Abstract

To improve dynamic characteristics of synchronous magnetic coupling, this paper mainly analyzed the influence of the installation deviation on the synchronous magnetic coupling’s dynamic performance used in the horizontal axis wave energy power generation device. Dynamic characteristics equations based on Lagrange equation are built in the paper to analyze the dynamic characteristic of synchronous magnetic coupling. The radial deviation, the angle deviation and the center-of-mass deviation are considered in the equation. The influence of those installation deviations on the synchronous magnetic coupling performance is analyzed based on the mathematical model. The results show that the rise time, the overshoot, the peak time, the adjusting time and the oscillation of the synchronous magnetic coupling are almost not affected by those installation deviations.

Highlights

  • IntroductionThe horizontal axis wave energy power generation device suffered seawater infiltration in different degrees

  • This paper mainly analyzed the influence of the installation deviation on synchronous magnetic coupling performance used in the horizontal axis wave energy power generation device

  • That means the synchronous magnetic coupling is a flexible transmission mechanism and allows the installation deviations exists in the horizontal axis wave energy power generation device

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Summary

Introduction

The horizontal axis wave energy power generation device suffered seawater infiltration in different degrees. Magnetic drive mechanism used in the chemical pump was introduced into the horizontal axis wave energy power generation device. It can achieve zero leakage of the seal unit at the transmission part and improve the device reliability. This paper mainly analyzed the influence of the installation deviation on synchronous magnetic coupling performance used in the horizontal axis wave energy power generation device. It was difficult to ensure coaxiality between the speeder and the water turbine because the horizontal axis wave energy power generation device size is 6 m×6 m×6 m, which is large. In order to analyze the influence of the installation deviation on synchronous magnetic driver performance, the research is carried out

Mathematical model
Dynamic characteristics analysis
Conclusions

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