[RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints

Wed Mar 27 11:42:01 EDT 2019

Jason,

Lets connect off-list direct email, I will need to send you a file.

Also, this can only be done using the Cofig Tool.

Sandra.herrera at se.com

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Jason Szumlanski
Sent: Wednesday, March 27, 2019 8:32 AM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: Re: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints

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I can't even get 1 hour of charging. The voltage rises too quickly and the battery management systems disconnect the battery.

What is the calibration process?

I still plan to disable the chargers that are reporting the wrong (lower) voltage and see if the others (individually) still ignore the setpoints. It's a very remote location, so diagnostics are extremely difficult.

On Tue, Mar 26, 2019 at 9:00 AM Sandra Herrera <Sandra.Herrera at se.com<mailto:Sandra.Herrera at se.com>> wrote:
Jason,

The Battery daily summary from the ComBox is information on one day at a time, this is not part of the logs, and it should be available even if you have 1 hour or charging.

However, based on your discovery of different DC voltages from the inverter, my recommendation is to calibrate them.

Sandra

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>> On Behalf Of Jason Szumlanski
Sent: Monday, March 25, 2019 4:18 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org<mailto:re-wrenches at lists.re-wrenches.org>>
Subject: Re: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints

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[X]
This is a newly commissioned Lithionic LiPo battery on an old system that has been out of commission for over a year. 51V nominal battery. Logs are not possible. This happens within minutes of bulk charging initiation. There is no spike. It's a steady rise.

Jason

On Mon, Mar 25, 2019 at 4:41 PM Sandra Herrera <Sandra.Herrera at se.com<mailto:Sandra.Herrera at se.com>> wrote:
Jason,

Can you share the Battery Daily Summary from the ComBox? Only select the battery voltage so it is easier to see where the 0.8V jump is occurring.

Also, what battery are you using?

Thanks

Sandra Herrera

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>> On Behalf Of Jason Szumlanski
Sent: Monday, March 25, 2019 1:36 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org<mailto:re-wrenches at lists.re-wrenches.org>>
Subject: [RE-wrenches] Xantrex XW6048 (quad) blowing past setpoints

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________________________________

I have four inverter/chargers (master and 3 slaves) that are blowing past their 57.6V setpoint that I programmed and confirmed via the Context Combox. They are hitting 58.4V and tripping the battery management units on a set of Lithium Batts. Any ideas why this would happen? I can disable chargers on individual units, so I know the settings are getting uploaded via the Combox.

Jason Szumlanski

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