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Mounting assembly for all-optical overvoltage sensor for overvoltage measurement

A technology for installing components and sensors, which is used in measurement devices, measurement of electrical variables, measurement of current/voltage, etc., can solve the problems of complex operation process and low precision, and achieve the effect of reducing surface electric field, improving dielectric strength, and preventing measurement.

Active Publication Date: 2016-03-09
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is necessary to remove the influence of other phases through three-phase decoupling, the operation process is complicated, and the accuracy is not high

Method used

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  • Mounting assembly for all-optical overvoltage sensor for overvoltage measurement

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Embodiment Construction

[0017] The installation assembly of a kind of all-optical overvoltage sensor that the present invention proposes, its embodiment structure is as follows figure 1 As shown, it includes: sensor fixed shell 2, power transmission wire expansion sleeve 3, PVC hose 8 and polarization maintaining optical fiber jumper 7 set in the hose, optical fiber insulator 9 with polarization maintaining optical fiber 10 inside and its connection Fittings 12; wherein, the expansion sleeve of the transmission wire is fixed outside the transmission wire, the sensor is installed in the fixed shell of the sensor, and the sensor fixed shell 1 is fixed outside the expansion sleeve of the power transmission wire; the two ends of the PVC hose 8 are respectively connected to the fixed shell of the sensor 2 It is connected with the optical fiber insulator 9, and the two ends of the polarization-maintaining optical fiber jumper 7 in the PVC hose are respectively connected with the pigtail of the sensor and th...

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Abstract

The invention relates to a mounting assembly for an all-optical overvoltage sensor, and belongs to the technical field of voltage measurement. The mounting assembly comprises a sensor fixing housing, a transmission conductor expansion sleeve, a PVC hose, a polarization maintaining optical fiber patch cord disposed in the hose in a sleeving manner, an optical fiber insulator provided internally with a polarization maintaining optical fiber, and a connecting fitting. The transmission conductor expansion sleeve sleeves a transmission conductor fixedly. A sensor is mounted in the sensor fixing housing. The sensor fixing housing sleeves the transmission conductor expansion sleeve fixedly. Two ends of the PVC hose are respectively connected with the sensor fixing housing and the optical fiber insulator. Two ends of the polarization maintaining optical fiber patch cord in the PVC hose are respectively connected with a tail fiber of the sensor and the polarization maintaining optical fiber disposed in the optical fiber insulator. According to the invention, the mounting assembly can be used for fixing the sensor onto a transmission line for long term monitoring, non-electrical connection between a sensor measurement device and a power system is achieved, the safety of measurement is improved, and meanwhile, the impact of a non-measurement phase on the measurement is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of voltage measurement, in particular to a design of an installation component of an all-optical overvoltage sensor. Background technique [0002] Substation overvoltage mainly refers to lightning overvoltage and operating overvoltage. The importance of obtaining the measured data of substation overvoltage is reflected in three aspects: ① The impulse voltage (including lightning and operation) test under the standard waveform is an important basis for measuring the insulation level of electrical equipment at this stage; The basis of insulation coordination. This means that if the standard waveform used in the test is inconsistent with the actual overvoltage waveform in the substation, the corresponding test procedures and insulation coordination results may need to be adjusted accordingly; Base. [0003] At present, research and engineering personnel use standard lightning waves and standard operating wav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/165
CPCG01R19/16504
Inventor 谢施君庄池杰李建明汪海张榆曾嵘陈少卿余占清
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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