Abstract
With the rapid development of renewable energy worldwide, the electricity from large-scale renewable energy bases is transmitted to load-intensive area by DC transmission lines, forming an AC-DC hybrid system with AC and DC coupling obviously and tightly. Measuring the development level of the AC-DC hybrid system is of great significance for grid construction and power transmission. This paper first establishes a kind of comprehensive evaluation system that reflects both the interaction of AC-DC and the overall system capability. Then the evaluation method combining the three methods of AHP-Entropy-TOPSIS is carried out relatively. Finally the evaluation system and method is applied in the actual grid example. The comprehensive evaluation system and method of AC-DC hybrid system constructed in this paper is of reference significance to power grid planning and operation management.
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