Novel battery charging regulation system for photovoltaic applications

Koutroulis, Eftichios; Kalaitzakis, K.

doi:10.1049/ip-epa:20040219

Cited by 129 publications

(65 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Over the years, various types of battery charging systems have been developed for use with solar applications [13]- [16]. Among them, the three-stage charging method is said to be the most suitable method for photovoltaic applications [17].…”

Section: A Battery Charging Controlmentioning

confidence: 99%

Single Sensor Charging System with MPPT Capability for Standalone Streetlight Applications

Osman¹,

Rahim²,

Selvaraj³

et al. 2015

Journal of Power Electronics

View full text Add to dashboard Cite

Maximum power point tracking (MPPT) and battery charging control are two important functions for a solar battery charger. The former improves utilization of the available solar energy, while the latter ensures a prolonged battery life. Nevertheless, complete implementation of both functions can be complex and costly, especially for low voltage application such as standalone street lamps. In this paper, the operation of a solar battery charger for standalone street light systems is investigated. Using only one voltage sensor, the solar charger is able to operate in both MPPT and constant voltage (CV) charging mode, hence providing high performance at a low cost. Using a lab prototype and a solar simulator, the operation of the charger system is demonstrated and its performance under varying irradiance is validated.

show abstract

Section: A Battery Charging Controlmentioning

confidence: 99%

Single Sensor Charging System with MPPT Capability for Standalone Streetlight Applications

Osman¹,

Rahim²,

Selvaraj³

et al. 2015

Journal of Power Electronics

View full text Add to dashboard Cite

show abstract

“…Since PV modules still have relatively low conversion efficiency, the overall system cost can be reduced using high efficiency power trackers which are designed to extract the maximum possible power from the PV module (maximum power point tracking, MPPT) [5]. The main goal of this paper is to study the use of solar power to charge lithium-ion batteries.…”

Section: Introductionmentioning

confidence: 99%

PSpice Model for Optimization of battery Charging using Maximum power point Tracker

Ansari

Afzal

Chatterji

et al. 2011

Linköping Electronic Conference Proceedings

View full text Add to dashboard Cite

Abstract; the goal of this paper is to use the solar power to charge Lithium-ion (Li-ion) batteries, pulse width modulator (PWM) control method is implemented to design and build a solar battery charger prototype. Maximum power point tracking (MPPT) is used in the photovoltaic (PV) system to maximise the PV output power, irrespective of the temperature and irradiation conditions. MPPT system, consisting of a buck-type dc-dc converter, which is controlled by a microcontroller unit, is implemented. It is presented a model for the lithiumion battery (Li-Ion) that is suitable for computer simulation. The used model can be easily modified to fit data from different batteries. The simulation results achieved by using Pspice programs and are in good agreement with the experimental results. These results allowed demonstrating the reliability and validity of the proposed MPPT technique. The battery charger prototype was tested and the results obtained allowed to conclude about the conditions of permanent control on the battery charger.

show abstract

“…The battery voltage will change at different state of charge and it may damage the LED. Therefore, the stand-alone solar LED lighting system usually consist a DC/DC converter to convert the battery voltage into the LED driving voltage 2 [4]. The DC/DC converter may solve the problem of the voltage variation but it also increases the system cost and reduce the system reliability due to additional component.…”

Section: Introductionmentioning

confidence: 99%

Reliability test of LED driven by PWM technique

Huang

Tang

et al. 2008

SPIE Proceedings

View full text Add to dashboard Cite

The solar-powered LED lighting system has been commercialized for a long time. The system usually consists of a DC to DC converter in order to convert the battery voltage into a fixed voltage or current for the LED lighting luminaire. This will cause energy loss and system reliability due to the failure of DC/DC converter. In the present study, we develop a special technique to drive the LED luminaire directly from battery utilizing PWM technique in order to remove the DC/DC converter. However, instantaneous current overdriven can occur easily due to the variation of battery voltage with the state-of-charge of battery.In the present study, we setup a thermal chamber with temperature variation to within 40±3 o C. A LED luminaire was specially designed for the LED reliability test with four different circuits with each circuit connecting three LED lamps serially. A driver is designed to provide 4 kinds of power inputs to LED: (a) 350mA constant current, (b) 700mA,100Hz, duty cycle=50%, (c)700mA, 10K Hz duty cycle=50% and (d) 1050mA, 100Hz, duty cycle=33%. The tests were performed simultaneously to compare light decay between normal drive condition (a) and other PWM driving conditions (b, c, d). The accumulated total test time so far is more then 7,032 hours and has shown no significant light decay in 4 different loops. This reveals that the PWM technique directly driven by battery is feasible and is able to reduce energy loss of DC to DC converter in the solar lighting system.

show abstract

Novel battery charging regulation system for photovoltaic applications

Cited by 129 publications

References 12 publications

Single Sensor Charging System with MPPT Capability for Standalone Streetlight Applications

Single Sensor Charging System with MPPT Capability for Standalone Streetlight Applications

PSpice Model for Optimization of battery Charging using Maximum power point Tracker

Reliability test of LED driven by PWM technique

Contact Info

Product

Resources

About