Calculation of Electrical Parameters of Two Stage-Helical Magnetic Flux Compression Generator

Helical magnetic flux compression generators (HFCG) and Two Stage-Helical flux compression generator (TS-HFCG) have been widely used to produce very high current pulses for many applications in recent decades. In order to accurate analysis and optimized design of these generators, it is necessary to calculate their electrical parameters. Among these electrical parameters, calculating the self and mutual inductances is important because it reduces the design and construction costs. In this paper, the calculation of self-inductance and mutual inductance profiles of TS-HFCGs is carried out using a three dimensional numerical method in the presence of an armature and its dynamic. For this purpose, the Maxwell equations governing the system are expressed in different parts, and then, using the utility software, the equations are solved and the inductances are obtained. In order to validate the results, a computer program is written in MATLAB based on the filamentary method and the results are compared.