نوع مقاله : مقاله پژوهشی
نویسندگان
1 استادیار، دانشگاه جامع امام حسین(ع)
2 دانشیار دانشکده مهندسی برق، دانشگاه سمنان
3 استاد دانشکده مهندسی برق، دانشگاه علم و صنعت ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
This paper presents an approach to calculate the initial equivalent inductance and resistance of helical flux
compression generators and their dependence on frequency accurately. This approach is based on the
2-D filamentary method in frequency domain. By using this method, it is possible to consider both the effects of the
armature presence and frequency on the inductance and resistance of helical flux compression generators. In order to
consider the eddy current effects on the equivalent resistance and inductance of the helical coil, we introduce an eddy
current coefficient using the filamentary method. The calculation results show that the presence of the armature not
only decreases the equivalent inductance of the HFCG, but also increases its equivalent resistance. The latter effect
has not been discussed previously in the open literature. To verify our derived equations, a small scale HFCG was
built and its inductance, resistance and impedance were measured at different frequencies. It is shown that the
calculation results demonstrate a good agreement with measurement results.
کلیدواژهها [English]