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Showing results 1 to 19 of 19
Search took 0.00 seconds. Search: Posts Made By: tuomas
Forum: Electrical: Batteries, Generators & Solar 03-08-2014, 13:10
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

I hope this does not get messy... Anyway, I am happy with my Sterling, happy with my perfectly working alternator, happy with my battery monitor, happy with my amphr consumption and production and...
Forum: Electrical: Batteries, Generators & Solar 02-08-2014, 08:36
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Doucement, says the French. Well, of course this is true but the overall situation is completely different compared to the case without Sterling, where I did not get ANY absorption charging at all...
Forum: Electrical: Batteries, Generators & Solar 01-08-2014, 22:50
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Sorry mixed up the terms: meant absorption charge but said bulk. Anyway, on calm days with motoring of 3-4 hours I get full batteries.

Someone had installed a push button to fire the alternator if...
Forum: Electrical: Batteries, Generators & Solar 31-07-2014, 00:01
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Well, according to my battery monitor it's not wrong. With a long engine operation I meant several hours.
Forum: Electrical: Batteries, Generators & Solar 30-07-2014, 13:38
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Some conclusions after a 5 week holiday sail and new leasure battery bank of 270 Ah: Sterling is a very good peace of equipment. Steady 44 amps running into the battery, so leaving in the morning +...
Forum: Electrical: Batteries, Generators & Solar 18-05-2014, 11:41
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Here are some initil results:

During weekend I used the 210 ah consumer battery bank to some 75% level and started the engine to see what happens. At some 1/3 rpm I saw 42 amps going to the...
Forum: Electrical: Batteries, Generators & Solar 18-05-2014, 11:35
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Hellosailor, thanks for the comprehensive clarification. I think Sterling is none of these.

My problem was the voltage needed to the alternator output B+, too. I did not touch the wirings to D+...
Forum: Electrical: Batteries, Generators & Solar 16-05-2014, 23:07
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

What do you mean by three-wire vs. one-wire system?
Forum: Electrical: Batteries, Generators & Solar 16-05-2014, 02:04
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Indeed - while installing and testing I noticed that the alternator does not completely magnetize on idle rpm when B+ is touched with 12V. Sterling flashes its leds but goes silent - measured only...
Forum: Electrical: Batteries, Generators & Solar 15-05-2014, 05:58
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Hi again - just finished installing Sterling AB12130. Otherwise easy installation, but the standard VP MD2040 alternator needs voltage to B+ too to magnetize, due to diodes inside there is normally...
Forum: Electrical: Batteries, Generators & Solar 08-12-2013, 02:43
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Thank you everybody for the very interesting, frequent and relevant contributions to this topic - this became much more interesting than I ever thought!

Keep them coming, but here are my mid term...
Forum: Electrical: Batteries, Generators & Solar 07-12-2013, 10:21
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not Fully Charge the Batteries

Now, after some thinking, let me be more specific:

Volvo states that the engine is delivered with extra sensor disabled, i.e. the the sense wire is shortcut to B +. Therefore, the regulator must...
Forum: Electrical: Batteries, Generators & Solar 07-12-2013, 01:38
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

Well, after having second look...the 14.2 volts seems to refer to the regulator nominal output...too early conclusions.. surely the alternator can produce higher voltages..?
Forum: Electrical: Batteries, Generators & Solar 06-12-2013, 23:40
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

I mean offline measuring, the alternator is on my desk now.
Forum: Electrical: Batteries, Generators & Solar 06-12-2013, 23:00
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

I tried to find the voltage drop of 702 in the internet but did not find it. If it is really 0.6 volts then the case is clear: despite the remote sensing (that I do have and is correctly installed)...
Forum: Electrical: Batteries, Generators & Solar 06-12-2013, 06:50
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

Hi all, here is some updating:

Checked the alternator: measured the diode bridge - ok, checked the carbon collectors - ok. I did notice oxidized connections and that the cables from alternator to...
Forum: Electrical: Batteries, Generators & Solar 24-11-2013, 01:58
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

Thanks for further posts.. My judgement on the state of the batteries is based on the fact that after a shore charger I get 12.7 volts to the bank but some ten hours after the ten hour drive I got...
Forum: Electrical: Batteries, Generators & Solar 21-11-2013, 11:28
Replies: 108
Views: 17,739
Posted By tuomas
Re: Alternator does not fully charge the batteries

Thanks folks, yep this begins to be my diagnosis, too. And I just realized I have started the engine several times with shore charger on which must be identical or even worse for the rectifier as...
Forum: Electrical: Batteries, Generators & Solar 21-11-2013, 04:34
Replies: 108
Views: 17,739
Posted By tuomas
Alternator does not Fully Charge the Batteries

Hi, to continue with battery issues..

Transferred the boat on Saturday by driving some ten hours with the engine.

To my surprise, batteries were not full after that, only 12.5 volts. I also...
Showing results 1 to 19 of 19

 
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