Flex ware inverter bypass slide [RE-wrenches]

boB Gudgel boB at midnitesolar.com
Thu Nov 29 14:14:47 PST 2007 


> Howie Michaelson wrote:

> > And RF?

Howie, can you and/or anybody else with MS RFI issues give Brian Faley a 
call here at Magnum and let him know the specifics on your 
application(s) issues on this ??

360-353-8833

Thanks,
boB



boB Gudgel wrote:
> 
> 
> Howie Michaelson wrote:
> > So boB,
> > What is the Magnum story on the charging parameters and possible 
> > upgrades?
> 
> I believe that for the MS Sinewave inverter/chargers, custom battery 
> voltage setpoints will be available for units manufactured within the 
> last 6 to 9 months or so withOUT an upgrade to the inverter itself. 
> However, you would need a newer remote or a Magnum Hub/Router (sort of a 
> 
> super remote) shipping in just a few months.  An MS inverter built 
> before that time would need a control board swap-out as well as a remote 
> 
> to control those custom setpoints.  Unless Dave Allegre is REALLY fast 
> at his new remote control, (Dave did the SW Plus code at Xan-Trace), the 
> 
> Magnum 6 port Hub/Router will be first to be able to control these 
> parameters.
> 
> > And RF?
> 
> Sorry... Can't say I know much about the RFI/EMI reduction schedule at 
> the moment.
> 
> (somebody mentioned the lower RFI on the SW I think)...
>  These high frequency inverters like the MS and OB and X-verters tend to 
> make more VHF and high shortwave interference, and the lower frequency 
> inverters (like mod-square and old SWs) tend to make more AM and lower 
> frequency shortwave interference because of the lower switching 
> frequencies and BIG sharp edge switching.  Actually, both topologies 
> have sharp switching edges but the lower frequency units swing one BIG 
> voltage step at a low rate where the high frequency units swing a small 
> voltage at a repetition high rate to emulate the sinewave.
> 
> The comments regarding this RFI have been forwarded to the others here.  
> 
>  Maybe more info for you soon on this... We'll see.  Of course, you can 
> be FCC Class B compliant and still make RFI.  Or, you could be FCC 
> compliant and not have a sticker.  Being a ham myself, I want the EMI to 
> 
> be gone at my operating frequencies.
> 
> 
> > And any new info about the "Classic" ?
> 
> Well, it looks like that in about a month MidNite will be sending out 
> some pre-trial units (an alpha I guess you call it) and hopefully the 
> beta should follow a couple months after that. Some of you will be 
> working with us on that.  As Robin says "engineers lie" about production 
> 
> dates, and I really don't like to do that, so I think I will leave it at 
> 
> that other than to say the Classic is looking (and has worked) REALLY 
> good and I KNOW you're going to like it.  But that's not what you want 
> to hear...  You just want the REAL thing !!    (so do I)
> 
> boB
> 
> > 
> > Thanks,
> > -- 
> > Howie Michaelson
> > NABCEP Certified Solar PV Installer™
> > 
> > Sun Catcher, LLC
> > Renewable Energy Systems Sales and Service
> > http://www.SunCatcherVT.com
> > (cell) 802-272-0004
> > (home) 802-439-6096
> > 
> > 
> > On Thu, November 29, 2007 4:01 pm, boB Gudgel wrote:
> > >
> > >
> > > tump at hughes.net wrote:
> > >>
> > >> Would someone explain why Robin is NOT allowed to post? Aren't there
> > >> >other folks from manus that are allowed to post?
> > >
> > >
> > > Hi Tump...
> > >
> > > Manufacturers are allowed ONE (1) person to post to the wrenches list,
> > > however I have seen one slip through with 2 allowed to post.
> > >
> > > No biggie for me as long as someone is able to speak for a manufacturer.
> > >  For the moment, I'm the chosen one for MidNite Solar and Magnum Energy,
> > > although I expect (and hope) that Gary Baxter or maybe Tony Boatwright
> > > will join the list eventually.
> > >
> > > boB
> > >
> > >> Sent via BlackBerry by AT&T
> > >>
> > >> -----Original Message-----
> > >> From: boB Gudgel <boB at midnitesolar.com>
> > >>
> > >> Date: Thu, 29 Nov 2007 19:05:03
> > >> To:RE-wrenches at topica.com
> > >> Subject: RE: Flex ware inverter bypass slide [RE-wrenches]
> > >>
> > >>
> > >>
> > >>
> > >> jay peltz wrote:
> > >> > Hi Tump,
> > >> > Yep thats the way it is, a real slick design no?
> > >> > The old system on the PS2 units didn't either, but you could see and
> > >> > get to both sides of the breakers much easier.
> > >>
> > >> > Whats funny is that Midnite solars box's work perfectly
> > >> > jay
> > >> > peltz power
> > >>
> > >> Thanks Jay!   Robin's not allowed to post so I will forward a comment
> > >> about the sliders. Evidently, that's a tricky thing to make work
> > >> properly.
> > >>
> > >>  I will make sure the Magnumees and Magnumites hear the concerns of the
> > >> list on the inverter/charger side of things.
> > >>
> > >>
> > >> "
> > >> The slider on our upcoming dual and quad system works perfectly too. It
> > >> took me years to figure out all the tolerances working on that darned
> > >> slider.
> > >> Thanks,
> > >> Robin
> > >> "
> > >>
> > >>
> > >> boB Gudgel K7IQ
> > >> MidNite/Magnum  Solar/Energy
> > >> Washington AC
> > >>
> > >>
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> > >
> > >
> > >
> > > boB Gudgel K7IQ
> > > MidNite/Magnum  Solar/Energy
> > > Washington AC
> > >
> > >
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> > 
> > 
> 
> 
> 
> boB Gudgel K7IQ
> MidNite/Magnum  Solar/Energy
> Washington AC



boB Gudgel K7IQ
MidNite/Magnum  Solar/Energy
Washington AC


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