Tuesday, December 1, 2009

RV batteries, generators and solar panels?

I have a question that is probably so basic that is why nobody has covered it. Everytime I mention generators being loud and not campground friendly they boast that the new models are quieter...quieter maybe but noise is noise non-the less and it's not a road I'm willing to go down...ever!



That leaves solar and battery banks right? I currently have 2 batteries and starting comparing prices on solar and it's still quite expensive. Up here in the north a decent solar setup will still run you in excess of $800 CDN. A sealed battery for my RV is just about $100 so I'm wondering how much bang for my buck I'll be getting by adding new batteries? How many batteries are overkill...is there such a thing as too many? I understand the virtues of solar but what I don't have is information about battery banks?



RV batteries, generators and solar panels?graphics for myspace





You said you are not looking for information about a generator but looks like everyone wants to offer generator info anyway.. Too funny..



What is over kill for a battery bank? The easy answer is anything over what you need is over kill. Get a kil-a-watt meter (40 USD) and find out how many watts you normally use in 24 hours.. If you are using a 12 volt battery bank divide that wattage number by 12 volts. This will give you how many AH's you use. You NEVER EVER want to run a battery bank lower then 50% discharged. So double the above number and you will have your battery bank size in amp hours.



Now that you know how many AH's in batteries you have mutliply that number by .05 and you have the Amps you need in solar modules.



Example.. If you have a 450 AH battery bank (4 Trojan T-105)



450 * .05 = 22.5 amps at 12 volts.



Now amps times volts gives watts so



22.5 * 12 = 270 watts in modules minium.



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well about the generators you can modify the mufflers by adding extra mufflers or make one of your own and adapt it and solars are getting pretty good but of course they are expensive and if they are protected during storage and traveling they can last a long time as for batteries you will have to calculate the load needed to run for a certain numbers of hours before you need to recharge them(watts x hours = watthour capacity)some have what you call amperagehour rating they are convertable like 12Volts x 30 amps =360 watts
get a different muffler to quite the motor, and 3 1000 amp truck batteries will power your lights for 3 days,as long as you don't use a microwave.

Anyone know sites for Promo-code generators?

I would like to know if anyone knows a sites for promo-code generators for the game " Warrock " that i play



I would prefer to have free sites if possible



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Back up Generators and Irrigular power?

Sometimes Back up Generators create serious problems for IT professionals. Sometimes the voltage drops so low and the current is so high that power supply PC boards actually burn up do to massive current.



What products or product deals with this issue specifically. If the voltage drops so low or is too high, it kills the power, and not allow it through. When the power becomes stable it allows the power to go through. What is this product?



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you should plug anything that sensitive into a ups.



If it a big load feed it from some kind of drop out relay controller with a surge suppressor, but if you have anything that big and sensitive you should have electricians and technicians to maintain it.



They make over under voltage drop out controllers you can hook up they are pretty simple we had a bunch of them when i was on a ship. They where built into the distribution system so i don't know who would sell them. I would say contract and engineering firm or electrical company to design and upgrade your electrical system.



If your generators are dropping off that much either you are seriously overloading them or they are not maintained well. In which case you should either put less circuits on them or get them fixed.



still seriously put your computers and what not on ups.



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First of all the sensitive equipment should be plugged into or fed from a UPS(uninterrupted power supply).Secondly your generator is not maintained very well if you are getting that much of a curve in your amp draw and voltage supply.I work at a mental health facility and we have this equipment in place for our protection and works great,but we also maintain and test our generators according to JAHCO standards.The UPS system keeps the power supply at a constant voltage no matter who is giving you power(utility or generator).
The product is called a stabilizer transformer. You can get it in 120 volt ot 220 volt. If it's 120 volt, the input can drop say to 70 or 80 volts and the output still stays at 120 volts, or the input can go to 200 and you still have 120 output. Also have your generator checked to see if it is turning 3,600 R P M under load. The load on a generator acts like a brake trying to slow it down, the governor opens up to maintain the speed.
yea, sounds like your generator is a piece of crap. sorry to break it to you.



it may be a good idea to have it serviced or replaced.



however, i have read about a company that builds and sells power filters. there was a story about a company geting wild swings in interference in there sensitive equipment. it ended up that they had flucuations in there incoming power(dirty power) the voltage would swing up or down 15 volts or the phases would get these strange drops and spikes(something about the look of it on an occiliscope) the filter was to be installed on your incoming power suply from your transformer(about as big as a large transformer as well) it would take in the power and stabalize it in order to keep a uniform optimal level of quality. it said that it was important to get one that was properly sized for your demand because it would be hard for the filter if it was under loaded or over loaded. search around for it on the internet.
Do some research into flywheel UPS's, if your load is large and the transients are of relatively short duration.

What electric motors can be used as generators?

I want to do a small scale project and I would like to know what motors are the most efficient for generating electricity and what motor can do it(ac or dc) also I have an old starter motor an I was wondering if it would work as a generator



What electric motors can be used as generators?myspace co uk





For small projects, you want a permanent magnet DC motor (preferably with ball bearings).? You can re-wire a brushless DC motor to operate as an alternator, if you know what you're doing.



Parallel-wound DC motors can be made to work, but I doubt you'll find any small enough.? Series-wound motors are very difficult to use.? Induction motors are also very difficult, well beyond what would be worthwhile in a small project.



Car starter motors are series wound, and won't work easily; you have to have current running through them before they will start to generate voltage.



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you can use a dc motor... this es perfect for your project
Virtually all electric motors can be used as generators. Of course, some are more efficient than others.



A car starter motor makes a pretty good generator. I once set up a stationairy bicycle to drive a starter motor to power a small 12V television. I included a car battery in the circuit so that you could stop pedaling for awhile without the TV going dark.
dc motor can be used as a generator
a screwdriver, fan, tape player, cd player, and almost any power tool all have good motors. some have gears so you can get the motors to spin faster

Are there any myspace code generators for comments, messages and bulletins?

I know there are tons of myspace code generators for layouts but Im looking for a code generator to add fonts, font sizes and images to myspace comments, messages etc. Does anyone know of any?



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What are the different types of Generators used to produce electrical power?

What are the different types of generators used to produce electricity? We were told that there are 6 types of them. Please answer, i need it ASAP! Thank you very much.



What are the different types of Generators used to produce electrical power?christian myspace





1. The Famous electrostatic generators are friction machines



a) Holtz, and Wimshurst generators



b) Van de Graaff generators



For a few more(see ref below)



2. Faraday disk



3. Dynamo



4. Alternator



5. Asynchronous or induction singly-fed generator, the doubly-fed generator, or the brushless wound-rotor doubly-fed generator



6. MDH - magnetohydrodynamic generator



I hope it helps

Rows generators used in windy locations... does the power affect speed and wind? 10 PTS?

Hi



Q: rows of wind-powered generators are used in various windy locations to generate electric power. does the power generated affect speed of the wind? would locations behind the windmills be windier if they werent there?



Thank you so much im stumped! (;



Rows generators used in windy locations... does the power affect speed and wind? 10 PTS?sexy myspace





i dont think so because when we look how the wind is created, we see details that aren't affected by the windmill. In particuler, the wind occurs beacuse of the pressure difference. In mountain places, the pressure is lower at the top of the mountain so the air moves from low pressure to high pressure. Windmill doesn't affect that for sure!



but the speed of the wind i think would be slower. The air actually does work and loses kinetic energy. And the total energy decreases, while affecting the speed.



Hope that helps!

 
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