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Charging e-Motion with wind and solar…how?

posted Oct 13, 2008 7:11 PM by mickey p

Another question I have (maybe I should just add a post for questions rather than several posts) is charging the 144V bank using sun and wind.

Obviously, the bank gets charged under sail as the prop free-spins.  But, if the 144V bank is the main "house" bank,  how do I charge it using solar and wind at anchor? Do I need 12 panels and 12 wind generators?  that'd get noisy quick. Not to mention the wiring!  At some point this increases the 144V wires running through the boat.

Comments?

e-motion hybrids links and info

posted Oct 13, 2008 9:55 AM by mickey p   [ updated Oct 13, 2008 10:58 AM by mickey p ]

Links

e-motion youtube videos

e-motion website

Some stuff not immediately clear from their website

A very rough estimate on their 9kW motor and 10kW generator "complete" setup is $30-35k

  • The 144VDC battery bank acts as the house bank
  • The 12V bank acts as a starting battery/capacitor to handle high-amp loads or for things (such as a bilge pump) connected directly to the battery and bypassing the 144V system
  • As of Oct 12, the Battery spec sheet on their website lists the wrong value for volume in L: this value should be multiplied by 10.

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