Lecture # 11 PV1. Solar Photovoltaics, AUA Solar System презентация
Содержание
- 2. Photovoltaics - PV Photo Voltaic effect – phenomenon, when light energy
- 3. Trend: PV capacity growth EPIA - European Photovoltaic Industry Association -
- 4. Photovoltaics: Principles Introduction - Quantum mechanics Physical principles of Photovoltaic (PV)
- 5. Popular Quantum Mechanics Interference of Particles. Bohr’s model of atom. Energy
- 6. Electromagnetic (EM) radiation
- 7. Dualism of EM radiation EM radiation exhibits both wave behavior and
- 8. Double slit experiment LIGHT
- 9. Double slit experiment Electrons
- 10. Bohr’s model of atom.
- 11. Electron can change its “orbital” by receiving or releasing a photon
- 12. Absorption only happen if the photon energy match the atom’s energy
- 14. Atom Energy Levels Isolated atom’s energy levels correspond to the orbitals
- 15. A system of two atoms N=2 Energy levels are split into
- 16. N – atom system
- 17. Solid body – crystalline lattice:
- 18. When N >>, e.g. in solid bodies, 1023 atom per cm3.
- 20. Electronic Energy Bands In solids the atomic energy levels turn into
- 21. Metal vs. Semiconductor, vs. Insulator
- 22. At non-zero temperatures,
- 24. Silicon crystal structure
- 25. P-N-Junction P-N-Junctions have the ability to form built in electric field
- 26. PV power generation
- 29. Now, what will happen if a semicon-ductor structure’s p-n-junction is bombar-ded
- 30. P-N-Junction The interface of the p-doped and n-doped semiconductors is called
- 32. Summary of physical principles of Photovoltaic (PV) Conversion
- 33. P-N-Junction
- 34. PV power generation
- 35. Light emission diode = LED LED performs the opposite function –
- 36. Sensitivity Spectrum Why PV cells are sensitive to light spectrum? What
- 37. Sensitivity Spectrum – via wavelength or equivalent via photon energy
- 38. Summary of physical principles of Photovoltaic (PV) Conversion
- 39. Summary of physical principles of Photovoltaic (PV) Conversion
- 40. Factors Influencing Efficiency Semiconductor related Percentage of spectral overlapping Quantum efficiency,
- 41. Percentage of spectral overlapping
- 42. Spectrum vs. Energy
- 43. Absorption depth vs. p-n-junction depth and thickness
- 44. Recombination of electrons and holes
- 45. The reverse current in the p-n-junction – defects inside SCR that
- 46. Shockley-Queisser Limit
- 47. Factors Influencing Efficiency Factors outside the semiconductor Surface reflectance Shading by
- 48. Surface reflectance By the semiconductor surface By the weather encapsulation By
- 49. Optical Fill Factor (OFF) The area that is open for the
- 50. Electrical Fill Factor (EFF) is the Preal/(IscVoc), Isc = short circuit
- 51. Max Power Point
- 52. Organic PV cell test, AUA
- 53. Types of Solar Converters Crystalline Silicon: Single-crystal (c-Si) – eff 22%
- 54. PV cell materials in the market Market share percentage of PV
- 55. PV cell materials in the market Market share percentage of PV
- 56. Efficiency In 1884 the first Selenium Solar cell had 1% efficiency.
- 57. Stacked multi junction solar cells
- 58. Stacked multi junction – MJ – solar cells
- 60. Components of the PV System Photovoltaic (PV) panels Battery Bank
- 62. PV System calculation approach for net metering case Find out from
- 63. Types of Solar Converters Photoelectrochemical cells – now up to eff
- 64. Concentration PV Photovoltaic concentrators have the added benefit of an increase
- 65. Multi-junction Solar cells under illumination of at least 400 suns, MJ
- 66. Amonix concentration systems
- 67. BIPV
- 68. BIPV Similarly, if it is possible to use part of the
- 69. Efficiency In 1884 the first Selenium Solar cell had 1% efficiency.
- 71. 2009 vs 2003
- 72. 03 November, 2011
- 73. 20 November, 2012
- 74. 11 November 2013
- 75. November 2014
- 76. November 2015
- 77. How to compare solar cells? Efficiency Longevity – time to degradation
- 78. Notion of the peak power price (PPP) Price of a cell,
- 79. How to compare PV cells, modules? Peak power price - $/Wp.
- 80. PV module cost per peak watt
- 81. PV module cost per peak watt – logarithmic
- 87. 2004 world status of PV industry.
- 90. Types of Solar Converters Photoelectrochemical cells – now up to eff
- 91. PV manufacturing from Ore to Cells. Silicon resource, abundant, but… …
- 92. Realizations Fixed tilted flat panel Concentration PV (Tracking systems) Integrated
- 93. PV systems
- 95. PV standalone solar system
- 96. PV grid connected solar system
- 97. PV grid connected solar system
- 98. AUA SPVS general information Each panel has approximately 0.7 square meters
- 99. PV Arrays
- 100. PV Arrays
- 101. Current Rooftop Setup
- 102. AUA Solar Rooftop Strategy
- 103. Support Structure
- 108. AUA SPVS general information Project Participants: SEUA Heliotechnics Lab team Viasphere
- 109. Components of the PV System Photovoltaic (PV) panels Battery Bank
- 110. PV Cells Manufactured by Krasnoye Znamye, Russia 125 x 125 mm
- 111. PV Cells
- 112. PV Panels manufactured in Armenia PV panels are manufactured by Heliotechnics
- 113. PV Panels manufactured in Armenia
- 114. Battery Bank The voltage used is DC 48 Volts We use
- 115. Charge Controllers The PV array is devided into 3 sub-arrays: -
- 116. Inverters – made in Armenia Designed and Manufactured by Transistor Plus
- 117. Inverter Performance
- 118. Load Currently the load is the DESODEC (Solar HVAC) equipment With
- 119. Performance and benefits of the system Efficiencies of the different components:
- 120. PV System calculation approach See the handout “PV System calculation approach”
- 121. Homework List the main components of the solar PV system. Which
- 122. Скачать презентацию
Слайды и текст этой презентации
Скачать презентацию на тему Lecture # 11 PV1. Solar Photovoltaics, AUA Solar System можно ниже: