, maximum power point tracking, solar photo-voltaic, stand-alone condition This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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“…The integration of a battery with SC creates a hybrid system which combines the attributes of high-energy density of a battery with the high-power density of SC [19]. With these complementary features, the hybrid energy system enhances the battery life through peak power saving and improved the dynamic response [20,21]. In the stand-alone hybrid PV system, both battery and SC operate in the voltage control mode to regulate the DC bus voltage [22,23].Whenever the battery current exceeds the predefined limit, the battery converter is operated in the current control mode to avoid the deep discharge of battery [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

A control strategy to enhance the life time of the battery in a stand‐alone PV system with DC loads

Maheswari

Rao

Sivakumaran

et al. 2017

IET Power Electronics

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This study proposes a unique control strategy to enhance the life time of the battery in a stand-alone photovoltaic (PV) system employing energy storage devices such as battery and super capacitor. The intermittent fluctuations in PV power and load power affect the DC bus voltage leading to a random and frequent charging/discharging profile of the battery since the controlling converters are operated as constant voltage sources. To overcome this drawback, the supercapacitor converter is commanded as a constant voltage source so as to adapt to varying load conditions and the battery converter is commanded as a constant current source. This strategy helps to decouple the power imbalances from the charge-discharge profile of battery, thereby contributing to the improved battery life. The detailed experimental results are presented. Further, the proposed control strategy is tested and validated under various scenarios.

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Control and implementation of a standalone solar photo-voltaic hybrid system

Cited by 21 publications

References 18 publications

Comprehensive Review of Distributed FACTS Control Algorithms for Power Quality Enhancement in Utility Grid With Renewable Energy Penetration

Comprehensive Review of Distributed FACTS Control Algorithms for Power Quality Enhancement in Utility Grid With Renewable Energy Penetration

Failure detection‐less approach for wide sustained operation of MPPT based stand‐alone solar photovoltaic system during failure/disconnection of battery

A control strategy to enhance the life time of the battery in a stand‐alone PV system with DC loads

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