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Kuinka laskea Solar Panel Sizing

Mikä on Solar Panel Sizing?

Calculates solar panel capacity needed to meet energy requirements. Accounts for climate, season, and system losses.

Kaava

Panel wattage = daily need ÷ insolation ÷ 0.80

Vaiheittainen opas

  1. 1Daily energy requirement in kWh
  2. 2Average daily insolation (peak sun hours) for location
  3. 3Panel efficiency (typically 15-22%)
  4. 4System losses (inverter 5%, wiring 3%, dirt 2%)
  5. 5Panel wattage = daily need ÷ insolation ÷ 0.80

Ratkaistut esimerkit

Syöte
5000Wh/day need, 5 sun hrs
Tulos
1000W array

Yleisiä virheitä vältettäväksi

  • Not accounting for seasonal variation
  • Ignoring system losses (20% penalty typical)

Usein kysytyt kysymykset

How much solar is needed for household?

Average home 5kW system produces 6,000-8,000 kWh/year depending on location.

Does weather affect solar output?

Yes significantly; cloudy days 25-50% output; winter 30-50% of summer; location critical.

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Asetukset

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