Schneider Electric Xantrex XW Manual de usuario descargar pdf (Pagina 10)

Software Release Notes

10 975-0604-01-01 Revision A

4. Updated grid/gen entry/exit/regulation voltage offsets in respect of grid/gen

support voltage.

5. Implemented new charge algorithm. The differences from the previous

implementation are:

a) Bulk exiting voltage is Vabs, and exiting timer is 1s (range 1s-1hr, can be

set via XDT). Absorption begins with a 1-hr boost stage where battery

voltage is regulated at Vbulk. Boost stage applies only to the custom

battery type.

b) Absorption exiting current is battery Ahr/50.

c) The battery capacity affects the charging current calculation in a way that

small battery capacity (less than 100Ahr on Xantrex XW6048) will limit the

charging current to the capacity level.

d) 0Ahr battery capacity is deemed that there is no absorption exit current

criteria and absorption only exit when absorption timer (default 3hrs,

range 1min-8hr) expires. Setting the battery capacity to zero will reset the

charging current to its default values.

e) Vbulk and Vabs settings are now totally independent from each other on

SCP.

f) Minimum charge percentage is now 5%.

g) Xantrex XW only waits for other Xantrex XW units to finish absorption

before exiting the absorption stage itself. It will not wait for any other types

of devices, but to exit absorption on its own.

6. The minimum load level to report on all AC ports now is 25W.

7. Implemented the "GEN SUPP PLUS" feature for the split-phase models. This

feature can be enabled via SCP. It is disabled by default. This feature allows

the neutral relay to be closed immediately upon detecting an AC over voltage

(above 300V L1-L2). This is an attempt to balance L1-N and L2-N voltage to

protect the loads when AC inputs disconnect suddenly while the unit was

powering an unbalanced load. This feature helps with generators that are less

than 5kW.

8. Improved charge voltage regulation in a multiunit installation where more than

one unit is charging a Gel type battery bank. Previously, the battery bank can

be over-charged and damaged due to the low impedance present in the Gel

type batteries.

9. Changes made to read input AC current:

• Split-phase models: reading the current from the primary side.

• Single-phase models: reading L1-N current.

Xantrex XW

Standalone

MPPT Auto-

tracking

Grid/Gen Support entry voltage (V) 0 -1

Grid/Gen Support regulation voltage (V) 0 -1

Grid/Gen Support exit voltage (V) -0.5 -1.5

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 21 22

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Schneider Electric Xantrex XW Manual de usuario Pagina 10

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