A twin-squeeze container-line shaft generator operating system that enables efficient control of two shaft generators according to the power of two main engines in a container ship to which a twin-squeeze shaft is applied. The method is disclosed. A shaft generator operating system of a twin-skeg type container line, comprising: a shaft generator motor unit connected to shafts of a plurality of main engines for generating electric power by a rotational force generated by driving of a main engine; A power generation / management device that detects power states of the plurality of main engines, controls driving of the shaft generator motor section according to the detected power state of the main engine, and manages power of the high-voltage switchboard; And an SGM driver for driving the shaft generator motor section under the control of the power generation / management apparatus.
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