| 摘要 |
The present invention relates to a boom operating system of a hybrid construction machinery and a method thereof. More specifically, the present invention relates to a boom operating system of a hybrid construction machinery which provides sufficient energy using an electrical power source even when a circling operating device and a boom operating device are simultaneously operated, and which can stably be operated by stably controlling a motor even when the voltage of an ultra-capacitor is low; and to a method thereof. |
