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Disturbance voltage maximum amplitude quantification method and device of in-situ intelligent measurement equipment

A technology of disturbance voltage and amplitude, which is applied in the field of electromagnetic compatibility of secondary equipment in substations, and can solve problems such as the inability to quantitatively evaluate port disturbance levels

Pending Publication Date: 2021-12-31
CHINA ELECTRIC POWER RES INST +1
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Problems solved by technology

[0005] The invention realizes the quantitative realization of the secondary side by extracting the breakdown voltage between fractures of the nth breakdown of VFTO and the nth micropulse amplitude event pair of the port disturbance voltage in the same isolation switch operation process, and applying the quantile regression model. Quantitative evaluation of port disturbance voltage amplitude, the evaluation results can effectively guide the electromagnetic compatibility protection design and immunity test of local intelligent measurement equipment under strong transient electromagnetic disturbance, and solve the existing problems that cannot be quantified Technical Issues in Assessing Port Disturbance Levels of Localized Smart Measuring Devices Under Isolation Switch Operation

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[0033] Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings. Apparently, the described embodiments are only some embodiments of the present invention, rather than all embodiments of the present invention, and it should be understood that the present invention is not limited by the exemplary embodiments described here.

[0034] It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0035] Those skilled in the art can understand that terms such as "first" and "second" in the embodiments of the present invention are only used to distinguish different steps, devices or modules, etc. necessary logical sequence.

[0036] It should also be understood that in the embodiments of the present invention, "plurality" may...

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Abstract

The invention discloses a disturbance voltage maximum amplitude quantification method and device of in-situ intelligent measurement equipment. The disturbance voltage maximum amplitude quantification method of the local intelligent measurement equipment comprises the following steps: extracting an inter-fracture breakdown voltage and an nth micropulse amplitude of a port disturbance voltage of nth breakdown of a VFTO in the same disconnecting switch operation process; forming an event pair by the extracted breakdown voltage between the fractures and the micro-pulse amplitude so as to form a sample set of a quantile regression model; and training a quantile regression model based on the sample set to generate a corresponding quantile regression equation, the generated quantile regression equation being capable of quantitatively evaluating the port disturbance voltage amplitude of the in-situ intelligent measurement device under the operation of the isolation switch. Therefore, the disturbance level of the on-site intelligent measurement equipment port of the specific GIS test loop under the operation of the isolating switch can be quantitatively evaluated, and a targeted immunity test assessment scheme is formulated.

Description

technical field [0001] The invention relates to the technical field of electromagnetic compatibility of substation secondary equipment, and more specifically, to a method and device for quantifying the maximum magnitude of disturbance voltage of in-situ intelligent measuring equipment, as well as a storage medium and electronic equipment. Background technique [0002] With the popularization and application of intelligent substation technology, more and more on-site intelligent measurement equipment is installed on the shell of the GIS pipeline, or installed in the nearby control cabinet in the switch yard. This application method makes the electronic equipment closer to the transient disturbance source and more susceptible to electromagnetic disturbance. [0003] Taking the engineering application of electronic transformers of the State Grid as an example, extremely serious electromagnetic compatibility problems have been exposed in the promotion and application of smart su...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G06F30/27
CPCG01R31/001G06F30/27
Inventor 王琦付超童悦邬雄叶国雄王欣盛刘翔袁田汪英英王昱晴张锦褚凡武王晓周
Owner CHINA ELECTRIC POWER RES INST
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