When the original power supply system equipment fails, the system occurs command through the relay protection device for safe switching, the energy storage system to the load for emergency power supply, at this time the energy storage system is a backup power supply. In order to ensure the normal operation of the equipment, the power switching needs to be seamless, and EXPSEMI can provide solutions to prevent the current shock generated at the moment of power cut-in from affecting the use of the equipment.
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