NDLI: Energy losses in the prebreakdown stage of discharge evolution in high-voltage hydraulic systems

Content Provider	IEEE Xplore Digital Library
Author	Kuretz, V. Filatov, G. Yushkov, A.
Copyright Year	2003
Description	Author affiliation: High Voltage Res. Inst., Tomsk Polytech. Univ., Russia (Kuretz, V.; Filatov, G.; Yushkov, A.)
Abstract	The electro-discharge method of treatment is employed in industry production procedures when effects are exerted by electric discharge in liquid. High voltage (HV) electro-hydraulic systems are used to implement the method. Production procedures usually involve industrial-grade water having high value of the specific conductivity (j /spl ges/ 10/sup -3/ Ohm/sup -1/ cm/sup -1/). Some procedures and techniques involve solutions of higher conductivity, e.g. cement solutions or concrete mixtures. The problem of electro-discharge method implementation with these kinds of medium is high energy losses during prebreakdown stage of discharge evolution. So it requires higher energy values of a single pulse and consequently leads to higher total energy consumption, lower system reliability and so on. The technique of losses determination is necessary to develop measures for their decrease. This report presents the calculation of energy losses during the prebreakdown stage of discharge evolution in HV electro-hydraulic systems. Following parameters were taken for calculations: voltage Uo/spl sim/30-50 kV; working gap length 1 cm to 10 cm; pulse energy W /spl sim/ 0.5-5 kJ. The coax configuration of electrodes with the partially stripped HV electrode was considered. Suggested calculation technique for energy losses for coax electrode design during the prebreakdown stage of discharge will allow to estimate energy losses during the prebreakdown stage for different electrode configurations as well when known equations for the geometrical factor of corresponding electrode designs are used.
Starting Page	59
Ending Page	63
File Size	250818
Page Count	5
File Format	PDF
ISBN	8978686176
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-28
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	7th Korea-Russia Intl Sym on Science
Subject Keyword	Energy loss Hydraulic systems Electrodes Production Voltage Conductivity Coaxial components Concrete Energy consumption Reliability
Content Type	Text
Resource Type	Article

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