PVMD Olindo Isabella Delft University of Technology Learning - PowerPoint PPT Presentation

Feb 23, 2023 •348 likes •478 views

Modules Spacing and Mutual Shading PVMD Olindo Isabella Delft University of Technology Learning objectives 1. PV module design 2. Electrical properties 3. Temperature effects 4. Mounting issues 1. Mutual shading and module spacing

Modules Spacing and Mutual Shading PVMD Olindo Isabella Delft University of Technology
Learning objectives 1. PV module design 2. Electrical properties 3. Temperature effects 4. Mounting issues 1. Mutual shading and module spacing • Shade-free time window • Row spacing • Ground cover ratio 2. Earthing 3. Practical example of mounting issues 5. Reliability and I-V tests
Considerations By: Richard Masenor
Module Shading Same location, same time of the day Winter Summer
Module Shading Winter Industry practice : optimize for 21 st Dec in a certain shade-free time window
Shade-Free Time Window 12h 11h 13h 60 ° 14h 10h 10h 14h 50 ° 15h 9h Solar Elevation 40 ° 16h 8h 30 ° 17h 7h 20 ° 6h 18h 5h 10 ° 19h 10 ° 30 ° 60 ° 90 ° 120 ° 150 ° 180 ° 210 ° 240 ° 270 ° 300 ° 330 ° 360 ° Solar Azimuth East West
Module Spacing d shadow z l h a S θ M θ M Row spacing, d             
Shade-Free Time Window 12h 11h 13h 60 ° 14h 10h 10h 14h 50 ° 15h 9h Solar Elevation 40 ° 16h 8h 30 ° 17h 7h 20 ° 6h 18h 5h 10 ° 19h 10 ° 152 ° 208 ° 30 ° 60 ° 90 ° 120 ° 150 ° 180 ° 210 ° 240 ° 270 ° 300 ° 330 ° 360 ° Solar Azimuth East West
Module Spacing d shadow z l h a S θ M θ M Row spacing, d Correction factor between Azimuths Rule of thumb: d ~ 3 l           
Ground Cover Ratio (GCR) 𝐵𝑠𝑓𝑏 𝑄𝑊 𝑏𝑠𝑠𝑏𝑧 𝐻𝐷𝑆 = 𝐵𝑠𝑓𝑏 𝑢𝑝𝑢𝑏𝑚 𝑕𝑠𝑝𝑣𝑜𝑒 Trade-off High GCR Low GCR Higher system costs Larger shade (*) J. M. Gordon & H. J. Wenger; Central-station solar photovoltaic systems; (1991)
Recap 12h 13h 11h 60 ° 10h 14h 50 ° 15h 9h Solar Elevation 40 ° 16h 8h 30 ° 17h 7h 20 ° 6h 18h 5h 10 ° 19h 180 ° 240 ° 30 ° 60 ° 90 ° 120 ° 152 ° 208 ° 270 ° 300 ° 330 ° 360 ° Solar Azimuth West East
Recap d shadow z l h a S θ M θ M Row spacing, d

Download Presentation

Download Policy: The content available on the website is offered to you 'AS IS' for your personal information and use only. It cannot be commercialized, licensed, or distributed on other websites without prior consent from the author. To download a presentation, simply click this link. If you encounter any difficulties during the download process, it's possible that the publisher has removed the file from their server.

Recommend

PVMD Delft University of Technology Introduction DNIcos(AOI) f(SVF, AOI, DHI) G Module GHI

Finding the Optimal Tilt Angle Olindo Isabella PVMD Delft University of Technology Introduction DNIcos(AOI) f(SVF, AOI, DHI) G Module GHI a (1-SVF) f( tilt , azimuth ) M Learning objectives 1. Solar irradiance 2. Sun movement

845 views • 15 slides

PVMD Ren van Swaaij Delft University of Technology Learning objectives How is V oc related

Recombination parameter J 0 PVMD Ren van Swaaij Delft University of Technology Learning objectives How is V oc related to saturation current density, J 0 , and minority carrier lifetime? Relation between J 0 and recombination

345 views • 33 slides

PVMD Delft University of Technology Applica)ons of semiconductors Solar cells

Introduc)on to semiconductor physics Miro Zeman PVMD Delft University of Technology Applica)ons of semiconductors Solar cells Transistors Integrated Diodes circuits Semiconductor

194 views • 16 slides

PVMD Delft University of Technology Plasmonics in solar cells: learning objectives NPs behind

Plasmonics in PV Part 2 Arno Smets PVMD Delft University of Technology Plasmonics in solar cells: learning objectives NPs behind Ag scattering NPs behind the absorber: back reflector electric fields: incident total + = reflected

240 views • 9 slides

PVMD Delft University of Technology Learning objective 1. Maximum Power Point Tracking 1.

Cables Ravi Vasudevan PVMD Delft University of Technology Learning objective 1. Maximum Power Point Tracking 1. Introduction to MPPT 2. Indirect Methods 3. Perturb and Observe 4. Incremental Conductance 5. Cost and Overview 2.

