Title :
Improvement in reliability of extrusion type molded joint for 275 kV XLPE cable
Author :
Ishihara, Hayato ; Suzuki, Hiroshi ; Sakuma, Susumu ; Ban, Shunichiro ; Shiseki, Nobuo ; Yamaguchi, Masayuki
Author_Institution :
Chubu Electric Power Co. Inc., Nagoya, Japan
fDate :
10/1/1992 12:00:00 AM
Abstract :
In the construction of a 275 kV long-distance power transmission line, the reliability of the extrusion-type molded joint (EMJ) is of utmost importance. To improve the reliability of EMJs, a study was undertaken to establish the control value and margin by computer simulation; verify the quality tolerance, variability, and control margin by ascertaining the characteristics of numerous samples; and confirm the properties of EMJs assembled under simulated typical trouble conditions obtained by determining assumed trouble patterns, through failure mode analysis. It was found that improved quality control measures based on the quality control data obtained during assembly permitted jointing work to be performed with greater reliability
Keywords :
cable insulation; cable jointing; digital simulation; organic insulating materials; polymers; power cables; power engineering computing; power transmission lines; reliability; XLPE cable; assumed trouble patterns; computer simulation; extrusion type molded joint; failure mode analysis; power transmission line; quality tolerance; reliability; Assembly; Cable insulation; Computer simulation; Conducting materials; Failure analysis; Pattern analysis; Polyethylene; Power cables; Power transmission lines; Quality control;
Journal_Title :
Power Delivery, IEEE Transactions on
