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Old 08-12-2009, 08:16 PM   #1 (permalink)
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Bonjour, je serai bref, j'ai pas trop le temps :P
1 grand fan du site, ecolo, interessé a faire une bicyclette a moteur en premier pour ensuite faire la voiture. Je veux comprendre comment ça marche avant d'investir plus de 1000$.
Question : je lis sur des sites que 24 batteries de 6 volts peuvent ammener plus loin que 12 de 12. C'est un site qui vend ses kits. Est-ce causé a cause des plugs en serie ou en parallele? si c'est ça j'aimerais savoir comment exactement je prolonge le range. Est-ce de garder un voltage bas (pour avoir du 90 km/h) pour durer plus longtemps? Si vous connaissez un bon tutorial sur ce site, ou autre, j'aimerais bien le lire. Je comprends tres bien l'anglais.

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Old 08-31-2009, 12:25 PM   #2 (permalink)
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The energy you get from the batteries is the same, but losses are a function of the current. Energy is power x time eg watt-hours.
But the losses in the system are a function of the current squared . So if you reduced the current by half, you reduce the losses by 4x, even though you are getting the same power (( volts x amps) .
That is why higher voltages are gaining popularity.
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Old 03-15-2010, 07:24 AM   #3 (permalink)
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Hey salut!

Ce le fun d'avoir un autre Québécois ici! Pour es questions techniques sur les VE tu risque d'avoir plus de succès du côté anglo.

Bienvenue!

Martin
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Old 10-14-2010, 12:04 PM   #4 (permalink)
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well, got it! thx very much!

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