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

Nov 01, 2022 •141 likes •266 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

  1. Simple Design 2 Olindo Isabella PVMD Delft University of Technology

  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

  3. Simplified Design - 2 4 step plan Total energy • Device Quantity Hours of Device Watt-hr of loads daily use Watts per day

  4. Simplified Design - 2 Device Quantity Hours of Device Watt-hr 4 step plan daily use Watts per day LED Lights 4 4 3 48 TV 1 4 80 320 Total energy • Toaster 1 0.5 1000 500 of loads Iron Box 1 1.5 1500 2250 2583 3118

  5. Simplified Design - 2 4 step plan Total energy • User input of loads PV panel sizing System voltage (V) PV panel Watt – hr per day • MPPT (yes/no) Sizing Factor sizing Equivalent Sun Hours Daily Demand (Wh) PV module Minimum W p Nominal power (W p ) Open circuit voltage (V) Total modules required Voltage at MPP (V) Number of series modules Charge controller Number of parallel modules Maximum Voltage (V)

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

  7. Simplified Design - 2 4 step plan Total energy • of loads User input Battery Sizing PV panel • Battery Minimum capacity (Ah) sizing Depth of discharge Total batteries required Battery sizing • Reserve days Number of parallel batteries Battery voltage (V) Number of series batteries Battery capacity (Ah)

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

  9. Simplified Design - 2 4 step plan Total energy • of loads PV panel • sizing Inverter Sizing User input Battery sizing • Device watts Inverter Inverter • Power Factor Inverter Size (W) Efficiency sizing Inverter Voltage (V)

  10. Simplified Design - 2 PV Panel sizing Device Quantity Hours of Device Watt-hr 4 step plan daily use Watts per day Watt – hr per day 3118 LED Lights 4 4 3 48 Sizing Factor 1.1 TV 1 4 80 320 Daily Demand (Wh) 3430 Total energy • Toaster 1 0.5 1000 500 Minimum W p 623.6 of loads Iron Box 1 1.5 1500 2250 Total modules required 7.8 2583 3118 PV panel • Number of series modules 4 sizing Number of parallel modules 2 User input User input Battery sizing • System voltage (V) 12 Battery Battery Sizing Inverter MPPT (yes/no) Yes Depth of discharge 0.6 • Minimum capacity (Ah) 952.7 Equivalent Sun Hours 5.5 Reserve days 2 sizing Total batteries required 5 Battery voltage (V) 12 PV module Number of parallel batteries 5 Nominal power (W p ) 80 Battery capacity (Ah) 220 Number of series batteries 1 Open circuit voltage (V) 22 Inverter Inverter Sizing Voltage at MPP (V) 16.5 Power Factor 0.8 Device watts 2583 Charge controller Efficiency 0.9 Inverter Size (W) 3588 Inverter Voltage (V) 12 Maximum Voltage (V) 70

  11. Recap Inverter Simplified Design strategies Grid Simplified Design -2 • Storage Charge Controller Inverter

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