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Who's here at 12:29:59 AM on 10/18/2017?
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 Automotive power inverters
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WheelSmoke
Advanced Member
MY PC

USA
1255 Posts

Posted - 12/15/2011 :  6:40:35 PM  Show Profile  Reply with Quote
Carried over from the KC's KRUISERS forum.

Balthazar, how is your power inverter project for the camera car going?





[RCG]Balthazar
Administrator
MY PC

Norway
489 Posts

Posted - 12/16/2011 :  3:35:11 PM  Show Profile  Click to see [RCG]Balthazar's MSN Messenger address  Send [RCG]Balthazar a Yahoo! Message  Reply with Quote
I just got the car back for the dealer, the dynamo died again...
I asked if theres a larger option, and theres now a 140amp which is less than half what you suggested.
Then I wondered if it is possible to install a bigger battery but theres no room for that.
Next step is probaly to figure out how much juice the video equipment draws i guess..

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BigDOGGe
Administrator
MY PC

USA
566 Posts

Posted - 12/16/2011 :  5:52:33 PM  Show Profile  Reply with Quote
Have you considered dual alts?

140A x 2 = _______


I've seen up to 3 of them running on one engine/serpentine belt for competition systems. Perhaps check high-end car stereo businesses (in person or on the 'net) and ask them if any dual-alternator kits or packages like that are available, or has to be custom built. They should know

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WheelSmoke
Advanced Member
MY PC

USA
1255 Posts

Posted - 12/16/2011 :  10:46:32 PM  Show Profile  Reply with Quote
Balt I was trying to say the dynamo (power inverter) you already have may be way to larger for use in a automobile. Standard automobile electrical system can only provide enough 12vdc power for small inverters.

quote:
Next step is probaly to figure out how much juice the video equipment draws i guess..
This is the first step right? To add up how many watts you will need and if you will need to buy a true sine wave inverter or if a modified is ok.



If it helps any I copied this snippet for a large inverter thats designed to use in automobiles. (400 watts)
quote:

Compatible Appliances
(Suggestions only. Check wattage of appliance before use.)

HOUSEHOLD APPLIANCES: Food processor, bar refrigerator, fluorescent and incandescent lights, sewing machine, electric fan, coffee maker, and small popcorn maker

POWER TOOLS: Drill, worklight, sander, buffer, and small grinder

ENTERTAINMENT ELECTRONICS: Television, DVD player, video game, stereo, music and satellite equipment

OFFICE EQUIPMENT: Laptop computer, printer, and fax machine

MOBILE ELECTRONICS: iPhone™ and other smart phones, cell phone, digital camera, and hand-held game consoles*





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[RCG]Balthazar
Administrator
MY PC

Norway
489 Posts

Posted - 12/17/2011 :  12:35:56 PM  Show Profile  Click to see [RCG]Balthazar's MSN Messenger address  Send [RCG]Balthazar a Yahoo! Message  Reply with Quote
Yea I considered going dual but theres no room for another dynamo.
True sine? I have no clue about this stuff but I need stable clean power as I'm running advanced robotics / electronics on it.
Wild guess:
1500w / 230v consumption when using the large camera robot and a litte less with the cutter.
The small robots maybe like 900w and pushrod cameras less than half of that.

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WheelSmoke
Advanced Member
MY PC

USA
1255 Posts

Posted - 12/17/2011 :  3:33:52 PM  Show Profile  Reply with Quote
Well that put a end to that. 8/

Lets see...
A typical car starter for starting the engine only draws half that much power.
A car battery would be only provide enough power for a few minutes at best.
You need large jumper cable size wire to carry that much current at 12 volts.





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WheelSmoke
Advanced Member
MY PC

USA
1255 Posts

Posted - 03/05/2012 :  4:05:43 PM  Show Profile  Reply with Quote
quote:
Balthazar, how is your power inverter project for the camera car going?


How about a project update when you have the free time? 8)
I'm just curious how thats working out so far.

Thanks
Dan





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KC
Head Honcho
MY PC

USA
3052 Posts

Posted - 03/06/2012 :  3:49:08 PM  Show Profile  Reply with Quote
It might also be interesting to see if a Lith batery pack could be deployed in between.


KC's Kruisers - It's all how you look at things ©¿©¬
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WheelSmoke
Advanced Member
MY PC

USA
1255 Posts

Posted - 03/06/2012 :  11:01:31 PM  Show Profile  Reply with Quote
Sounds like that stuff needs powered from a generator about the size they put in motor homes to me?





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