12 | Operations Manual
4. Verify that the "Connected Status" is On
c. The system will start operations from the
Service State
.
d. Once the circuit breaker is closed the system will enter a
Standby, Charge, or Discharge State
.
Operation
Charging
To ready the cabinet to attempt charging the batteries, the follow steps should be followed:
a. Close the Circuit Breaker
The “System Activity“ indicator should change to
Standby State
b. The Battery Cabinet will remain in the
Standby State
and will only begin charging when:
•
SOC < 90% and all batteries are between 15°C-40°C
•
Set the UPS to charge the Battery Cabinet with any current between 20-160Amps.
c. The “System Activity” should change to
Charge State
d. Charging is complete if any of the following occur on a 38 Battery Cabinet:
•
Current < 4A AND String Voltage > 566Vdc
•
Any Monoblock Voltage > 15.5V
•
String Voltage > 581V
e. “System Activity” will change to
Standby State
•
If in
Standby State
, charging voltage is greater than 581Vdc, the system won't change into
Charge
State.