Lead equivalent icing thickness monitoring device and method based on ice medium capacitance effect

A technology of ice coating thickness and dielectric capacitance, which is applied in the direction of electromagnetic measuring devices, electric/magnetic thickness measurement, electrical components, etc., can solve the problem of not accurately monitoring the ice coating thickness and state of transmission line conductors, so as to avoid economic losses and social influence, avoid failures and disasters, and ensure safe and stable operation

Active Publication Date: 2021-08-31
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The technology described in this patented describes an improved method that can detect when there are snow on lines used in power distribution systems without causing damage or malfunctions. This helps ensure safety during operations while also providing accurate data about how well they work with regards other equipment such as transformers.

Problems solved by technology

This patents discusses different ways to measure how well an object can resist being covered by snow during winter months without causing damage or malfunctions that could lead to safety hazards like falling off from high altitude platforms due to severe weather conditions. Current techniques involve manual inspections with sensory devices attached to the objects themselves overlooking them while they fall down on top. These current solutions may result in incorrect measurements and potential issues caused by environmental factors.

Method used

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  • Lead equivalent icing thickness monitoring device and method based on ice medium capacitance effect
  • Lead equivalent icing thickness monitoring device and method based on ice medium capacitance effect
  • Lead equivalent icing thickness monitoring device and method based on ice medium capacitance effect

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Embodiment Construction

[0026] A wire equivalent ice coating thickness monitoring device based on the capacitance effect of ice medium, which includes a control unit, a power-taking unit connected to a high-frequency excitation power conversion unit through a wire; a high-frequency excitation power conversion unit connected to a monitoring unit through a wire; monitoring The unit and the control unit are connected by wires.

[0027] The power-taking unit includes an energy-taking coil, and the energy-taking coil is an electromagnetic transformer; the power-taking coil is connected to a wire to take power from the wire; the output end of the power-taking coil is connected to a rectifier circuit; the rectifier circuit is connected to a filter circuit; The circuit is connected with the voltage stabilizing circuit; the voltage stabilizing circuit is connected with the protection circuit.

[0028] The monitoring unit is an equidistant three-electrode parallel capacitor.

[0029] The method of using equidist

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Abstract

The invention discloses a lead equivalent icing thickness monitoring device and method based on an ice medium capacitance effect. The device comprises a control unit, a power taking unit and a high-frequency excitation power supply conversion unit which are connected through a lead; the high-frequency excitation power supply conversion unit is connected with a monitoring unit through a lead; and the monitoring unit is connected with the control unit through a lead. The technical problem that in the prior art, the icing thickness and state of a power transmission line lead are not accurately monitored is solved.

Description

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Claims

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Application Information

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Owner GUIZHOU POWER GRID CO LTD
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