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Showing results 1 to 21 of 21
Search took 0.00 seconds. Search: Posts Made By: ramblinrod |
Forum: Lithium Power Systems 13-09-2018, 22:11 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
I was paying attention to the diagram posted. Not shown. BTW, this thread is supposed to be about commenting on the OPs FLA/LFP design. Who’s not paying attention? |
Forum: Lithium Power Systems 13-09-2018, 20:42 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
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Forum: Lithium Power Systems 13-09-2018, 10:47 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
John, if you are referring to post 160 and 165, I believe these are valid questions, and more relevant to the original post, than most. If you disagree, please feel free to disregard any responses... |
Forum: Lithium Power Systems 13-09-2018, 08:13 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Sticking to the facts as presented and using logic and reasoning (as I always do)... Incorrect. 1. The OP stated that he is not currently satisfied with his FLA. 2. The OP posted a system... |
Forum: Lithium Power Systems 13-09-2018, 06:44 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
So here is my question. If you have ample wind and solar to meet your charging needs most days (regardless of bat technology), why do you need all this LFP cost and complexity? I assume your... |
Forum: Lithium Power Systems 12-09-2018, 08:36 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
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Forum: Lithium Power Systems 12-09-2018, 05:33 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
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Forum: Lithium Power Systems 12-09-2018, 05:31 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
False. No where, did I assume or postulate, there was any FLA like sag associated with LFP. Knock off the insults. You are the one in error here. |
Forum: Lithium Power Systems 11-09-2018, 21:45 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
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Forum: Lithium Power Systems 11-09-2018, 21:25 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Cut-off is cut-off. Not having some voltage sag and things slow down to warn diminishing capacity, probably makes an under load cut-off event more inevitable. |
Forum: Lithium Power Systems 11-09-2018, 15:52 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Well there is certainly "disconnect" somewhere, because Mainsail won't even consult remote customers on LFP anymore because too many were zapping their electronics and trashing their LFP banks. |
Forum: Lithium Power Systems 11-09-2018, 14:27 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
So in far fewer words and in practical terms, if a person or BMS disconnects an LFP bank (without disconnecting load and charge sources gently first) there is a very good chance of: A) A... |
Forum: Lithium Power Systems 11-09-2018, 10:46 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
I think this statement is misleading. Very few cruisers (or wannabees) intending to anchor out off the grid, are opposed to wind and solar charging once they learn the benefits and overcome their... |
Forum: Lithium Power Systems 11-09-2018, 10:13 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Yes, I know how high voltage transient spikes are produced. Yes, it is very easy to produce high voltage transient spikes when suddenly switching a high current source in circuit. When it comes... |
Forum: Lithium Power Systems 11-09-2018, 09:56 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
OK, this is not supposed to be a FLA vs LFP thread, but I have to comment on this falsehood. With appropriate charge sources an FLA bank is pretty idiot proof. If the resting voltage before... |
Forum: Lithium Power Systems 11-09-2018, 09:41 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
This is not scaremongering. It is a fact that "we" (boaters considering LFP install) all need to be aware of. If the BMS disconnects the LFP bank for any reason, and it takes out all of the... |
Forum: Lithium Power Systems 11-09-2018, 08:58 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
This is not a LFP vs FLA thread. In my experience, which includes serving Caribbean and world cruisers, there are a lot of folks cruising and anchoring out who are not very electrical system... |
Forum: Lithium Power Systems 11-09-2018, 08:38 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Possibly, but there may be others reading this with little or no prior knowledge, who are thinking, "Wow, I can drop in an LFP battery and all is well." I disagree. 12 vdc nominal is... |
Forum: Lithium Power Systems 11-09-2018, 08:13 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Who's this "we"? Everyone who may read this thread? How do we (you and I) know that we (everyone on the planet who may read this) are all aware? I have been reading accounts of folks... |
Forum: Lithium Power Systems 11-09-2018, 07:14 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
Danger Will Robinson.... If you connect high current charging sources to a Lithium bank directly, when you hit HVD it can induce equipment damaging transients through all devices connected (think... |
Forum: Lithium Power Systems 11-09-2018, 07:03 |
Replies: 291
Views: 20,811
Posted By
ramblinrod
Re: LFP FLA hybrid
I concur. This eliminates the possible equipment damaging transients that can occur when a BMS LVD and HVC activates. It will also prevent alternator rectifier failure from sudden open circuit... |
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