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Re: Re: Emergency Power Generator
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Posted by JMS/MN on February 13, 2003 at 22:22:36 from (65.237.15.133):
In Reply to: Re: Emergency Power Generator posted by Errin OH on February 13, 2003 at 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.
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