Conductor corona discharge electric field non-intrusive measurement system and application thereof

A corona discharge and measurement system technology, applied in electrostatic field measurement and other directions, can solve problems such as the inability of spatial resolution to meet measurement, increase electric field measurement error, etc., to reduce the influence of background light noise and enhance engineering applicability.

Pending Publication Date: 2022-01-11
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0008] 1. The existing invasive electric field measurement technology, such as the induction electrode electric field measurement system or the electro-optic sensor based on the Pockels effect, is restricted by the geometric size of the invasive electric field probe, and its spatial resolution cannot mee

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  • Conductor corona discharge electric field non-intrusive measurement system and application thereof
  • Conductor corona discharge electric field non-intrusive measurement system and application thereof
  • Conductor corona discharge electric field non-intrusive measurement system and application thereof

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[0034] In order to make the objects, technical solutions and advantages of the present invention, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are intended to explain the present invention and is not intended to limit the invention.

[0035] Please refer to figure 1 , figure 1 Conductor corona discharge electric field is provided by non-invasive measurement system schematic block diagram of an embodiment of the present invention, as figure 1 Shown, the system includes a characteristic spectral detector array 10, data acquisition module 20, and field data computing module 30.

[0036]Wherein the characteristic spectrum detector array 10, characterized in comprising a plurality of sets of spectral detector array means for collecting multiple optical signals generated at different times of the conductors in a radial direction of the corona...

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Abstract

The invention discloses a conductor corona discharge electric field non-intrusive measurement system and application thereof. The system comprises: a characteristic spectrum detection array used for collecting and processing a plurality of groups of optical signals generated by a conductor in a radial direction in a corona discharge process at different moments to obtain a plurality of groups of characteristic light intensity peak electric signal data at different moments; a data acquisition module which is used for synchronously receiving multiple groups of characteristic light intensity peak electric signal data at the same moment and transmitting the multiple groups of characteristic light intensity peak electric signal data at the same moment to an electric field data calculation module; and the electric field data calculation module which is used for calculating the electric field intensity distribution of the conductor in the radial direction at different moments through an Abel inverse transformation algorithm and an electric field inversion model based on an emission spectrum double-spectral-line ratio method according to the received multiple groups of characteristic light intensity peak electric signal data at each same moment. The system has high time and space resolution capability, does not cause distortion to a measured electric field, and is small in measurement error.

Description

technical field [0001] The invention belongs to the technical field of conductor corona discharge electric field measurement, and more specifically relates to a non-intervention measurement system of conductor corona discharge electric field and its application. Background technique [0002] The electromagnetic environment of high-voltage transmission lines is a key issue in the design, construction and operation of transmission lines. Whether it is a DC or AC transmission line, when the electric field strength on the surface of the conductor exceeds the breakdown field strength of the air, corona discharge will occur on the surface of the conductor. The corona discharge generated by the transmission line will not only cause power loss, but also produce radio interference and audible noise, which will affect the production and life of nearby people. Therefore, in order to control the harm caused by corona discharge on high-voltage transmission lines, it is necessary to stri...

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Application Information

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IPC IPC(8): G01R29/12G01R29/14
CPCG01R29/12G01R29/14
Inventor 贺恒鑫车俊儒聂兰兰程晨肖冕亢卓凡黄煜彬张宛霞张世珉肖力郎
Owner HUAZHONG UNIV OF SCI & TECH
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