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Figure 5: Dimension of ARK 2.5H-A1
1.3 Working Principle and Function
The ARK high voltage battery system is composed of a high voltage controller HVC 60050-A1 and battery
pack ARK 2.5H-A1 in series. It contains electrochemical batteries, battery control units, battery management units,
power and signal terminals, and mechanical parts.
Compared with other battery systems, it has better charging and discharging performance, higher charging
and discharging efficiency, more accurate status monitor, longer cycle life and less self-discharge loss.
A single cluster system can connect 2 to 10 packs in series to increase the capacity and power of the battery
system. The entire battery system communicates with the inverter through CAN communication, and the
operation stability is high.
Monitoring: voltage, current and temperature detection of both single cells and battery system.
Protection and Alarm: protection and alarm when overvoltage, under voltage, over current, over temperature or under
temperature occurs. See Appendix I for the details.
Report: report all alarm and status data to PCS.
Series connection: support two to ten packs in Series connection.
Power failure triggered by fault: 10 minutes after the battery system and PCS communication is disconnected or 15
minutes after undervoltage protection.
2. Safety
When installing or using a battery system, the safety information contained in this section must always be followed. For safety
reasons, it is the installer's responsibility to be familiar with this manual and all warnings before installation.
2.1 Basic security
The battery system has been designed and tested in accordance with strict rules with international safety certification
requirements. Before any installation or use of the battery system, please read all safety instructions carefully and always follow the
relevant rules. Growatt is not responsible for any consequences resulting from violation of the following regulations:
Damage occurred during transportation.
Incorrect transportation, storage, installation and use, or customer fails to convey the correct information about transportation,
storage, installation and use to terminal customers.
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