--------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAI00000 Date: 06/11/97 From: KEVIN CROSBY Time: 10:30pm \/To: ALEC CAMERON (Read 2 times) Subj: 110 AC vs DC homepower AC> JK> As far as I know the reason for AC is that it is transmissable over AC> long AC> JK> distances which might not be a large factor if self produced. AC> AC> That's just a bit of it. There are some very long DC lines [1000miles or AC> more]. Notable ones include Volgograd- Donbass [1400 mi I think], ngland- AC> France, Los Angeles- Washington, Vancouver Is to Canada, Sweden- Denmark AC> and AC> NZ North to NZ South [under ocean]. AC> AC> Other advantages of AC- light, cheaper, reliable motors. AC> switch and circuit breaker design and mfr simpler AC> no electrolysis [corrosion due to DC] AC> wiring to instruments and relays at control desk AC> is AC> easily insulated from the power conductors AC> can easily interconnect several power systems AC> The major advantage of AC power (and the reason for it's commercial use) is the fact that transformers can be used to step-up or step-down the voltage. This allows you the step up the voltage at the transmission point to a level where the line loss due to the resistance of the tranmission lines becocomes negligable in comparison. This high voltage is then stepped down at your local substation, and yet again before it actually hits your meter. Kevin ...This copy of ProBoard has been unregistered for 80 days! --- ProBoard v2.15 [EVALUATION] * Origin: Unknown System West Richland, WA (1:3407/25.2) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAI00001 Date: 06/12/97 From: JACK LORANGER Time: 10:28am \/To: OLIVER KNEIP (Read 1 times) Subj: solar power OK> can anyone let me know what a good book on solar power OK> and how to wire solar panals and batterys and DC to AC OK> converters thanks... I don't know of any books offhand, however I do have several files available for download in the HOMEPOWER files area of my BBS. Call 360-837-3299 the Electronic Educator. You may download on the first call, and there is no charge for system access. jack --- Maximus 3.01 * Origin: Electronic Educator (1:105/114) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAI00002 Date: 06/13/97 From: ROY J. TELLASON Time: 09:07pm \/To: JACK LORANGER (Read 1 times) Subj: solar power Jack Loranger wrote in a message to Oliver Kneip: OK> can anyone let me know what a good book on solar power and how OK> to wire solar panals and batterys and DC to AC converters OK> thanks... JL> I don't know of any books offhand, however I do have several JL> files available for download in the HOMEPOWER files area of my JL> BBS. Call 360-837-3299 the Electronic Educator. You may JL> download on the first call, and there is no charge for system JL> access. I don't have any LD service here at the present time, but would be interested in getting some of this stuff. Any chance you could email uuencoded copies of some of it to me? (I don't have web or other internet access at present, either.) email: roy.j.tellason%tanstaaf@frackit.com --- * Origin: TANSTAAFL BBS 717-432-0764 (1:270/615) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAJ00000 Date: 06/14/97 From: ALEC CAMERON Time: 12:11pm \/To: ELVIS HARGROVE (Read 1 times) Subj: 110 AC vs DC homepower Hi Elvis On (10 Jun 97) Elvis Hargrove wrote to Alec Cameron... -> Hi everyone, I am back for a few months. Cheers...ALEC EH> Hi Alec! Glad to see yez. Missed ya in here. Wherer ya been hiding? Lots of distractions, wife had several spells in hospital and something had o give! There are so many great Echos that I tend to evolve from one to another as the years pass. The days aren't long enough. I shall disappear again, get used to it! Getting close to 70 yrs so Decline Incompetence and Grim Reaper are approaching my orbit. Just finished making a silly wee generator for micro power, garden shed battery lighting [future windmill]. Used a 240v canopener motor, hacksawed deep flats onto the rotor to hold circular magnets araldited there, giving a permag rotor spinning in a laminated stator. Re assembled, it works BUT I shall need an unusual dc>dc converter to step up the voltage to about 15v. The project intended, to give me ideas whether practical using a larger machine. Only delivering about 1 volt at 200rpm presently. Cheers....ALEC ... ...Starting from a conclusion is bad research [John Harrison, Dunblane SCT] --- PPoint 1.92 * Origin: Bundanoon, Southern Highlands, NSW AUS (3:712/517.12) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAJ00001 Date: 06/13/97 From: RICHARD JANK Time: 10:25pm \/To: JACK LORANGER (Read 1 times) Subj: solar power Jack Loranger wrote in a message to Oliver Kneip: JL> I don't know of any books offhand, however I do have several files JL> available for download in the HOMEPOWER files area of my BBS. Call JL> 360-837-3299 the Electronic Educator. You may download on the JL> first call, and there is no charge for system access. JL> jack Are the files available for FREQ? if so, please list the filenames and I will come and get'em. TTYL, Richard --- timEd/2 1.10+ * Origin: DPSystem:4285 OS2_WARPED 520.290.8418 Courier V.34+ (1:300/105) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAJ00002 Date: 06/14/97 From: ELVIS HARGROVE Time: 10:23pm \/To: ALEC CAMERON (Read 1 times) Subj: 110 AC vs DC homepower -> used to it! Getting close to 70 yrs so Decline Incompetence and Grim -> Reaper are approaching my orbit. Know what'cha mean. My three-score is wearing on me seriously. -> The project intended, to give me ideas whether practical using a -> larger machine. Only delivering about 1 volt at 200rpm presently. -> Cheers....ALEC My most effective (and simple) micro-wind machine was a rewound Bendix (Red tagged) Aircraft mag. I filled the winding area with #20 magnet wire and applied a small fan blade off a table fan, and that sucker would put out 13-15Vac in a light wind. Rectified it with a bridge and used it to keep a 12vdc bank charged. Worked pretty darn good! ^..