Abstract
The inertial pendulum energy converter for underwater power generation can convert the marine kinetic energy into electrical energy which can promote the utilization of marine kinetic energy and the development of marine equipment. In recent years, this energy converter method gets more and more attention since it is no need to consider the underwater sealing which is hard to realize in the deep sea. To further clarify the energy conversation mechanism of energy converter and improve its power generation capacity, this paper establishes the electromechanical coupling dynamic model of the inertial pendulum energy converter based on Matlab. In this model, a torque balance equation was employed to describe relationship between the motion characteristics of the pendulum and the output characteristics of the DC generator. The influences of pendulum angle, pendulum length and generator load on the power generation performance are simulated and analyzed with the established model. The results show that power generation capacity of the inertial pendulum energy converter increases with the increase of the pendulum angle and pendulum length, while increases firstly and then decreases with the increase of generator load. These results provide theoretical basis for the further optimization design of the inertial pendulum energy converter.
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