Studer VarioString VS-120, Руководство пользователя

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Studer Innotec SA
VarioString
36 V 2.3 User manual
9.4.4 Basic settings {14000}
9.4.4.1 Block manual programming (DIP switch) {14174} (No)
Blocks the operating mode chosen by means of the DIP switches inside the VarioString.
9.4.4.2
Battery charge current (VS-120) {14001} &
9.4.4.3 Battery charge current (VS-70) {14217}
The VarioString tries to maximize the battery charging current up to its rated current; however, it is possible
to limit this current using this parameter for small capacity batteries. The current appropriate to the battery
is reported in its technical data. The value set by this parameter is used during the bulk phase.
9.4.4.4
Configuration of PV modules {14002} (Automatic)
This parameter allows the selection of the type of cabling of the MPPT inputs on the VarioString VS-120.
In automatic mode, the VarioString VS-120 makes measurements to determine the type of
connection. You can also select independent mode if you have two distinct PV strings that are not
connected together. The parallel cabling mode is reserved for the case when your PV string(s) are
brought to the VarioString with one set of cables and the two MPPT inputs on the VarioString are
physically connected (cabling accessories are available). The series cabling mode is used for PV
strings with max voltage levels higher than 600V; in which case the PV generator is connected to
PV2- and PV1+, and PV2+ and PV1- are physically bridged.
9.4.4.5
Restore default settings {14067}
Sending this signal restores the original values of the VarioString parameters.
9.4.4.6 INSTALLER: Restore factory settings {14068}
This parameter is accessible only when the RCC-02/03 is in installer level and allows the VarioString
parameters to be restored to factory settings.
9.4.5 Battery management and cycle {14003}
The VarioString battery charger is designed to ensure a battery
charge as complete as possible. The charge process,
described in detail in chapter 7.2 is managed in 4 successive
phases of which only 3 are activated by default. Thus the
VarioString will carry out only phases 1 (bulk), 2 (absorption)
and 4 (floating) according to a charge profile as per the figure
to the right which represents the basic cycle. This basic cycle
takes place automatically.
The charge curve obtained this way depends on a whole series of parameters that may be freely
modified in order to get a charge profile that meets at best the requirements set by the manufacturer
or the user.
If the BTS-01 temperature sensor (or the BSP, battery status processor) is used, the voltage regulation
thresholds of the battery are corrected in real time according to the battery temperature. The value
of this compensation in mV/°C/cell for a reference temperature of 25°C is set by parameter {14035}
to -3mV/°C/cell.
9.4.5.1 Synchronisation battery cycle with Xtender {14036} (yes)
When a Studer inverter of the range Xtender is used in the system, it can transfer to the VarioTrack its
battery charge setting so that they can operate together in an optimum way. Synchronization allows
If the installer has made some adjustments during the commissioning of the installation, this
function does not restore the factory settings but those made by the installer.
The battery setting is carried out under the responsibility of the operator. An incorrect setting
that does not meet the battery charging methods recommended by the manufacturer
may be dangerous and/or considerably reduce the battery service life. If the factory
settings are modified, the new values must be entered in the parameter table at the end of
this manual.