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Size Solar Panels for Cruising Boat

Many people live a dream from the boat to faraway exotic places cruising. Some of them fill their performance requirements by performing motor-driven alternator that charges batteries. Many others, however, charge their batteries with solar panels.

A Problem sailors have with solar cells will determine how many plates are required, and the size of each panel. A few simple calculations use nearly every cruising sailor can determine the size of the solar panel system that is required. Make a note of hourly electricity demand to all electrical devices and accessories.

Size Solar Panels for Cruising Boat

hourly requirement is normally located on back of appliance or in user manual. Add anticipated number of hours of use for each electrical appliance or accessory during week. For instance, laptop computer uses approximately 40 watts of power per hour.

If laptop were used one hour day for seven days during week, then there would be total of 280 watts of power used per week for laptop. Add amount of electricity used by each electrical appliance and accessory together to form weekly power requirement. Use average sun chart to determine average number of hours of sun that is available in cruising area.

total number of hours of sun that is available is usually much less than often believed by sailors. total number of hours of sun that are available on average day in tropical setting is normally between four and six hours. This average is lower in northern climates, and is also lower during winter.

Determine size of solar panel needed. Divide total weekly watt requirement by seven to determine average daily requirement. Divide that by average hourly amount of sun available per day.

result is size of solar panel required. For instance, if total weekly load is 3500 watts, you would take 3500 divided by seven, and divide that total by five for average amount of sun available on average day in tropical setting for figure of 100. Purchase 100-watt solar panel system to charge batteries and supply power to cruise boat in selected cruising area.

We hope this information about “How to Size Solar Panels for Cruising Boat” is really helpful to you as well as other information related to Solar_Energy

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How to Size Solar Panels for Cruising Boat

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