^ --- FidoPCB v1.5 beta-'j' * Origin: BOO! Board Of Occult, Rio Grande Valley Texas (1:397/6) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAM00000 Date: 06/14/97 From: CHARLIE YOUNG Time: 08:06pm \/To: DRAGONSONG (Read 1 times) Subj: 110 AC vs DC homepower > we wish to run a computer off of 12 volt deep cycle > batteries with out having to run a inverter(power loss) The most efficient computer would probably be a notebook, although some notebooks prefer 16V. Three 6V batteries (18V) would probably work good. Don't completely rule out an inverter -- the square wave versions are very efficient. You would probably get more replies if; - you used your real name, or - put your real name somewhere in the message :) --- PCBoard (R) v15.3/M 2 * Origin: The Ether Net Amateur Radio BBS (1:3821/7) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAN00000 Date: 06/17/97 From: ALEC CAMERON Time: 07:42pm \/To: ELVIS HARGROVE (Read 2 times) Subj: 110 AC vs DC homepower Hi Elvis On (14 Jun 97) Elvis Hargrove wrote to Alec Cameron... EH> My most effective (and simple) micro-wind machine was a rewound Bendix EH> (Red tagged) Aircraft mag. Great, you got a decent magnet. I thought to use an auto thermatic fan but guessed it would be short on voltage induced. I filled the winding area with #20 magnet EH> wire and applied a small fan blade off a table fan, and that sucker EH> would put out 13-15Vac in a light wind. Assume you mounted it high. I have tried table/ pedestal fans but only 10ft above ground.. too slow. Describe the slip ring design? Or did you restrain the head so it will swivel no more than 360 deg?? Rectified it with a bridge and EH> used it to keep a 12vdc bank charged. That's the easy part! Cheers....ALEC ... ........BUNDANOON, on a highlands crest: Each day cool, next day colder. --- PPoint 1.92 * Origin: Bundanoon, Southern Highlands, NSW AUS (3:712/517.12) --------------- FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EAP00000 Date: 06/19/97 From: ELVIS HARGROVE Time: 09:44pm \/To: ALEC CAMERON (Read 2 times) Subj: 110 AC vs DC homepower -> Great, you got a decent magnet. I thought to use an auto thermatic -> fan Those old Bendix mags had STRONG magnets. -> Assume you mounted it high. I have tried table/ pedestal fans but -> only 10ft above ground.. too slow. Describe the slip ring design? Or -> did you restrain the head so it will swivel no more than 360 deg?? I had it on top of the peak of my shop. Caught the up-slope wind from either side. worked good. big tail. I didn't use any slip rings as my swivel was not all that accurate. I wrapped the feed wires, (lamp cord) around the swivel several times, and only had to unwind it once in a couple of years. Temporary, became permanent and worked too well to fool with. -> That's the easy part! Cheers....ALEC And when I added a 24 volt battery bank I used a big old low voltage cap to build a doubler for it. Didn't have QUITE enough wind for that, but it beat not charging it at all. Ran a car radio (Solid state) off the 12 volt bank all day during the week. ^..^ --- FidoPCB v1.5 beta-'j' * Origin: BOO! Board Of Occult, Rio Grande Valley Texas (1:397/6) --------------- ** A related thread FOLLOWS this message. FIDO MESSAGE AREA==> TOPIC: 272 HOME POWER Ref: EATS2552 Date: 06/24/97 From: DAY BROWN Time: 11:42pm \/To: ELVIS HARGROVE (Read 2 times) Subj: R: 110 AC vs DC homepower A few years ago, I tried to make a touch switch for a 12 vdc desktop computer I was building. The 555 oscillator circuit was triggered by a change in the frequency at touch, and it occurred to me, that it would discharge any static in my body even before the relay turned on the computer. But despite checking the circuit several times, it would not work. Well, I drove over to Collins' to hook up to a 12 volt battery charger and brought along the battery to run the new computer. Worked like a charm, so at first I thought that it was somehow picking up the AC ripple of the battery charger, and how that mighta been affecting the oscillator in some way. Then when I showed it again to Collins, I realized that 1- it worked fine, but 2- I had forgotten to hook up the battery charger, and it was running directly off the car battery. hmmm. took the computer and battery outside, put them on the pickup tailgate, and it was dead again- no trigger. hmmm. took them back into his shop, turned on the lights, and voilla! the touch switch boots it up fine. huh? Come to find out, that the 60 cycle AC magnetic waves were being absorbed by my body when in the shop, and triggering the 555 oscillator, but when outside, or in my 12 volt home, there were *no such magnetic waves* and it didn't work. Some folks worry about the waves from the VGA that they sit in front of a few hours a day, rather than the electric blanket they sleep next to. Duh? Is frequency important? --- * MikeMayl v1.0 *