A program for calculation of solar energy collection by fixed and tracking collectors

Garrison, John D.

doi:10.1016/s0038-092x(02)00066-x

Cited by 18 publications

(19 citation statements)

References 19 publications

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“…For the calculations, the convection and conduction losses of the digester were taken into account. The plus of the quantities of heat flows gives to result the overall heating load (overall heat flow Q ), which is provided to the solar heating system by flat plate collectors [7]. The equation which determines the flow of heat require from the system is shown in equation (1):…”

Section: Determination Of the Energy Requirements Of The Thermophilicmentioning

confidence: 99%

Comparison between a Fixed and a Tracking Solar Heating System for a Thermophilic Anaerobic Digester

et al. 2014

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In this paper two alternative solar methods are evaluated for the methane generating system using the municipal solid waste, MSW in urban zones. The analytic method evaluates the use of flat solar collector; in one case they are remaining fixed and the other case they have a solar tracking system. The analytic results shown that the needs of conventional energy to the generation biogas system were minors using the solar tracking system.

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Section: Determination Of the Energy Requirements Of The Thermophilicmentioning

confidence: 99%

Comparison between a Fixed and a Tracking Solar Heating System for a Thermophilic Anaerobic Digester

et al. 2014

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“…Therefore, the efficiency of power generation is low. Nowadays, literature reveals many different methods for tracking the sun [10][11][12][13][14][15][16][18][19][20][21][22][23][24][25][26][27][28]. These approaches differ based on different light source sensors, light intensity sensors, intelligent vision techniques, and CCD equipments.…”

Section: Literature Reviewmentioning

confidence: 99%

An efficient closed loop control system to follow, capture and redirect daylight

Wyns

Ionescu

Neamtu³

et al. 2012

2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM)

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Generally, one of the key requirements of modern buildings, besides an appropriate heating and ventilation, is to offer and maintain a suitable lighting. In this contribution, a description of a system capturing and re-directing sunlight into open spaces inside the building without affecting the inside temperature (isotherm) is given. The system mainly consists of three principal components: a mirror capturing the light of the sun and reflecting it inside the building via a prism system, a printed circuit board with two photovoltaic sensors for positioning the mirror, and finally, a motor rotating the printed circuit board and mirror. A closed-loop control system to track the movement of the sun is proposed. The results show good tracking behavior

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“…Perturb and Observe and Incremental Conductance are the most widely used methods. Other MPPT techniques include short-circuit current method, and the open-circuit voltage method [5,6]. Recently, some other methods such as fuzzy controller or neural network controller have been developed for maximum power point tracking.…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of a Novel High-performance Stand-alone Photovoltaic LED Lighting System

Liu

Wang

2010

2010 Asia-Pacific Power and Energy Engineering Conference

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This paper presents a novel high-performance standalone photovoltaic (PV) lighting system which can provide functional illumination based on high power White LEDs. An improved incremental conductance Maximum Power Point Tracking (MPPT) method is proposed in PV system to maximize the photovoltaic array output power, irrespective of the temperature and irradiation conditions and of the load electrical characteristics. A novel strategy to charge the battery is designed from the analyses and comparison results. In order to provide a steady-state operating environment for high power White LEDs, a specially designed LED drive module is implemented. Further more, a self-adapting dimming control is designed to maintain a stable indoor illuminance. Experimental results show the performance of the proposed photovoltaic lighting system.

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A program for calculation of solar energy collection by fixed and tracking collectors

Cited by 18 publications

References 19 publications

Comparison between a Fixed and a Tracking Solar Heating System for a Thermophilic Anaerobic Digester

Comparison between a Fixed and a Tracking Solar Heating System for a Thermophilic Anaerobic Digester

An efficient closed loop control system to follow, capture and redirect daylight

Design and Implementation of a Novel High-performance Stand-alone Photovoltaic LED Lighting System

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