中文摘要：

紧凑型输电技术是我国近十几年迅速发展和应用的一项新技术，紧凑型输电线路与常规线路相比，具有提高自然输送功率、压缩线路走廊宽度、降低工程建设造价的特点，具有很大的经济效益和社会效益。为确保750kV紧凑型输电线路带电作业的安全进行，进行了安全防护研究，根据线路实际情况对进入紧凑型输电线路带电作业方式和通道进行了仿真试验研究。研究结果表明，上相水平通道和下相水平通道为安全优化的带电作业通道，带电作业人员在工作位置时，50％放电电压没有明显的降低，工作位置安全。

英文摘要：

The compact power transmission technology is a new technology which is developed quickly and applied in China for recent years. Compared with conventional lines, the compact power transmission lines improve the delivery of natural power, compress the width of corridor, and have lower construction cost. This technology has great economic and social benefits. To ensure the safety of live working on 750 kV compact power transmission lines, we focused on the safety protection, put forward the method and entryway of live working, and calculated the dangerous rate. The results show that the horizontal channel is the best entryway of live working.