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Comparison and selection of overlay extra high voltage in North West China power network

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2 Author(s)
Qian, J.X. ; North West Electr. Power Adm., Shaanxi, China ; Li, P.W.

The choice of proper overlay extra high voltage is an urgent and difficult problem faced by planning engineers in the Northwest Electric Power Administration (NWEPA). In this paper, a brief presentation of the North West China Power Network (NWCPN) is offered. Next, a comparison both in technical and economic terms is described. In the author's opinion: 500 kV AC is not a good solution; 750 kV is an ideal alternative in theory, but it meets many barriers in practice; while 500 kV MTDC (multi-terminal DC) may be chosen as a feasible solution

Published in:

Advances in Power System Control, Operation and Management, 1993. APSCOM-93., 2nd International Conference on

Date of Conference:

7-10 Dec 1993