Mathematical model of the linear induction motor and energy flow relationship of dual linear induction motor system were analyzed in this paper, on the basis of above analysis, a energy cross feed dual linear induction motor testing system was designed. Cross feed dual energy linear induction motor testing system consists of two linear induction motors. In accordance with certain control strategies, one electric motor is in the state, and the other one is in the power generation state. Testing systems could be used to simulate the characteristics of motor loading status and the motor can traverse mechanical energy produced by mechanical motion into electrical energy, which backs to the grid. The testing system possesses excellent properties such as good reliability, energy efficiency and flexible control ability.