Re: 6 volt regulator

Posted by John T on October 13, 2005 at 16:58:27 from (66.244.90.98):

In Reply to: 6 volt regulator posted by w400 on October 13, 2005 at 14:33:11:

W 400, I very much agree with the good advice n the good gents below. Adjusting Voltage Regulators is somethIng Im sure not smart enough to get into over the Net. Often you may be adjusting fairly critical spring tensions n air gaps etc. and with no specs you may do more harm then good. The cutout relay portion sort of between the BAT and GEN terminals isnt so critical, it basically is normally OPEN and pulls in when the Gens voltage exceeds that of the battery so it can charge it, but drops out otherwise like when the tractors off so the battery dont discharge through the Generator. The Field current control, however, is a tad more complicated and some VR's have current control while others have both voltage and current control.

Like janic pointed out and an ol buddy Gerald helped me understand, they sort of use something like pulse width modulation to control the net and effective field current which in turn determines the magnetic field strength and the Gens output. It dont know necessarily what its supposed to put out, that increases with faster RPM and/or added field current.

The first thing which may be safe to try at home lol is to NON ABRASIVELY keep the relay contacts clean n oxide free.

As Forrest Gump says "Thats all I have to say (plus about all I know) about that"

Good luck n God Bless

John T

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