Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo Auction Link (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Discussion Forum

Re: Emergency Power Generator

[Show Entire Topic]  

Welcome Guest, Log in or Register
Author 
Errin OH

02-13-2003 08:13:27




Report to Moderator

A couple things to think about, 20hp @3600 rpm is the requirement to run it at full power (7200w). As for your setup, ie. 7 to one or 3 to 1, the hp requirements will change. Because you are stepping up, with 7 to 1 you need something like 140hp PTO hp to produce 7200w (60hp at 3 to 1). Likewise I would figure 20hp stepped up 7-1 would only produce something like 1000w before the tractor stalls. 20hp/7=3hp at gen, (6hp @ 3-1 ratio) figuring (7200w/20hp=360w per hp) You would be looken at 1080w and 2100w respectively. I am sure these are not exact figures and it does not mean it won't work. But if you are want 7200w you need the hp to get it (ie.. PTO hp x step up or an gen that will work at lower rpms). Regulation is another story and as stated in previous post, could be a real problem if your gov is not up to snuff. A miller 225 welder fit my needs just right at 7500w. But it has its own 20 hp twine cyl engine and internal reg. Good luck.

[Log in to Reply]   [No Email]
JMS/MN

02-13-2003 22:22:36




Report to Moderator
 Re: Re: Emergency Power Generator in reply to Errin OH, 02-13-2003 08:13:27  
I remember Farmall advertising of the Electrall in the late 50s, showing it powering a baler with an electric motor. Obviously, it never caught on, so THAT point is moot. In regard to pto alternators, since about 1977 I've had a 25/45 kw alternator which is capable of starting at least a 10hp electric motor. 25kw is the normal operating load, 45kw is the starting max. With a D17 gas I can run it, but the tractor is not responsive enough to maintain an even flow of power at a steady voltage, full power. The 3020 diesel or larger tractors hardly notice when starting additional motors, and maintain an even level of voltage. The gas tractor was fine for winter outages overnight, keeping the house warm and dairy barn operating, but for milking (10hp vacuum pump, lights, fans, etc.) the 3020 was a better match. Milk cooling and feeding motor usage was staggered because total power could approach 35hp. I would caution purchase of a power unit from Harbor Freight- used 10-15kw pto alternators are cheap. NEVER use without the double-throw switch at the power pole. Our REA will disconnect any customer without that lineman protection. And belt drive would be a mickey-mouse creation.

[Log in to Reply]  [No Email]
RAB

02-13-2003 09:32:04




Report to Moderator
 Re: Re: Emergency Power Generator in reply to Errin OH, 02-13-2003 08:13:27  
Sorry Errin, but you are wrong, wrong, wrong. Please consider where the rest of the power would be going! 100HP is equivalent to 75 kW!
Regards, RAB



[Log in to Reply]  [No Email]
[Show Entire Topic]     [Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home  |  Forums


Copyright © 1997-2023 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy