Re: [RE-wrenches] Surrette Battery Question

2008-08-09 Thread William Miller
Allan: We recently experienced some problems charging a new set of IBE batteries with XW equipment. The apparent solution was reached just before I left for a back packing trip so I did not have time to post the results. Apparently, the flags on the IBE batteries developed a talcum powder l

Re: [RE-wrenches] Surrette Battery Question

2008-08-04 Thread Jeff Yago
The Surrette Tech Bulletin 614 is available for download at http://surrette.com/files/BU-RS-614.pdf. My understanding is that this bulletin is the direct result of the complaints on this list about two years ago about Surrette battery performance and life.   Allan   - - - - - - - - - - - - - -

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread robert ellison
Still using a standard type charger, 3 ph, 480 volt They start at 100 amp and go down from there. We replaced a high frequency charger that was no longer doing the job with a standard charger at one site. The hi freq would start at 110 amp and run for a while then remove the surface charge and rea

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread jay peltz
two years ago about Surrette battery performance and life. Allan -Original Message- From: jay peltz [mailto:[EMAIL PROTECTED] Sent: Sunday, August 03, 2008 1:41 PM To: Allan Sindelar Subject: Fwd: [RE-wrenches] Surrette Battery Question HI Allan, You mention about a Surrette tech b

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread jay peltz
Hi bob, Wow now thats unusual! So have you figured out a better charger or are using a IBE or similar? jay On Aug 3, 2008, at 6:02 PM, robert ellison wrote: The 80 volt battery banks are not on inverters, sorry I didn't mention that. They are 2 - 20 cell packs in series for 80 volts total.

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread robert ellison
The 80 volt battery banks are not on inverters, sorry I didn't mention that. They are 2 - 20 cell packs in series for 80 volts total. These power a Zamboni. I didn't know what one of those was either when they called me to work on the batteries 10 or so years ago. These are the machines that groom

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread Allan Sindelar
E-wrenches] Surrette Battery Question HI Allan, You mention about a Surrette tech bulletin, I can't seem to find it? Can you tell me where it might be on their site? Also I"m curious about you saying that hot modules isn't going to affect voltage drop. Sure it will. If the wire

Re: [RE-wrenches] Surrette Battery Question

2008-08-03 Thread Allan Sindelar
Wrenches, Thank you for the whole set of responses. I haven't been to the site yet, but plan to stop there this week. As the symptoms are not easily explained, I wanted to put the problem out for ideas here first, to reduce the chance of missing something. I will report back with what I learn. I

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread Travis Creswell
Energy Services -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of jay peltz Sent: Saturday, August 02, 2008 11:27 AM To: RE-wrenches Subject: Re: [RE-wrenches] Surrette Battery Question I presume there is a temp sensor on the CC and inverter. And if the batter

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread jay peltz
HI Bob, What are you using 80v battery banks for or which inverters anyway? Would be great for larger systems. thanks, jay peltz power On Aug 1, 2008, at 10:18 PM, robert ellison wrote: When i went to an SEI class at the Trojan factory one of the points mentioned was that the best way to g

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread jay peltz
I presume there is a temp sensor on the CC and inverter. And if the battery temps are higher then the voltage termination would be lower which could explain it. Or, I have seen them get off calibration which would cause a difference in charge set points. jay peltz power On Aug 2, 2008

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread Drake Chamberlin
Hi Allan, On a previous thread, it seems that Surrette batteries like a fast charge periodically. At one time (as I recall) is was recommended to give them a C/5 once a week, but the company said that was not necessary. I don't know of C/13 to C/18 charges would be enough. Can your custome

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread Todd Cory
Did this customer check the voltage of the individual batteries/cells? Maybe there is a weak cell developing. Sometimes EQing can take a long time. I do not "buy" that batteries need to be cycled to stay healthy. Todd jay peltz wrote: Hi Robert, When you mention cycling batteries, are you s

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread David Palumbo
Sindelar Sent: Friday, August 01, 2008 10:19 PM To: RE Wrenches Subject: [RE-wrenches] Surrette Battery Question Wrenches, In late 2003 we installed a 24V set of Rolls-Surrette 4-KS-21PS 6V 1104 A/hr batteries in the off-grid system of a long-time client. The client's system had a d

Re: [RE-wrenches] Surrette Battery Question

2008-08-02 Thread Richard L Ratico
Allan, The timing of the problem certainly points to your high seasonal temperatures as at least a contributing factor. What is your array voltage? If it is 24V, can you relatively easily rewire for 36 or 48V? Dick Solarwind Electric Bradford,VT ___

Re: [RE-wrenches] Surrette Battery Question

2008-08-01 Thread robert ellison
When i went to an SEI class at the Trojan factory one of the points mentioned was that the best way to get the lowest cost per watt from the battery bank (T-105's were at the time the lowest) was to cycle them to 80% discharge then fill them all the way up. Not feasible in an off grid system at all

Re: [RE-wrenches] Surrette Battery Question

2008-08-01 Thread jay peltz
Hi Robert, When you mention cycling batteries, are you saying that batteries in a offgrid system that are being cycled 15-25% a day should be cycled even deeper than that? Thanks, jay peltz power On Aug 1, 2008, at 8:36 PM, robert ellison wrote: A couple things that I haver noticed in the

Re: [RE-wrenches] Surrette Battery Question

2008-08-01 Thread robert ellison
A couple things that I haver noticed in the past, sometimes batteries like to be cycled, shut off the controllers and run them down, then charge them up fully and then give them an eq charge till it comes up the peak voltage and hold it there as it (sometimes) slowly rises. Any of these thoughts ar

[RE-wrenches] Surrette Battery Question

2008-08-01 Thread Allan Sindelar
Wrenches, In late 2003 we installed a 24V set of Rolls-Surrette 4-KS-21PS 6V 1104 A/hr batteries in the off-grid system of a long-time client. The client's system had a democracy array of around 800 watts of tracked PV. In early 2005 we added 1,280 watts of additional PV, and the client hasn't run