socomec SUNSYS HES L, Руководство пользователя

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SUNSYS HES L - 551697A - SOCOMEC
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EN
11.2. System power off
A. Remote System Power Off
EMS sends the power off command to PMS.
B. Manual System Power Off (if required)
In order to manually switch off the system, follow the procedure below.
With this procedure, the load will be disconnected.
For any service requiring access to the internal components of the unit, it is necessary to power off and complete the
internal isolation before the dead fronts are removed. To complete full isolation and make the unit safe for service, it must be
completely powered off plus additional control switches and breakers need to be opened.
Ensure the system is in standby mode (no active dis/charge)
1. Switch off AC and DC:
Switch off Q2 (DC bus) and Q1 (mains AC) by turning the handles in position 0,refer to Figure 81.
2. Switch off the UPS:
Remove the top-left panel by removing the four screws, refer to Figure 79.
Press and hold the button on the top of UPS for a few seconds, until device beeps and the output of the UPS is switched
off, refer to Figure 80.
Close the top-left panel using the four screws previously removed, refer to Figure 81.
If an external supply line (see AC aux. from user’s UPS) is connected to the X107 connector, this power line must be
disconnected
3. Switch off the auxiliary power:
Switch off Q3 by turning the handle in position 0, refer to Figure 78
4. Open the isolation switch QS and QF1 & QF2 in all B-Cabs, refer to Figure 47.
The unit is now isolated for service and the appropriate dead-fronts may be unscrewed and removed; however, it is very
important that all accessible terminals be proven to be electrically dead before any work is attempted in the unit.
11.3. Operations
C-Cab can charge and discharge the batteries at a power level that can be specified by the operator.
• Charging mode
In the Charging mode, the power modules convert the grid AC power into DC power and charges the battery. The charging
profile is managed by the SUNSYS C-Cab L according to the battery needs.
After the battery is fully charged (top of the SOC range or the maximum voltage), the ESS returns into its standby mode.
• Discharging mode
The power modules reverse their operation (compared to the charging mode) and convert the DC power to AC one. The
ESS stays in this mode until it receives a command to charge or go to standby mode or until the battery reaches its low end
(minimum allowed SOC).
After the battery is fully discharged (minimum allowed SOC), the ESS returns into its standby mode.
• Reactive power
C-Cab can control the power factor and reactive power percentage by feeding the reactive power.
• Stable output voltage and frequency
C-Cab can stabilise the output voltage and frequency by controlling the reactive power and active power in the on-grid
applications.