سال انتشار: ۱۳۷۲

محل انتشار: هشتمین کنفرانس بین المللی برق

تعداد صفحات: ۹

نویسنده(ها):

Nicoara – Univesity Politechnica of Bucharest ROMANIA
Loan – Univesity Politechnica of Bucharest ROMANIA

چکیده:

The paper presents Carson’s formula for the contribution of the earth to the transmission line parameters in a modified form,which is closer to the physical nature of the problem . Also,arep roposed approximate formula for the contribution of the earth , valid in specified conditions. Diagrams are given which enable a quick computation.