来源:电网头条 | 2023-01-16 10:23:29 |
(资料图片仅供参考)
1月14日获悉,山东首条35千伏光纤复合聚丙烯绝缘电缆在青岛挂网运行,标志着青岛供电公司在35千伏环保电缆领域迈出重要一步。
青岛供电公司在株洲路迁改工程的重要组成部分——35千伏李韩甲线支线应用聚丙烯绝缘电缆650米。该公司创新将光纤复合技术应用到电缆生产中,能够更有效地监测电缆运行状态,为全过程评估电缆寿命提供可靠的数据支撑。电缆投运前,该公司依托产学研平台,多次组织电缆中心、安装公司与国网山东电力设备部、电科院和设备厂家开展技术交流与实地考察,论证了聚丙烯绝缘电缆的可靠性。
与传统的交联聚乙烯绝缘材料相比,聚丙烯绝缘材料具有可降解、耐高温、载流量高、生产周期短等优点,且洁净度更高,还具有天然抗电、抗水树性能。同时,聚丙烯绝缘材料具有可塑化的特性,能够循环再利用,符合“碳达峰、碳中和”要求。据测算,此次投运的聚丙烯绝缘电缆在生产过程中可累计减少电能消耗4800千瓦时,减排二氧化碳4.8吨。
后续运行过程中,青岛供电公司将持续监测电缆运行状况,开展聚丙烯电缆系统可靠性技术研究,将聚丙烯绝缘电缆技术逐步推广至110千伏及以上电缆线路。
(崔浩杰 冀勇 孙腾飞)
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