Optical fiber composite overhead phase line oppc joint box wet withstand voltage test device and method

Abstract

The invention relates to a testing device and a testing method for the wet withstand voltage of an optical phase conductor (OPPC) connector box. The testing device comprises a connector box, a test auxiliary extension OPPC optical cable, a test auxiliary extension all dielectric self-supporting (ADSS) optical cable, a voltage source, an optical attenuation monitoring instrument and an artificial rain sprinkler; a high-voltage positive electrode of the voltage source is connected with an upper connector box body by an applied voltage circuit; a high-voltage negative electrode of the voltage source is grounded; one end of the test auxiliary extension OPPC optical cable is connected with the upper connector box body, and the other end of the test auxiliary extension OPPC optical cable is connected with the optical attenuation monitoring instrument; the artificial rain sprinkler is used for sprinkling the connector box to be wet; and one end of the test auxiliary extension ADSS optical cable is connected with a lower connector box body, and the other end of the test auxiliary extension ADSS optical cable is connected with the optical attenuation monitoring instrument through a tail fiber. The testing device and method thereof can simulate the test of the voltage withstand property of the OPPC connector box with different normal voltage grades in an OPPC running circuit in a laboratory under corresponding wet withstand voltage conditions.

Description

technical field [0001] The invention relates to the technical field of power system communication, in particular to an optical fiber composite overhead phase line OPPC joint box wet withstand voltage test device and test method. Background technique [0002] Optical fiber composite overhead phase line is a new type of special electric optical cable, which has the functions of conductor and communication optical cable. It has been used exploratoryly in the transmission lines of 10kV, 35kV, 110kV and 220kV in the electric power field in my country. [0003] The optical fiber composite overhead phase joint box is an indispensable device in the application of OPPC line engineering, and its corresponding performance testing technology is a new technology. The power frequency 1min wet withstand voltage test method of the optical fiber composite overhead phase line splice box proposed this time is used to conduct the power frequency 1min wet withstand voltage test of the optical fi...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems existing in OPPC engineering application, to provide a kind of optical fiber composite overhead phase line OPPC joint box wet withstand voltage test device and test method, the device and its method can be used in the laboratory simulation test OPPC running circuit The withstand voltage performance of optical fiber composite overhead phase line splice boxes with different nominal voltage levels under the corresponding wet withstand voltage conditions

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