| 摘要 |
Provided is a hybrid vehicle power transmission system. The hybrid vehicle power transmission system according to an embodiment of the present invention includes: an input axis to which the power of an engine is inputted; an output axis arranged in parallel with the input axis at a certain interval; a complex planet gear set including a first rotational element consisting of a combination of a first planet gear set and a second planet gear set and selectively receiving the electrical rotational power, a second rotational element driving as an output element, a third rotational element connected to the input axis, receiving the power of the engine, and acting as a selective fixed element, and a fourth rotational element acting as an input element for the electrical rotational power as well as a selective fixed element; a third planet gear set including a fifth rotational element directly connected to the second rotational element as well as the output axis in order to always act as an output element, a sixth rotational element acting as a selective fixed element, and a seventh rotational element selectively connected to the first rotational element and acting as an input element for the electrical rotational power; a first clutch variably connecting the first and seventh rotational elements to each other; a first brake arranged between the sixth rotational element and a transmission housing; a second brake arranged between the fourth rotational element and the transmission housing; a first motor/generator connected to the fourth rotational element; and a second motor/generator connected to the seventh rotational element. |
