Solar Stirling Dish Power Generation Atlas of India
DOI:
https://doi.org/10.13052/dgaej2156-3306.2423Keywords:
Stirling dish; direct solar insolation; heat losses; solar electric- ity potential; power generation modelingAbstract
In this article, an atlas of solar electricity potential of Stirling dish
power generation system is presented. Important parameters needed
for solar power generation modeling are direct solar insolation, ambient
temperature, wind speed, concentrator aperture area, rim angle, mirror
reflectance, working fluid, operating temperature, receiver insulating
material and intercept factor. The input data values averaged over a
10-year period is obtained from India Meteorological Department, Pune.
The useful energy delivered by a collector is evaluated with consider-
ation for various heat losses. An average value of solar electricity po-
tential of a 25.3 kW parabolic dish collector is found to be maximum of
15.3 kW for Jodhpur and minimum of 12.7 for Calcutta. Maps of annual
variation of solar electricity potentials, comparison of electricity poten-
tials of Indian cities for different months, average electricity potentials
and annual electrical energy generation for various Indian cities have
been developed. To produce 25 kW of electrical power on all the days
of a year, three different dishes are recommended for the Indian cities
of Jodhpur, Trivendrum and Calcutta. This atlas provides knowledge
and aids in exploitation of solar electricity generation for Indian climatic
conditions.
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