Nanosecond rising edge high-voltage square wave pulse generator

A square wave pulse and pulse generating circuit technology, applied in the direction of pulse train generator, etc., can solve the problems of damaging the calibration object, unsatisfactory, high voltage amplitude, etc., to achieve the effect of ensuring the rise time and realizing electrical isolation

Active Publication Date: 2012-04-25
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The voltage amplitude of the square wave pulse generated by electronic devices can only reach about 10V at the highest, and the rising edge can only reach the microsecond level at the highest, which cannot meet the requirements of high voltage calibration
Using a Marx gene

Method used

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  • Nanosecond rising edge high-voltage square wave pulse generator
  • Nanosecond rising edge high-voltage square wave pulse generator
  • Nanosecond rising edge high-voltage square wave pulse generator

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Embodiment Construction

[0022] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] figure 1 It is a block diagram of the high-voltage square wave pulse generator provided in this embodiment, and the specific structural circuit is as figure 2 shown. The high-voltage square wave pulse generator includes a DC high-voltage power supply, a pulse forming line, a mercury switch, a pulse transmission line and a low-voltage pulse control circuit. The DC high-voltage power supply, the pulse forming line, the mercury switch and the pulse transmission line form a loop. The mercury switch is connected through the electromagnet shaft and the low-voltage pulse control circuit. Wherein the electromagnet shaft is equipped with an electromagnet. figure 2 In the middle, there is a charging resistor between the high-voltage DC power supply and the pulse forming line, which acts as a current limiter.

[0024]...

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Abstract

The invention discloses a nanosecond rising edge high-voltage square wave pulse generator, which comprises a direct current high-voltage power supply, a resistor, a pulse forming line, a pulse transmission line, a mercury switch and a control circuit, wherein the direct current high-voltage power supply is sequentially connected with the resistor, the pulse forming line, the mercury switch, the pulse transmission line and a load; and the control circuit controls the turning on and turning off of the mercury switch. By the nanosecond rising edge high-voltage square wave pulse generator, the divider ratio and response time of a voltage divider can be accurately calibrated; not only the rise time of output square waves is ensured, but also the output voltage of the direct current high-voltage power supply can be continuously regulated; the low-voltage control circuit and a high-voltage main circuit are electrically isolated; and the adopted mercury switch is inevitably at a broken position when a control end is broken, so that electrical connection is cut off, and the whole device is safer.

Description

Technical field: [0001] The invention relates to the technical field of high voltage and insulation, in particular to a nanosecond rising-edge high-voltage square wave pulse generator. Background technique: [0002] As a calibration signal source, the high-voltage square wave pulse generator is widely used in the high-voltage field, such as for calibrating the voltage division ratio and response time of the voltage divider, and for calibrating the partial discharge detection signal of the VHF method, etc. When calibrating the response time of the voltage divider, the shorter the rise time of the output signal of the high-voltage square wave pulse generator, the more accurate the measurement of the response time of the voltage divider. When calibrating the partial discharge detection signal of the VHF method, the shorter the rise time of the output signal of the high-voltage square wave pulse generator, the more VHF components it contains, and the more accurate the calibratio...

Claims

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Application Information

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IPC IPC(8): H03K3/64
Inventor 刘锐李金忠邹晓兵黄昆张书琦
Owner CHINA ELECTRIC POWER RES INST
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