PVMD Delft University of Technology Learning objective 1. - - PowerPoint PPT Presentation

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PVMD Delft University of Technology Learning objective 1. - - PowerPoint PPT Presentation

Nov 01, 2022 141 likes •267 views

Simple Design 2 Olindo Isabella PVMD Delft University of Technology Learning objective 1. Introduction to PV System Design 2. Simple Design 1. Simple Design 1 2. Simple Design 2 3. Complex Design 4. Grid Connected PV System Design

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SLIDE 1

PVMD

Delft University of Technology

Simple Design 2

Olindo Isabella

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SLIDE 2

Learning objective

1. Introduction to PV System Design 2. Simple Design

1. Simple Design 1 2. Simple Design 2

3. Complex Design 4. Grid Connected PV System Design 5. Stand-alone PV System Design

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SLIDE 3

Device Quantity Hours of daily use Device Watts Watt-hr per day

4 step plan

  • Total energy
  • f loads

Simplified Design - 2

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SLIDE 4

Device Quantity Hours of daily use Device Watts Watt-hr per day LED Lights 4 4 3 48 TV 1 4 80 320 Toaster 1 0.5 1000 500 Iron Box 1 1.5 1500 2250 2583 3118

4 step plan

  • Total energy
  • f loads

Simplified Design - 2

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SLIDE 5

PV panel sizing Watt – hr per day Sizing Factor Daily Demand (Wh) Minimum Wp Total modules required Number of series modules Number of parallel modules User input System voltage (V) MPPT (yes/no) Equivalent Sun Hours PV module Nominal power (Wp) Open circuit voltage (V) Voltage at MPP (V) Charge controller Maximum Voltage (V)

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

Simplified Design - 2

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SLIDE 6

Device Quantity Hours of daily use Device Watts Watt-hr per day LED Lights 4 4 3 48 TV 1 4 80 320 Toaster 1 0.5 1000 500 Iron Box 1 1.5 1500 2250 2583 3118 PV panel sizing Watt – hr per day 3118 Sizing Factor 1.1 Daily Demand (Wh) 3430 Minimum Wp 623.6 Total modules required 7.8 Number of series modules 4 Number of parallel modules 2 User input System voltage (V) 12 MPPT (yes/no) Yes Equivalent Sun Hours 5.5 PV module Nominal power (Wp) 80 Open circuit voltage (V) 22 Voltage at MPP (V) 16.5 Charge controller Maximum Voltage (V) 70

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

Simplified Design - 2

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SLIDE 7

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

  • Battery sizing

Simplified Design - 2

Battery Sizing Minimum capacity (Ah) Total batteries required Number of parallel batteries Number of series batteries User input Battery Depth of discharge Reserve days Battery voltage (V) Battery capacity (Ah)

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SLIDE 8

Device Quantity Hours of daily use Device Watts Watt-hr per day LED Lights 4 4 3 48 TV 1 4 80 320 Toaster 1 0.5 1000 500 Iron Box 1 1.5 1500 2250 2583 3118 PV Panel sizing Watt – hr per day 3118 Sizing Factor 1.1 Daily Demand (Wh) 3430 Minimum Wp 623.6 Total modules required 7.8 Number of series modules 4 Number of parallel modules 2 User input System voltage (V) 12 MPPT (yes/no) Yes Equivalent Sun Hours 5.5 PV module Nominal power (Wp) 80 Open circuit voltage (V) 22 Voltage at MPP (V) 16.5 Charge controller Maximum Voltage (V) 70

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

  • Battery sizing

Simplified Design - 2

Battery Sizing Minimum capacity (Ah) 952.7 Total batteries required 5 Number of parallel batteries 5 Number of series batteries 1 User input Battery Depth of discharge 0.6 Reserve days 2 Battery voltage (V) 12 Battery capacity (Ah) 220

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SLIDE 9

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

  • Battery sizing
  • Inverter

sizing

Simplified Design - 2

Inverter Sizing Device watts Inverter Size (W) User input Inverter Power Factor Efficiency Inverter Voltage (V)

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SLIDE 10

Device Quantity Hours of daily use Device Watts Watt-hr per day LED Lights 4 4 3 48 TV 1 4 80 320 Toaster 1 0.5 1000 500 Iron Box 1 1.5 1500 2250 2583 3118 PV Panel sizing Watt – hr per day 3118 Sizing Factor 1.1 Daily Demand (Wh) 3430 Minimum Wp 623.6 Total modules required 7.8 Number of series modules 4 Number of parallel modules 2 Inverter Sizing Device watts 2583 Inverter Size (W) 3588 User input System voltage (V) 12 MPPT (yes/no) Yes Equivalent Sun Hours 5.5 PV module Nominal power (Wp) 80 Open circuit voltage (V) 22 Voltage at MPP (V) 16.5 Charge controller Maximum Voltage (V) 70 Battery Sizing Minimum capacity (Ah) 952.7 Total batteries required 5 Number of parallel batteries 5 Number of series batteries 1 User input Battery Depth of discharge 0.6 Reserve days 2 Battery voltage (V) 12 Battery capacity (Ah) 220

Simplified Design - 2

Inverter Power Factor 0.8 Efficiency 0.9 Inverter Voltage (V) 12

4 step plan

  • Total energy
  • f loads
  • PV panel

sizing

  • Battery sizing
  • Inverter

sizing

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SLIDE 11

Simplified Design strategies

  • Simplified Design -2

Charge Controller Storage Inverter

Recap

Grid Inverter