PVMD Delft University of Technology Stand-Alone System PV Panels - - PowerPoint PPT Presentation

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Nov 23, 2023 709 likes •846 views

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

SLIDE 1

PVMD

Delft University of Technology

Overview of components in a PV system

Olindo Isabella

SLIDE 2

Stand-Alone System

PV Panels Balance of System (BoS) Charge Controller Storage Inverter Outputs

SLIDE 3

Grid-Connected System

Grid Inverter PV Panels Balance of System (BoS) Outputs

SLIDE 4

Components

PV Panels Balance of System (BoS)

Charge Controller Storage

Outputs

Inverter DC/DC Converter Bypass Diodes Cables Mounting Frames Modules

Grid

SLIDE 5

Components

PV Panels Balance of System (BoS)

Charge Controller Storage

Outputs

Inverter DC/DC Converter Bypass Diodes Cables Mounting Frames Modules

Grid

SLIDE 6

PV Module

Solar Cell

By WhistlingBird (Own work) [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons By LG전자 (http://www.flickr.com/photos/lge/10845634103/) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Crystalline Si Thin-film Module technologies

SLIDE 7

PV Module

Bypass diode to prevent destructive effect of hot-spot
Blocking diode to prevent reverse flow of current

Diode

By Elvis untot. (Own work.) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons By LG전자 (http://www.flickr.com/photos/lge/10845634103/) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Crystalline Si Thin-film

SLIDE 8

Components

PV Panels Balance of System (BoS)

Charge Controller Storage

Outputs

Inverter DC/DC Converter Bypass Diodes Cables Mounting Frames Modules

Grid

SLIDE 9

Balance of System (BoS)

Mounting structures
Cables
Batteries

§ Advantages

Reliable energy source available at night or on cloudy days

§ Drawbacks

Decrease the efficiency of the PV system
Replacement every five to ten years
Add to the expense of the overall system
Safety concerns

By Oregon Department of Transportation [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)]

SLIDE 10

DC/DC converter
DC/AC inverter
Grid-connected or Stand-alone
High conversion efficiency
Embedded circuitry for MPPT

Balance of System (BoS)

By Neotesla (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons By Mik81 (Own work) [Public domain], via Wikimedia Commons

DC/AC inverter DC/DC converter

SLIDE 11

Balance of System (BoS)

DC/DC converter
DC/AC inverter
Grid-connected or Stand-alone
High conversion efficiency
Embedded circuitry for MPPT
Charge controller
Optimum charge to the batteries
Overcharge protection
Preventing unwanted discharging
Decoupling voltage and current levels
Embedded circuitry for MPPT

Charge controller DC/AC inverter DC/DC converter

By Neotesla (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons By Mik81 (Own work) [Public domain], via Wikimedia Commons Kaspars Dambis, BSV20A Solar Charge Controller, 18/02/2017, Creative Commons License

SLIDE 12

Components

PV Panels Balance of System (BoS)

Charge Controller Storage

Outputs

Inverter DC/DC Converter Bypass Diodes Cables Mounting Frames Modules

Grid

SLIDE 13

Recap

Charge Controller Storage Invert er Grid Inverte r

Decentralized and bidirectional distribution

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