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Novel resistance-capacitance parallel voltage divider

A technology of voltage divider and parallel connection, which is applied in the field of pulse power technology and electric power industry. It can solve the problems of slow high-frequency response, leading edge overshoot, waveform oscillation, etc., and achieve good damping and reduce stray inductance.

Active Publication Date: 2017-09-19
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current RC shunt voltage divider still has problems such as slow high frequency response, leading edge overshoot and waveform oscillation

Method used

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  • Novel resistance-capacitance parallel voltage divider
  • Novel resistance-capacitance parallel voltage divider
  • Novel resistance-capacitance parallel voltage divider

Examples

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, but not as a limitation of the present invention.

[0025] Such as figure 1 As shown, a new type of resistance-capacitance parallel voltage divider, including high-voltage arm 1 and low-voltage arm 2.

[0026] The high-voltage arm 1 includes an insulating shell 3, a high-voltage capacitor 4, a parallel damping resistor 5, a high-voltage resistor 6, a head-end damping resistor 7, an upper electrode 8, a connecting electrode 9, an lead-in electrode 10, and a sealing nut 11; the high-voltage capacitor 4, the parallel damping resistor 5. The high-voltage resistor 6, the head-end damping resistor 7, the upper electrode 8, the connecting electrode 9, the lead-in electrode 10, and the sealing nut 11 are fixed and connected together by threads and screws.

[0027] The low-voltage arm 2 includes a low-inductance resistance-capacitance sheet 12, a metal shell 13...

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PUM

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Abstract

The invention provides a novel resistance-capacitance parallel voltage divider, which comprises a high voltage arm and a low voltage arm, and is characterized in that stray inductance is greatly reduced by adopting measures such that a plurality of capacitance branches are connected in parallel, parallel damping resistors with low resistance are connected in series at the head end of the high voltage arm and each capacitance branch, and both a head-end damping resistor of the high voltage arm and a low-sensitive resistance-capacitance slice of the low voltage arm adopt a low-sensitive resistance-capacitance component, good damping is performed on high-frequency oscillation and overshoot, the voltage waveform is optimized and adjusted, nanosecond pulses, lightning waves, operating impact and power frequency AC and DC high-voltage signals can be simultaneously measured.

Description

technical field [0001] The invention belongs to the field of pulse power technology and electric power industry, and particularly relates to a novel resistance-capacitance parallel voltage divider. Background technique [0002] The voltage divider is a key device for pulse power technology and high voltage measurement in the power industry, and it plays an increasingly important role in the measurement of nanosecond pulses, lightning shocks, operating shocks, and power frequency AC and DC voltages. Long-lasting research has been carried out on voltage dividers at home and abroad. Common forms include resistor voltage dividers, capacitor voltage dividers, resistor-capacitor series voltage dividers, and resistor-capacitor parallel voltage dividers. At present, all kinds of voltage dividers have inherent defects that are difficult to overcome. [0003] The resistor divider is suitable for measuring low frequency and DC signals, but its response speed is slow, and it is difficu...

Claims

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Application Information

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IPC IPC(8): G01R15/06
CPCG01R15/06
Inventor 丁卫东闫家启苟杨申赛康程乐王亚楠李志闯王永生
Owner XI AN JIAOTONG UNIV
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