Abstract
The paper considers results of pilot tests of a system for RFID-control of bracket insulators on signalling and interlocking lines and longitudinal power supply lines on an operating railway section. The system for RFID-control includes bracket insulators with built-in RFID-indicators, a registration device and software. The aim of tests is to assess a new method of contactless control of dielectric conditions of insulators in operation on an operating power transmission line. In condition of decrease of dielectric strength the system for RFID-control fixes the fault insulator by the registration device and with the use of software determines its exact location on a controlled section of an aerial power supply line. On the first stage all studies are carried out with the use of developed prototype of a portable RFID-registrator that determines operation areas of RFID-indicators in the area of a signalling and interlocking line pole. An operator fixes response signals of insulators after every 30° moving radially after every 1, 2, 3, 4 and 5 m regarding a power supply pole. As a result of studies of the first stage, the authors have developed a technology for installation of an indicator on bracket insulators of an operating power transmission line. Moreover, they have substantiated an introduction of the system for RFID-control of VL insulators in networks with insulated neutral for signals and interlocking lines and longitudinal power supply lines.
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