A High-Voltage Reverse Switch-on Dynistor Switch with a Control Circuit Based on Magnetic-Compression Sections

被引：0
|
作者：
I. V. Grekhov
A. K. Kozlov
S. V. Korotkov
A. L. Stepanyantz
机构：
[1] Ioffe Physicotechnical Institute,
来源：
Instruments and Experimental Techniques | 2002年 / 45卷
关键词：
Physical Chemistry; Energy Loss; Current Pulse; Operating Voltage; Switching Frequency;
D O I：
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学科分类号：
摘要：
A high-voltage switch of submicrosecond range based on an assembly of reverse switch-on dynistors (RSDs) connected in series and a coaxial saturable-core choke is described. Dynistors are triggered using a control circuit in the form of a high-voltage magnetic-compression section, in which the current-forming capacitor is charged from the power-circuit capacitor using an additional low-power saturable-core choke. The results of tests of a small-sized (200 × 200 × 55 mm) RSD switch with an operating voltage of 6 kV switching 1-kA current pulses with a 600-ns duration are presented. Low switching energy losses in dynistors make it possible to use devices with a 12-mm diameter of the structure in the RSD assembly. Their temperature was within 20°C at a switching frequency of 100 Hz.
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页码：668 / 670
页数：2
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