中文摘要：

随着电网规模的扩大和用电需求的增加，提高电网输送能力、构建安全稳定的电网已成为中国电网的发展目标。介绍了目前提高电网输电能力的研究重点，阐述了智能电网背景下提高输电能力的相关技术。在此基础上，分析了未来研究的新思路，提出了其长远发展的框架。

英文摘要：

With the increase of power grid scale and power demand, improving transmission capacity of power grid and constructing safe and stable power grid have become the development targets of China power grid. The paper introduced the present research focuses in improving transmission capacity and described the related technologies for improving transmission capacity in smart grid. On the base of this, the new concepts in future research were analyze and the long-term development frame was proposed,