Energy Storage and Stress Analysis of Spiral Spring n Mechanical Elastic Energy Storage Technology

摘要

The energy storage technology plays an important role in the modern power grid. The application of the energy storage technology can improve the stability and controllability of the new energy technologies, and can steady the power grid operation and improve the quality of power supply. In this paper, the principle of energy storage of the mechanical elastic energy storage technology on spiral spring is stated, the method of improving the energy storage density is discussed, and two kinds of section of spiral springs are designed, such as rectangular cross section and special cross section of spiral spring. Aimed to the two kinds of section of spiral springs, the finite element model are medeled, the stress distribution is analysed, and the results of two kinds of spiral spring are compared. With the results of finite element analysis, this paper states the different of two kinds of spiral springs' stress distribution, analyses the area of stress concentration of the special cross section spiral spring, and lays a foundation for further mechanical analysis and structural optimization.