Forum Discussion
MrWizard
Aug 30, 2008Moderator
quabillion wrote:
Ok got some more test data here on Budracers generator.
The AVR label reads; 6A 6.5kw\60hz\120v\240v
Voltage reading between the avr main winding taps is 60v.
Voltage reading between the neutral and tap lead "W" is 240v.
Voltage reading between the neutral and tap lead "Re" is 290v
Voltage reading between the hot and tap lead "W" is 275v.
Voltage reading between the hot and tap lead "Re" is 305v.
Readings were taken with the gen in oem spec, no electric load.
After reading the label, i thought, ok, maybe. But after seein these numbers, im not sure agin:h
Professor, the wire schematic is a complete representation of the actual wiring harness. They really did build it just like that, no more, no less. The hots, neutral and ground are 8AWG, all else is 14AWG.
275-290-305
thats a peak difference of 30v and a 15v difference between windings and neutral
i've seen similar readings on other gensets, thats what happens between a little NO load 'back EMF' where the tap might a turn or two of wire off dead center.
so one way your reading a 'little ' extra and the other way a little less
I wouldn't worry about those numbers,
that 60 volt reference into the AVR from tapped windings, means 'run it as is' or get a replacement genny,
I doubt any changes could be made using the current setup
a replacement AVR that uses 120 volt ref, and total removable of the OEM AVR, might work, but you need to measure the OEM AVR out put voltage ( field voltage required, 24, 28, 30 ? )and find one rated at the voltage and enough field amps for 6k genny
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