Re: [RE-wrenches] Imbalanced Legs in 3-Phase systems

2008-08-08 Thread jay peltz
Hi Bill, Can you explain why the 6kVA rule on split phase systems? I mean why 6? thanks, jay peltz power On Aug 8, 2008, at 8:48 PM, Bill Brooks wrote: Jeff and Ryan, The 6kVA value comes from the California Rule 21 that I worked on. It only applies to split-phase 240V systems (6kVA on 1

Re: [RE-wrenches] Imbalanced Legs in 3-Phase systems

2008-08-08 Thread Bill Brooks
Jeff and Ryan, The 6kVA value comes from the California Rule 21 that I worked on. It only applies to split-phase 240V systems (6kVA on 120V). There is no specific limit for imbalance on a 3-phase service. A basic rule for single phase generation on a 3=phase service is to rotate among the phases

Re: [RE-wrenches] Tax Deductible RE Donations

2008-08-08 Thread Joel Davidson
Yes. contributions to Redwood Alliance qualify for tax deductions. Also, giving equipment and services (education, training, consulting, etc.) to local churches, schools may qualify. - Original Message - From: "Michael Welch" <[EMAIL PROTECTED]> To: "RE-wrenches" Sent: Thursday, Augu

Re: [RE-wrenches] Imbalanced Legs in 3-Phase systems

2008-08-08 Thread Ryan Mayfield
Jeff, My memory also recalls something about a 6kW value. I've talked to one of our local utilities about this as well and they base the accepted imbalance by the size of the transformer serving the building. I have never read their white paper on the subject though. When I described a similar s

[RE-wrenches] Xantrex GT250 issues, heads ups, performance?

2008-08-08 Thread Geoff Greenfield
Greetings wrenches- Looking for field experience on the GT250 (or GT100). How long has your install been running? Performance? Any "gotcha" stories, "heads ups" or advice appreciated. Thanks to all! For a brighter energy future, Geoff Greenfield President Third Sun Solar & Wind Power Ltd. 340

Re: [RE-wrenches] Tax Deductible RE Donations

2008-08-08 Thread Michael Welch
Well, I must toot my own horn a bit. Redwood Alliance has been the recipient of a couple used RE equipment donations in the past. But we are pretty much lined out (except we need a 20 watt system for a mesh network radio). What we do with other RE equipment donations now is to turn them into fu