Station Battery Sizing: IEEE 485 Duty Cycle and Margins
Size a stationary lead-acid battery from its duty cycle using IEEE 485 section calculations, manufacturer Kₜ factors, random loads and temperature, aging and design margins.
Size a stationary lead-acid battery from its duty cycle using IEEE 485 section calculations, manufacturer Kₜ factors, random loads and temperature, aging and design margins.
Calculate motor winding, frame and hot-spot temperatures from losses and duty cycle. Compare warm-up with the settled repeating cycle using a two-node thermal network.
Size compressor free-air delivery and receiver storage from demand, duty cycle and pressure band. Estimate leak flow and electricity cost at your tariff.
Compare SF7–SF12 airtime, bit rate, link gain, hourly duty budget and battery cost per message. Enter your regional limit and device currents; optionally estimate ALOHA overlap.
Estimate sensor node battery life from sleep, wake, sensing, connection and transmit states. Include board leakage, regulator current, capacity derating and annual self-discharge.
Estimate appliance kWh, electricity units and bills from your own flat or slab rates. Compare fridge and inverter AC replacements using labels, duty cycles or seasonal ratings.
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