Actual operation as well as technical and economical comparison have shown that this system has outstanding advantages.
通过实际运转及技术经济比较，证明该系统具有无可争辩的优越性。
Based on the results of technical-economical comparison of different installation schemes, a project for the installation of controllable reactors in Northwest China power grid is proposed.
最后根据各安装方案的技术经济比较结果提出了西北电网安装可控电抗器的方案。
Therefore, technical renovation was carried out for solving these problems, and option comparison and economical analysis were conducted.
针对此问题进行了技术改造，并进行了方案比较及经济分析。
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