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Roof Top Solar PV Power system

Roof Top Solar PV Power system. Technical and economical analysis Maruntech enterprises Chennai. Objective. Technical details Economic benefits Domestic customers Commercial customers Industrial customers. Solar energy.

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Roof Top Solar PV Power system

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  1. Roof Top Solar PV Power system Technical and economical analysis Maruntech enterprises Chennai

  2. Objective • Technical details • Economic benefits • Domestic customers • Commercial customers • Industrial customers

  3. Solar energy • Every hour the earth reflected back more sunlight than what is used by the entire population in one year. • If we covered the Sahara Desert with the photovoltaic cells, we could cover all the energy requirements of the earth!

  4. Annual Energy from the Sun Equivalent Stock of Energy Source Annual Energy Demand Uranium Natural Gas Oil Coal Global Energy situation

  5. Stand alone PV system S1 S2 Source (PV array) Inverter Load S3 Battery Charge Controller Grid Supply In case of Emergency Battery Bank

  6. Working Mechanism DURING DAY DURING DARK

  7. Solar Power plant

  8. Factors affecting performance • Light Intensity • Shading • Cell Temperature • Angle of Sunlight • Improper Wiring • The immediate environment and geographic location • Nearby mountains, hills, trees, tall buildings etc may considerably reduce the number of hours of direct sunshine that the panels receive.

  9. PV Economics • PV unit : Price per peak watt (Wp) ( Peak watt is the amount of power output a PV module produces at Standard Test Conditions (STC) of a module operating temperature of 25°C in full noontime sunshine (irradiance) of 1,000 Watts per square meter ) • A typical 1kWp System produces approximately 1600-2000 kWh energy in India • One unit of solar power costs around Rs. 7.5-12

  10. Comparison with Diesel and utility grid

  11. Tamilnadu Solar Policy - brief • Investment Subsidy of Rs.20000/kW addon to 30% investment subsidy from MNRE • Incentive for roof top power plant • Rs. 2 per unit for first 2 years • Rs. 1 per unit for next 2 years • Rs. 0.50 per unit for subsequent 2 years • For All solar or Solar – wind hybrid power plant • Solar Power obligations (SPO) • 6% of the consumption through solar for HT • Generate through captive power plant • Or Purchase from any third party having Solar PP

  12. All government and local bodies building should have roof top solar power plant • All streetlights and water supplies installations in local bodies should be energized by solar power • Exemption from electricity tax for 100% on electricity generated by solar power projects will be allowed for 5 years • Exemption from demand cut to the extent of 100% of the installed capacity for all captive PV power owned industries

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