A prototype of ocean current induced rotating magnetic electric generator was developed. The power generation system is designed to solve the problem of the subsurface buoy's power supplement. A test bed was established to investigate the working performances. The time history of no-load voltage shows that no-load voltage fluctuates up and down with time periodically. The output power of the circular and square coil forms of prototype are both around 0.5mW. A numerical model was established to simulate the generator model's operational process. The comparison between the experimental results and numerical solution shows that they have good agreement quantitatively. It is concluded that the generator is feasible.

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