solarEbike Trip Planner 2.1
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solarEbike Trip Planner 2.1
Instructions, help and discussion on the Endless Sphere forum
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Select File > Make a copy... from the menu above (you may need to sign in first). Then, change the yellow highlighted cells to your own values.
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EASY MODE
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Where are you?
How big is your solar panel?
Your daily solar range in October
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Vancouver, BC330
watts
36 miles (58 km)
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ADVANCED
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Percent of sun-hours travelling with...
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LocationStart dateEnd datePV array sizeWh/kmPV lossesShading losses0° fixed tilt1-axis tilt travelling North-South1-axis tilt travelling East-WestStationary charging
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Vancouver, BCJul 15Aug 1533010.05%30%0%35%35%30%
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Enter a city name. If you get an error it's likely your location couldn't be found. Try selecting a different weather dataset below or a different location above.Double-click the yellow cells above for a pop-up calendar or enter dates manually in the format shown. The year does not matter but both dates must be in the same year.Enter the STC rating of your solar panel(s) in DC watts (Wp)Click the arrow to enter either Wh usage or daily range. The other will be calculated below.Wire/connection ohmic losses, diodes, charge controller efficiency, system availability, etc.Enter your best estimate: trees, buildings, cars, terrain, self-shading, etc.Set this to 0% if your array is tilted while moving.Estimate the amount of travel in each direction. You will rarely travel in a straight line all day. Set both to 0% if your array does not tilt when moving. Assumes 2-axis tracking by manually orienting the solar array.
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Weather datasetBatteryV aveV minV maxAh
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NSRDB (try me first!)37.030.042.016.2
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OUTPUTS
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For your date range:
Trip lengthAverage daylightAverage
Wh/day
Average
km/day
0° fixed tilt1-axis tilt North-South1-axis tilt East-WestStationary charging
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32days14.8 hrs1716171.6Sun-hours0 / 6.33.1 / 8.92.5 / 72.9 / 9.7
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Location
British Columbia
301Min30.1MinPeak watts259279298298
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Latitude, longitude
49.25, -123.14
2171Max217.1MaxPeak current8.6A (0.5C)9.3A (0.6C)9.9A (0.6C)9.9A (0.6C)
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Average watts
8712397131
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Highest ambient temp
15 to 31°C
Average current
2.3A (0.1C)3.3A (0.2C)2.6A (0.2C)3.5A (0.2C)
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Lowest ambient temp
11 to 21°C
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Max cell temp67°C
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Average daily Wh by month:
Composite daily averages based on your inputs above:
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MonthFixed 0° tilt1-axis NS travelGain vs. fixed 0° tilt1-axis EW travelGain vs. fixed 0° tilt2-axis trackingGain vs. fixed 0° tiltAverage
km/day
Combined daily Wh0% each day w/ 0° fixed tilt35% each day travelling NS w/ 1-axis tracking35% each day travelling EW w/ 1-axis tracking30% each day stationary charging
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January18329059%408123%485165%39.03900102143145
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February34052153%60477%728114%61.26120182211218
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March56278840%74332%92264%81.38130276260277
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April934124033%107115%134644%121.312130434375404
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May1187158834%130510%167541%151.515150556457503
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June1173155032%12779%161538%147.414740542447484
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July1288178439%141810%187846%168.416840625496563
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August1107154940%126714%168152%149.014900542444504
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September781117851%105135%139578%119.911990412368418
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October41862549%67762%82898%70.47040219237248
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November20132361%420109%505152%41.24120113147152
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December15928077%428170%521228%40.4404098150156
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Annual69697941%89128%113463%99.59950343312340
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