Energy conservation in an HVDC-AC power system

✍ Scribed by S.C. Tripathy

• Book ID: 103900881
• Publisher: Elsevier Science
• Year: 1988
• Tongue: English
• Weight: 589 KB
• Volume: 14
• Category: Article
• ISSN: 0378-7796
• DOI: 10.1016/0378-7796(88)90007-7

✦ Synopsis

Most DC transmission lines use a return path through the ground or sea water or both, either continuously or for short times of emergency. The ground return DC line is more economical than a line with metallic return, because ground return saves most of the cost of one metallic conductor and the losses in it. However, the ground return suffers the problem of interference with operation of AC power transmission in the neighborhood. The problem causes abnormal reactive power flow and resultant power losses in the AC lines. Consequently, a large reactive component of the current flows in the lines. This paper presents an analysis to mitigate this problem and conserve electric energy by avoiding losses.