| 摘要 |
An energy storage system according to an embodiment of the present invention includes an inverting unit which inverts electric energy into AC, a system control unit which outputs a control signal for controlling the operation of the inverter unit, and an inverter control signal transmitting unit which is arranged between the system control unit and the inverter unit and changes the level of the signal after the control signal is amplified. The energy storage system according to the embodiment of the present invention transmits the control signal of the inverter unit by an electric wire and easily maintains and repairs a configuration for transmitting the signal between the system control unit and the inverter unit without using an optical signal. |
