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Ice coating parameter and state monitoring method based on interdigital capacitance sensor

A technology of interdigitated capacitors and sensors, which is applied in the field of transmission line status monitoring and diagnosis, can solve the problems of unable to measure the quality or thickness of icing growth on wires, and analyze the dynamic growth state of icing difficult to achieve the effect of accurate icing monitoring

Active Publication Date: 2019-08-20
XI'AN POLYTECHNIC UNIVERSITY
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for monitoring ice parameters and states based on interdigital capacitive sensors, which solves the problem that existing methods cannot measure the growth quality or thickness of wire ice, which makes it difficult to monitor the dynamic growth state of ice. analysis problem

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  • Ice coating parameter and state monitoring method based on interdigital capacitance sensor
  • Ice coating parameter and state monitoring method based on interdigital capacitance sensor
  • Ice coating parameter and state monitoring method based on interdigital capacitance sensor

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] The monitoring method of the icing parameter and state based on the interdigital capacitive sensor of the present invention, the specific operation process comprises the following steps:

[0040] Step 1, install the monitoring system of the icing parameter and state of the interdigital capacitive sensor, such as figure 1 with figure 2 As shown, the monitoring system includes dividing the surface of the power transmission wire evenly into 6 areas, each of which occupies 60° and exactly surrounds the wire, and each area is equipped with an ice sensor 14, and the ice sensor 14 is connected to the Σ-Δ capacitance digital Converter 2, Σ-Δ capacitance-to-digital converter 2 is connected to microprocessor 1, and a bracket with insulating material is installed on the outside of the power transmission wire. The signal is transmitted to the m...

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Abstract

The invention discloses an ice coating parameter and state monitoring method based on an interdigital capacitance sensor. The method comprises the following steps that an ice coating parameter and state monitoring system based on an interdigital capacitance sensor is installed, a surface of a transmission conductor is uniformly divided into six areas, each area is equipped with an ice coating sensor, and the ice coating sensor is connected to a microprocessor; then, the microprocessor calculates ice coating density according to a capacitance value when ice coating weight of the six areas on the surface of the transmission conductor is increased by 50g, and determines a current ice coating type through combining the ice coating density and data collected by a wind direction and wind speed sensor; and the microprocessor analyzes an ice coating shape on the conductor surface after comprehensive analysis of a volume obtained by a relationship between mass and density, and the microprocessor stores the data and sends the data to a host computer so as to realize transmission conductor ice coating parameter and state monitoring. An existing method can not be used to measure conductor icecoating growth quality or thickness so that a dynamic growth state of ice coating is difficult to be analyzed. By using the method of the invention, the above problem is solved.

Description

technical field [0001] The invention belongs to the technical field of state monitoring and diagnosis of power transmission lines, and in particular relates to a method for monitoring ice parameters and states based on interdigital capacitance sensors. Background technique [0002] Transmission line is an important part of power transmission, and its safe operation is an important factor to ensure the power transmission capacity of the power system. In recent years, with the advancement and popularization of ultra-high voltage and ultra-high voltage lines, more lines need to pass through ice-covered hard-hit areas with complex climates. However, accidents such as transmission line flashover, line breakage and even tower collapse caused by icing seriously threaten the safe and stable operation of the power system. Therefore, the research on icing on transmission lines has important application value. Icing monitoring technology, as an effective method for measuring the natur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/28G01B7/06
CPCG01B7/082G01B7/28
Inventor 黄新波胡杰朱永灿邬红霞
Owner XI'AN POLYTECHNIC UNIVERSITY
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