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The charging current in underground cables imposes a serious practical limit to the transmission length. This paper proposes half-wavelength plus (λ/2+) transmission method for underground cables to extend the transmission length to distances exceeding the electrical half-wavelength. The λ/2++ transmission method has been proposed previously for overhead lines. But, when this concept is applied to...
Overhead (OH) transmission lines when loaded always consume reactive power. An underground (UG) power cable on the other hand is in itself a huge capacitor and therefore a source of reactive power. This paper highlights the use of UG power cables in conjunction with overhead lines, where the reactive power requirement of overhead line is compensated by UG power cables. To realize this compensation,...
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