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Lightning stroke impulse voltage test system

A technology of impulse voltage and test system, applied in the direction of testing dielectric strength, etc., can solve problems such as equipment damage, endangering personal safety, etc., and achieve the effect of enhanced safety, high safety and convenient installation

Inactive Publication Date: 2019-06-14
武汉武高华瑞高电压科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These transient pulse voltage amplitudes are often tens of kilovolts or hundreds of kilovolts, which will cause equipment damage and endanger personal safety. Therefore, it is necessary to conduct experimental research on impulse voltage

Method used

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Embodiment Construction

[0024] The embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following embodiments are only used to illustrate the technical solutions of the present invention more clearly, so they are only examples and should not be used to limit the protection scope of the present invention.

[0025] A kind of lightning impulse voltage test system of the present invention, such as figure 1 As shown, it includes a test room 1, a control room 7, a multi-stage cut-off device 2, an impulse voltage generator 3, a DC charging power supply 4, an impulse voltage divider 5, and a console 6, such as figure 2 Shown: Cs: main capacitor Rf: wave head resistance Rt: wave tail resistance Rc: charging protection resistor Cb: voltage doubler capacitor D: rectifier silicon stack Rz: DC high resistance Rb: protection resistor T: charging

[0026] A kind of lightning impulse voltage test system of the present in...

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Abstract

The invention discloses a lightning stroke impulse voltage test system. The lightning stroke impulse voltage test system includes a test room and a control room, wherein the test room is provided withan impulse voltage generator, a direct current charging source, a capacitive voltage divider, a multilevel chopping device, an impulse voltage divider, and an impulse signal measuring system; and thecontrol room is provided with a control table, the direct current charging source is connected with the impulse voltage generator, the multilevel chopping device is connected with the impulse voltagegenerator through a cable, and the control table is connected with the impulse voltage generator through an optical fiber and is connected with the capacitive voltage divider through a cable. The lightning stroke impulse voltage test system has the advantages of being wide in practicability, high in safety, high in interference resistance and convenient to install, and the lightning stroke impulse voltage test system can be applied to all high-voltage laboratories in factories, research institutes and universities and colleges.

Description

technical field [0001] The invention belongs to the technical field of impulse large voltage generator testing, and in particular relates to a lightning impulse voltage testing system. Background technique [0002] Impulse voltage test system is a test equipment for simulating pulse high voltage. In real life, pulsed high voltage is often encountered. For example, when lightning strikes and thunder in nature, very high pulse current and voltage will appear at the place where the lightning strikes, and high pulse voltage will also be induced around; for example, the switching operation of switching equipment in the power system will also cause transient pulse voltage . These transient pulse voltage amplitudes are often tens of kilovolts or hundreds of kilovolts, which will cause equipment damage and endanger personal safety. Therefore, it is very necessary to conduct experimental research on impulse voltage. On the other hand, it is also very meaningful to study the discha...

Claims

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Application Information

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IPC IPC(8): G01R31/12
Inventor 蔡犁
Owner 武汉武高华瑞高电压科技有限公司
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