Dynamic behavior of a class of photovoltaic power systems
An important consideration in the operation of grid connected photovoltaic power systems is a means of adjusting the photovoltaic array voltage so that maximum output power is achieved for the given atmospheric conditions. The dynamic behiavior of a specific photovoltaic power system which utilizes the well known perturb and observe method of power tracking is examined. Using measured insolation data, it is demonstrated that the perturb and observe method of control migrates considerably from peak power whenever the insolation varies randomly as a result of cloud cover. An alternate method of power tracking is also examined. It is shown that the photovoltaic power system, utilizing the proposed method of power tracking, is able to track accurately peak power conditions during periods of randomly varying insolation.
- Research Organization:
- Sch. of Elec. Eng. Purdue Univ., West Lafayette, IN 47907
- OSTI ID:
- 5449178
- Journal Information:
- IEEE Trans. Power Appar. Syst.; (United States), Vol. PAS-102:9
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
24 POWER TRANSMISSION AND DISTRIBUTION
PHOTOVOLTAIC POWER PLANTS
DYNAMICS
CLOUDS
CONTROL
GRIDS
INSOLATION
OPERATION
PEAK LOAD
WEATHER
ELECTRODES
MECHANICS
POWER PLANTS
SOLAR POWER PLANTS
140600* - Solar Energy- Photovoltaic Power Systems
200300 - Electric Power Engineering- Power Transmission & Distribution- (-1989)