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Offline snaffle

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alternator
« on: July 05, 2012, 08:27:01 PM »
Hi all, does anyone know the power output for this bike, I would like to load it up with sat nav, fog lights and in particluar heated gloves and vest for the mrs. Other bikes i.e. triumph are advertising the high wattage on their new models  to accommodate all the add ons and it would be good to know many gadets can be loaded onto the versys. Cheers And.

Offline BikeRNick

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Re: alternator
« Reply #1 on: July 06, 2012, 04:04:25 PM »
From the workshop manual

Charging System
Type Three-phase AC
Alternator Output Voltage 44.8 V or more at 4 000 rpm
Stator Coil Resistance 0.17 ∼ 0.25 Ω at 20°C (68°F)
Charging Voltage (Regulator/Rectifier Output Voltage) 14.4 ∼ 15.0 V

Hope that helps

Offline Bloke

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Re: alternator
« Reply #2 on: July 07, 2012, 06:19:31 PM »
364W; same as the 650 I believe. The optional aux power socket on the clocks is rated for 45W.

Typical 55W lamps x2 =110W. Might be better to look at LED lamps?
« Last Edit: July 07, 2012, 06:22:10 PM by Bloke »
All right everyone, line up alphabetically according to your height.

Offline snaffle

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Re: alternator
« Reply #3 on: July 09, 2012, 09:32:33 PM »
cheers both, i'm not sure what all the info BikeRNick has given but it sounds impressive  :lostit:

Offline Frost

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Re: alternator
« Reply #4 on: September 18, 2012, 06:36:40 PM »
Is that 364w EXTRA?  After factoring in all the electronics to run the bike?

Offline Zebedee

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alternator
« Reply #5 on: September 18, 2012, 06:45:27 PM »
I am running intercom, power outlet for iPhone, Satnav and 150W spots through an auxiliary fusebox fed from the battery which takes its switch feed from the dip beam circuit so they do not take power from the battery until the engine is running without any issues. And 364W is total output not spare output.
Time is a drug, to much of it will kill you!!!!!!!

Zebedee

Offline Frost

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Re: alternator
« Reply #6 on: September 18, 2012, 08:35:23 PM »
any idea how much spare output do we have on our bikes?

Offline wozzamatta

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Re: alternator
« Reply #7 on: September 19, 2012, 04:30:37 AM »
*Originally Posted by Bloke [+]
364W; same as the 650 I believe. The optional aux power socket on the clocks is rated for 45W.
Typical 55W lamps x2 =110W. Might be better to look at LED lamps?

Yep, I would have guessed around 360W @ 5,000 rpm which is the usual max output revs for Jap bike alternators.

The main fuse is 30 Amp so a reasonable guess would be that max load would be around 25 Amps and @ 5,000 rpm the voltage would be at max and somewhere around 14.5 Volts so a conservative estimate would be 360 Watts (25 x 14.5).

Don't forget though, 360 Watts @ 5,000 rpm doesn't mean that it will be 360 Watts at lower revs, at 100 kph cruising the bike is doing less than 4,000 rpm so alternator output would be less than 300 Watts.

Also be aware that if you put too much electrical load on the system the battery will not charge and will slowly discharge as you ride.

Here is quite a good (but very general) link that will help to guesstimate how much spare capacity there may be in the system.

http://www.powerlet.com/learningCenter/excessCapacity
2012 Kawasaki Versys 1000
2015 KTM 1050 Adventure

 



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