Post on 06-Jul-2020
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Limitless Wireless: Power Up Your Wi-Fi AnywhereLisbon, PortugalOctober 4, 2017
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Agenda• How to get started designing a
Solar Powered Wi-Fi Solution• Location Matters• It’s all about the Math• Design Flaws• Outside Factors to Consider
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Ask the Right Questions
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Ask the right Questions• What equipment is being used?• How is the equipment powered?
• AC/DC/PoE/Voltages• How much power does the
equipment draw?• Hours of operation?• Where is the system going?• How is it mounted?
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The Sun Doesn’t Shine Evenly
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Location…Location…Location Cold weather• Reduces capacity of
lead acid batteries• Solar panels work
better
To Combat Colder Climates• Increase # of batteries
to decrease depth of discharge
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Location…Location…Location Hot weather• Reduces life of lead
acid batteries• Normally longer sun
hours
To Combat Warmer Climates• Add a fan, vent or
keep in shade
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Average Sunlight around Europe
B
ALocationA:• MoreBatteries• MoreSolarPanels
LocationB:• LessBatteries• LessSolarPanels
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It’s All About the Math
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Equations for Sizing
𝑹𝒆𝒒𝒖𝒊𝒓𝒆𝒅𝑩𝒂𝒕𝒕𝒆𝒓𝒚𝑺𝒊𝒛𝒆 𝑨𝒉
=𝑾𝒂𝒕𝒕𝒔𝑪𝒐𝒏𝒔𝒖𝒎𝒆𝒅𝑽𝒐𝒍𝒕𝒂𝒈𝒆𝒐𝒇𝑺𝒚𝒔𝒕𝒆𝒎 ∗ 𝑯𝒐𝒖𝒓𝒔𝑶𝒇𝑶𝒑𝒆𝒓𝒂𝒕𝒊𝒐𝒏𝒑𝒆𝒓𝑫𝒂𝒚 ∗ 𝑩𝒂𝒄𝒌𝑼𝒑𝒊𝒏𝑫𝒂𝒚𝒔
𝑹𝒆𝒄𝒐𝒎𝒎𝒆𝒏𝒅𝒆𝒅𝑺𝒐𝒍𝒂𝒓𝑷𝒂𝒏𝒆𝒍𝑨𝒎𝒑𝒔
=
𝑾𝒂𝒕𝒕𝒔𝑪𝒐𝒏𝒔𝒖𝒎𝒆𝒅𝑽𝒐𝒍𝒕𝒂𝒈𝒆𝒐𝒇𝑺𝒚𝒔𝒕𝒆𝒎 ∗ 𝑯𝒐𝒖𝒓𝒔𝑶𝒇𝑶𝒑𝒆𝒓𝒂𝒕𝒊𝒐𝒏𝒑𝒆𝒓𝑫𝒂𝒚
𝑾𝒊𝒏𝒕𝒆𝒓𝑷𝒆𝒂𝒌𝑺𝒖𝒏𝑳𝒊𝒈𝒉𝒕𝑯𝒐𝒖𝒓𝒔 ∗ 𝟏. 𝟐
𝑨𝒉 = 𝑨𝒎𝒑𝒔 ∗ 𝑯𝒐𝒖𝒓𝒔
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Calculation Factors• System Voltage• Watts Consumed• Battery Size• Hours running per day• Battery starting %• Worst Peak Sunlight• Amps from Solar Panel• System Efficiency• % of light blocked
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Common Design Flaws
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Undersized Solar Panel
0.0020.0040.0060.0080.00
100.00
0 96 192 288
BatteryLife(A
hr)
Hours
BatteryLife
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Over Discharging Batteries (Cycle Degradation)• 1 cycle =
charge and discharge
• Life of battery is reduced significantly when discharged below 60% capacity
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Outside Factors to Consider
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Outside Factors• Avoid bird perch spots• Snow will collect on the Panels• Panel Tilt - the further North or
South from the equator the greater the recommended solar panel tilt
• Avoid shading the solar panels (buildings, trees, fencing, children using your panel as a playground)
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In Other News…
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Get Your Free Stuff!
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European Distribution Channel
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Carter J Burke
@cjburke90 CarterBurke
info@acceltex.comcarter.burke@acceltex.com
+001.210.865.1621