Kuinka laskea Battery Storage
Mikä on Battery Storage?
Battery storage systems store energy for later use, enabling renewable energy reliability. Capacity, power rating, and round-trip efficiency matter.
Vaiheittainen opas
- 1Energy capacity (kWh): total storable energy
- 2Power rating (kW): maximum charge/discharge rate
- 3Round-trip efficiency: (energy out / energy in) typically 80-95%
Ratkaistut esimerkit
Syöte
10 kWh battery, 5 kW power, 90% efficiency
Tulos
Stores 10 hours full discharge or 2 hours at 5 kW, loses ~1 kWh round-trip
Typical battery performance
Yleisiä virheitä vältettäväksi
- ✕Neglecting efficiency losses in energy balance
- ✕Over-sizing battery (unnecessary cost)
Usein kysytyt kysymykset
Why do batteries lose efficiency?
Internal resistance generates heat during charge/discharge cycles; chemistry determines losses.
How long do batteries last?
Lithium-ion: 10-15 years, 2000-5000 cycles. Degradation accelerates with age and temperature.
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