[RE-wrenches] wrenches] Husqvarna 5500 and VFX3524 Compatibility question

[john]

John,
   Thanks for that bit of information.  I have a customer with a SB5000 and recently added a Sunny Island with 8 L16 batteries.  This answers their question as to what they will do in an extended outage with no sun.  I wanted to suggest a small backup generator but wasn't sure how it would work.  Now I can install the cord and set the sunny island for a Honda 2000i, several of which I keep on hand for emergency power for us and our customers.

John Blittersdorf
NABCEP Certified Solar PV Installer tm
Central Vermont Solar & Wind LLC
104 River Street
Rutland, VT 05701
 
802-770-8625 Cell
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-----Original Message-----
From: John Berdner <John.Berdner at solaredge.com>
To: Allan <Allan at positiveenergysolar.com>; RE-wrenches <re-wrenches at lists.re-wrenches.org>
Sent: Thu, Jan 31, 2013 8:20 pm
Subject: Re: [RE-wrenches] Husqvarna 5500 and VFX3524 Compatibility question



SMA Sunny Island also does this but also discharges battery in parallel with the generator to create a “virtual generator” that is larger than the actual generator.
Just set the max generator current and it does the rest.
 

Best Regards,
 
John Berdner
General Manager, North America
 

 
SolarEdge Technologies, Inc.
3347 Gateway Boulevard, Fremont CA 94538 USA  (*Please note of our new address.)
T: 510.498.3200, X 747
M: 530.277.4894 

 

From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Allan Sindelar
Sent: Thursday, January 31, 2013 2:14 PM
To: William Miller
Cc: RE-wrenches
Subject: Re: [RE-wrenches] Husqvarna 5500 and VFX3524 Compatibility question

 

William,
Yes, that's my understanding. Outback acknowledged this to me years ago.
Allan

Allan Sindelar
Allan at positiveenergysolar.com
NABCEP Certified Photovoltaic Installer
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Founder and Chief Technology Officer
Positive Energy, Inc.
3209 Richards Lane (note new address)
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com 
 
 

On 1/29/2013 9:28 PM, William Miller wrote:

Allan:

Could it be that the SW systems are protecting the generator with Generator Support, and the Outback inverters are not?

William Miller



At 07:18 PM 1/29/2013, you wrote:


This is going back several years...

The Outback VFX series lacks the tight input current regulation of the SW series, so the max AC amps in is really just a suggestion. In many cases (and especially with these small generators) we want to set the max amps in as high as possible to minimize charging time and maximize C/rate. Yet a surge load can momentarily exceed the max amps setting. 

I have observed that the Honda inverter/generators have a quite sensitive AC output breaker, that will sometimes trip if a surge load (such as a refrigerator) comes on during a charge cycle set close to the generator's capacity. This incident was specific to a Honda 3000i. In contrast, Yamaha's EF3000iSE will lug when overloaded - not good for the generator, but also not likely to trip the output breaker.

This is a different issue than was being discussed, but fits your question.
Allan

 


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