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Generators / Lister HA and Brush RS1B generator
« on: August 15, 2021, 03:37:27 PM »
Hi
I have just acquired a Lister HA 2 cylinder with a Brush RS1B alternator generator.
(3 phase 15 Kva)  it hasn’t run for 10 years.
The engine started on the button.
At this stage I didn’t know wether it was capable of generating any electricity.
I fired it up and all went well, until after about 90 seconds I could smell that familiar smell of burning electrics so I shut her down.

It appears that the fins have over heated and taken out a cable and melted the connected block. See photos.
Only the 2 right hand front fin sets have over heated.

Some questions:

What are the fins for? Is it the rectifier/ voltage regulator?
Why might they have over heated, a short some where?
I guess it is not worth repairing.

Can I fit a  modern voltage regulator?
Should I consider replacing the whole alternator?
The lister engine runs well, no oil leaks and in great condition, spins a 1500 rpm.

Is this suitable?
https://www.ebay.co.uk/itm/New-15KVA-400V-1500-Rpm-Stamford-UK-Diesel-Generator-Alternator-450-vat-/254634455766?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=710-127635-2958-0
I appreciate that there is some engineering required to mount it!

Any thoughts on this would be appreciated.
Thanks

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