826 views • 18 slides

PVMD Miro Zeman Delft University of Technology Equilibrium Equilibrium The unperturbed state

Carrier concentrations PVMD Miro Zeman Delft University of Technology Equilibrium Equilibrium The unperturbed state of a system, to which no external voltage, magnetic field, illumination, mechanical stress, or other perturbing forces are

400 views • 18 slides

PVMD Arno Smets Delft University of Technology Learning objectives What is a PIN junction

PIN junction PVMD Arno Smets Delft University of Technology Learning objectives What is a PIN junction Why is a PIN junction used for thin film silicon solar cells Importance of doped layers Charge carrier transport mechanisms

337 views • 10 slides

PVMD Delft University of Technology Energy of an 1 electron Preliminary

Energy band diagrams Miro Zeman PVMD Delft University of Technology Energy of an 1 electron Preliminary assump2ons Assump2ons: The crystal la5ce has no

659 views • 22 slides

PVMD Arno Smets Delft University of Technology Learning objectives The what, how and why

Current matching part 1 PVMD Arno Smets Delft University of Technology Learning objectives The what, how and why of current matching Influence of material properties The versatility of silicon oxide Micromorph solar cell 16

529 views • 6 slides

PVMD Delft University of Technology Learning objectives How are Force, Energy

Energy Arno Smets PVMD Delft University of Technology Learning objectives How are Force, Energy and Power related How to define and relate different types of energy

322 views • 17 slides

PVMD Delft University of Technology Learning objectives What is the function

Solar cell losses and design part 1 Arno Smets PVMD Delft University of Technology Learning objectives What is the function of the various parts of the solar cell

741 views • 11 slides

PVMD Delft University of Technology Learning objectives What are the record efficiencies for lab

The final review Record efficiencies Arno Smets PVMD Delft University of Technology Learning objectives What are the record efficiencies for lab scales cells and modules? How do record efficiencies scale with device size? What

483 views • 9 slides

PVMD Delft University of Technology Atomic layer deposition C 1. C Al C Al Al Al C Al

Other TF deposition techniques part 3 Arno Smets PVMD Delft University of Technology Atomic layer deposition C 1. C Al C Al Al Al C Al C C C C Al C Al C C Al C C Al Al Al O O O O Substrate Heater Atomic layer

370 views • 8 slides

PVMD Miro Zeman Delft University of Technology P-N Junction under Bias - + V a I I A P N

The Dark J-V Curve PVMD Miro Zeman Delft University of Technology P-N Junction under Bias - + V a I I A P N C I d Anode Cathode Bias Conditions Forward bias Reverse bias J-V Characteristic Shockley equation: Dark J-V

347 views • 5 slides

PVMD Olindo Isabella Delft University of Technology Plane of array PV modules irradiance

Introduction to Electrical Conversion PVMD Olindo Isabella Delft University of Technology Plane of array PV modules irradiance Fluid-dynamic model q convection T ambient T sky q rad,sky q convection q sun Meteo data q rad,ground T module T

439 views • 11 slides

PVMD Delft University of Technology Stand-Alone System PV Panels Balance of System (BoS)

Overview of components in a PV system Olindo Isabella PVMD Delft University of Technology Stand-Alone System PV Panels Balance of System (BoS) Outputs Storage Charge Controller Inverter Grid-Connected System Balance of PV Panels

846 views • 13 slides

Voyager Observations of Galactic and Anomalous Cosmic Rays at the Termination Shock and in the

Voyager Observations of Galactic and Anomalous Cosmic Rays at the Termination Shock and in the Heliosheath F.B. M c Donald Institute for Physical Science and Technology, Univ. of Maryland, College Park, MD, USA Voyager CRS Science Team: E.C.

593 views • 37 slides

Preliminary SuperTIGER Abundances of Galactic Cosmic-Rays for the Charge Interval Z=41-56 and

Preliminary SuperTIGER Abundances of Galactic Cosmic-Rays for the Charge Interval Z=41-56 and Prospects for SuperTIGER-2 ICRC 2017 Nathan E. Walsh Bexco, Busan, Korea SuperTIGER Collaboration July 13, 2017 Washington University in St. Louis

155 views • 14 slides

Galactic cosmic rays (GCR) and dark matter indirect detection Group: DARK (AMS-CREAM-LSST)

Galactic cosmic rays (GCR) and dark matter indirect detection Group: DARK (AMS-CREAM-LSST) Research activity: phenomenology 1. Introduction : GCRs, dark matter indirect detection 2. Recent results and interpretation 3. Research activities at

337 views • 22 slides

Invading process of GCRs into the heliosphere S. Matsukiyo 1 , K. Shimokawa 1 , H. Washimi 1,2 ,

Invading process of GCRs into the heliosphere S. Matsukiyo 1 , K. Shimokawa 1 , H. Washimi 1,2 , T. Hada 1 1 Kyushu Univ., Japan 2 CSPAR, USA Background Solar modulation of CR spectrum Remarkable for E < a few 10 GeV Anisotropy for TeV

322 views • 14 slides

Working group on charting local inclusion of migrants and refugees Introductory, Virtual Meeting,

Working group on charting local inclusion of migrants and refugees Introductory, Virtual Meeting, May 21 st 2019 Outline For This Call 1. Describe the Origins, Purpose and Importance of this Initiative 2. Discuss Proposed Role of the Working

277 views • 16 slides

HOList: An Environment for Machine Learning of Higher-Order Theorem Proving Kshitij Bansal,

HOList: An Environment for Machine Learning of Higher-Order Theorem Proving Kshitij Bansal, Christian Szegedy Can we create a human level AI to reason about mathematics? Can we create a human level AI to reason about mathematics? Without

641 views • 23 slides

Lecture 12: Science fiction meets science.. David Aldous March 14, 2016 Probability and X

Lecture 12: Science fiction meets science.. David Aldous March 14, 2016 Probability and X where today X = science fiction. The Fermi paradox is: The Universe is very big and very old; given there is a human technological civilization on

818 views • 24 slides

Qua Quantum um Monte e Carlo calcul ulations ns of the he equa equation n of of state of

Qua Quantum um Monte e Carlo calcul ulations ns of the he equa equation n of of state of of neutron on matter r wi with ch chiral EFT inter eract ctions Ingo Tews (Institute for Nuclear Theory Seattle) In collaboration with

690 views • 33 slides