【摘 要】
：
为确保线路运行安全,针对我国第1条1000 kV交流特高压同塔双回线路特点,采用真型杆塔进行了工频电压、不同波前时间操作冲击和雷电冲击电压的放电特性试验;并利用污秽试验大
【基金项目】
：
国家电网公司1000kV级交流特高压输变电工程关键技术重大研究项目;
论文部分内容阅读
为确保线路运行安全,针对我国第1条1000 kV交流特高压同塔双回线路特点,采用真型杆塔进行了工频电压、不同波前时间操作冲击和雷电冲击电压的放电特性试验;并利用污秽试验大厅开展了长串绝缘子的污耐压特性试验研究,获得了多条重要的放电特性曲线及长串绝缘子污耐压曲线.根据真型杆塔空气间隙试验结果及过电压计算结论,提出了1000 kV交流特高压同塔双回线路杆塔最小安全间隙建议值,依据长串绝缘子污耐压试验结果,推荐了线路绝缘子配置参数.
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