관로 및 직매 포설에 대한 토양열저항의 검토

STUDYING SOIL THERMAL RESISTIVITY ABOUT CABLE LAYING OF PIPE DUCTING, DIRECT BURYING

  • 발행 : 1993.07.18

초록

Laying up homogeneous power cable in the earth. we sure that one of the most effectest fact is the rising of thermal resistivity. Today, system designing of in and outdoor project, calculating current carrying capacity totally depend on standard of JCS-168D and IEC-287 to applicate. Specially, the formula of calculating soil thermal resistivity is what is based on KENELLY,s is usually used. In this report, Let's study the formula of soil thermal resistivity which was born in the idea of KENELLY.

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