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Force Start
This section does not apply to V300R001C00.
Context
- The force start function is mainly used in the scenario where the ESS cannot be deployed due to long-time low battery voltage and batteries need to be charged.
- During the force start operation, each Smart PCS charges the ESS at 50 kW power. Ensure that the AC power meets the requirement. If the AC power is restricted, you are advised to charge the ESS in batches and disconnect the auxiliary power supply and power circuits of the devices that do not need to be charged.
- To use the force start function, prepare an external power supply for the system and set Working mode to PQ under .
- When you force start the ESS, the ESS functions are restricted because no deployment operation is performed. In this case, the ESS supports only battery charging and cannot be scheduled by the upper-layer controller.
Procedure
- Choose and click Starting up. This operation will interrupt ongoing services in the array. Exercise caution when performing this operation.
- Start the insulation resistance detection procedure. If the detection is successful, force start is initiated. Otherwise, force start fails. The overdischarge insulation resistance function is supported only in SmartLogger V300R023C00SPC172 and later versions and applies only to the C&I scenario.
- The array-level force start operation lasts 180 minutes. The SmartLogger needs to maintain the array-level force start state. The default status is idle. After a force start task is started, the SmartLogger periodically collects the SOC value of each battery rack. If the SOC value is lower than 50%, the SmartLogger remains in the Force starting... state. If the SOC value of each battery rack exceeds 50% or the protection duration for force start exceeds the upper limit, the SmartLogger restores the force start state to idle.
- You can stop a force start task. In this case, devices in the array stop force start and return to the original status. If the system does not need to be started, shut down the system.
- After an array-level force start task is started, if new devices are connected and cannot be automatically started or some devices restart, the SmartLogger delivers a force start command at an interval of 5 minutes to ensure that the devices can identify the force start state.
