Problems of Creation of High-Efficient Magnetocumulative Generators. Electric Strength of Helical Magnetocumulative Generators

Helical MCGs have a wide range of output characteristics, and they are frequently used in pulsed-power experiments. The absence of electric breakdowns at compression of a magnetic flux in the generator volume is one of the important factors of stable and efficient operation of fast helical MCGs. Thi...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2010-08, Vol.38 (8), p.1773-1779
Main Author: Demidov, V A
Format: Article
Language:English
Subjects:
Breakdown
Breakdown voltage
Character generation
Circuits
Coils (windings)
Compressing
Dielectrics and electrical insulation
Electric breakdown
Electric power
Electric strength
fast operating helical MCG
Generators
Helical
Inductance
Insulation
insulation on the stator windings
Magnetic fields
Magnetic flux
magnetic flux compression
magnetic flux losses
Magnetic losses
Physics
stator
Stator windings
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Summary:Helical MCGs have a wide range of output characteristics, and they are frequently used in pulsed-power experiments. The absence of electric breakdowns at compression of a magnetic flux in the generator volume is one of the important factors of stable and efficient operation of fast helical MCGs. This paper considers the problems associated with both a decrease of maximum voltages in the MCG circuit and an increase of electric strength of the generator elements. The direction of possible electric breakdowns, i.e., their localization, is shown experimentally. The influence of shock-compressed air on the electric strength of the device is also presented. The use of solid (film) insulation on the stator windings is important. A value of the magnetic flux losses in the winding insulation is determined experimentally.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2010.2049751