Secondary inner cylinder having high voltage superposition efficiency

A voltage superposition and secondary technology, applied in circuits, transformers, electrical components, etc., can solve the problems of increasing the proportion of vacuum electron current, reducing the effective working current of the load, and emitting more space electrons, so as to reduce the share, high Pulse voltage peak, effect of high power transfer efficiency

Active Publication Date: 2014-11-05
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology

The characteristic of this structure is that each induction cavity feeds the MITL system with exactly the same voltage and current (that is, the same power flow), and can better maintain the PFL feed-in waveform, so it has high voltage superposition efficiency; but due to its step transition The existen...

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  • Secondary inner cylinder having high voltage superposition efficiency
  • Secondary inner cylinder having high voltage superposition efficiency
  • Secondary inner cylinder having high voltage superposition efficiency

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Embodiment Construction

[0037] In the present invention, the operating impedance of the impedance transformation section of the magnetically insulated transmission line formed by the secondary inner cylinder 4 and the inner wall of the induction cavity unit can be defined in a generalized exponential transformation form, namely:

[0038] Z ( x ) = A + B · exp ( a · x ) a = n · ln ( Z ...

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Abstract

The invention provides a secondary inner cylinder having high voltage superposition efficiency. A smooth transition structure is shown on the surface of an impedance conversion segment of the secondary inner cylinder, the running impedance of the impedance conversion segment of a magnetic insulation transmission line formed by the secondary inner cylinder and the inner wall of an induction cavity unit is in the form of exponential conversion, the average impedance of the magnetic insulation transmission line is obviously smaller than that of a conical or a stepped secondary inner cylinder, thereby being favorable for reducing reflected waves at a feeding port of each induction cavity unit and improving voltage coupling efficiency. Meanwhile, the research results show that the standard exponential impedance conversion form has highest power transmission efficiency, so that high pulse voltage peak can be obtained at the load, and when overmatching coefficient p is larger than 1.5, the voltage superposition efficiency of the secondary inner cylinder is superior to that of the conical or stepped secondary inner cylinder.

Description

technical field [0001] The invention relates to a secondary inner cylinder capable of efficiently coupling, superimposing and transmitting power pulses, which is applied to large-scale pulse power devices with the characteristics of multi-stage series connection (such as magnetic insulation induction voltage superimposing device, linear transformer driving source and other driving sources) ) Convergence and transmission of pulse power. Background technique [0002] Magnetically isolated induced voltage adders (MIVAs) have been widely used in high power particle beam (electron beam, ion beam) generation and radiation environment simulation (x-ray, gamma-ray). Usually, different numbers of induction cavity modules are connected in series through a magnetically insulated transmission line (MITL) to generate power pulse parameters for different types of load driving requirements, such as Hermes-III, RITS, Sygnus, Jianguang-1 and other devices. However, the electrical length of ...

Claims

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Application Information

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IPC IPC(8): H01F19/08H01F30/06
Inventor 呼义翔曾江涛孙凤举尹佳辉魏浩丛培天
Owner NORTHWEST INST OF NUCLEAR TECH
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