脉冲功率源用高耦合度储能电感研究

Research on high coupling energy storage inductance used for pulse power supply

在电感储能型脉冲功率源中耦合电感是关键。首先从STRETCH Meat grinder电路出发,阐明了高耦合度电感的概念,然后通过分析影响耦合度的关键因素给出了高耦合度储能电感的模型,并对耦合电感的电感量和磁场的计算进行了数学推导。为了进一步的了解耦合电感的磁场分布情况,本文对其进行了有限元仿真,得到了耦合电感的磁感应强度分布云图和能量分布云图,考虑到漏磁的存在,在文章的最后还对耦合电感的漏磁进行了仿真计算。通过本文的研究能够为脉冲功率源用高耦合度储能电感的优化设计提供一定的理论依据。

Coupling inductance is a key factor in inductive storage pulse power supply.Starting from STRETCH Meat grinder circuits,the concept of high coupling inductance is described first in this paper,then high coupling energy storage inductance models are given by analyzing key factors influencing coupling degree,and mathematical derivation is carried out for inductance value and magnetic field calculation of coupling inductance.In order to further understand magnetic field distribution of coupling inductance,finite element simulation is performed against it,and magnetic induction intensity distribution map and energy distribution map of coupling inductance are obtained.In consideration of flux leakage,simulating calculation is conducted for flux leakage of coupling inductance in the end part of this paper.Research work in this paper provides certain theoretical basis for optimization design of the high coupling storage inductance used for pulse power supply.