Traditional power equipment manual inspection by environmental factors, climatic conditions, management and other constraints, a huge amount of inspection needs to consume a large number of paper version of the test report or certificate of conformity labels, there are inspection projects and standards do not correspond to the paper medium is easy to lose and is not conducive to modification, insufficient data-sharing capabilities and other drawbacks, it is increasingly difficult to meet the current growing power grid equipment testing cycle management, making the Inspection quality is low, process control is difficult, data sharing is low.
RFID technology to non-contact reading tags to achieve intelligent identification, tracking, positioning, control and monitoring of equipment. Compared with the contact barcode, RFID technology has wider application scenarios, and the reading speed of this method is faster than that of barcode, not more than 100 ms, which can be used for interactive business such as process tracking and maintenance tracking of grid equipment management, and it provides simple and easy technical support for real-time, dynamic, and huge quantity of grid equipment management.
Because of the electric power equipment's variety and the use environment is complicated, therefore attaches in the electric power equipment RFID electron label and the read-write which matches must be suitable for the application environment overhead cable RFID electron label, 915 MHz ultra-high frequency electron label compares suitably, reads the distance to be able to reach 10 m or so. According to the underground cable RFID selection requirements, choose concrete tags. Transformer RFID selection requirements, the use of ISO18000-6C standard 915 MHz UHF tags are more appropriate, passive tags can have a longer working life, the number of writes and the ability to save data, anti-metallic can be attached to the metal shell of the distribution transformer to obtain a longer working distance, for two kinds of distribution transformers can be used.
According to the above selection of RFID tags, the use of ultra-high frequency read-write, the read-write is mainly used to identify the cable tunnel in the cable, the working distance is not too much restriction, adapt to long time outdoor read-write need high capacity battery power supply.
The entire RFID power equipment identification information system structure consists of two major components: hardware scanning part and software management part. Read-write RFID tag information data extracted and uploaded to the back-end database, maintenance personnel through the application software on the data in the database to query and modify a series of operations.
The use of RFID technology for asset management of electric power equipment replaces the traditional manual inventory, enabling asset management to enter the era of informatization and precise management.
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