摘要
将超导输电技术与液化天然气(LNG)管道输送技术相结合,形成能同时输送LNG与电力的能源管道,不仅可以节约能源通道,还可以利用LNG冷却超导电缆,提高能源输送效率和经济性,是一种极具前景的能源输送方式。在国家"智能电网与装备"重点研发计划的支持下,开展了超导直流能源管道的基础研究。该文主要介绍超导直流能源管道的基础研究项目近一年多的进展情况,主要包括:LNG混合工质的低温液固转变机理及传热流动特性,电力/LNG一体化输送动态稳定性判据,为安全性与故障演化分析而搭建的实验平台及初步实验结果,以及10m/10kV超导直流能源管道原理样机的研制与实验情况。
The combination of superconducting transmission technology and LNG pipeline transportation technology to form an energy pipeline to transport LNG and electricity at the same time,can not only alleviate the tension of energy channels but also improve energy transmission efficiency and economy by using LNG to cool superconducting cables, which is a promising energy transmission mode. Therefore, supported by the national "smart grid and equipment" key research and development plan, we carried out the basic research on the superconducting DC energy pipeline. This paper mainly introduces the research progress of the superconducting DC energy pipeline project in the recent one and a half year, which includes: the low-temperature liquid-solid transition mechanism, the heat transfer and flow characteristics of mixed LNG mixtures, the dynamic stability criterion of integrated power/LNG transportation, the experimental platform and preliminary experimental results for safety and fault evolution analysis, and the development and test of the 10 m/10 kV energy pipeline prototype.
作者
张国民
陈建辉
邱清泉
靖立伟
滕玉平
赵延兴
蒋晓华
谭宏博
公茂琼
李振明
丘明
张宏杰
Zhang Guomin;Chen Jianhui;Qiu Qingquan;Jing Liwei;Teng Yuping;Zhao Yanxing;Jiang Xiaohua;Tan Hongbo;Gong Maoqiong;Li Zhenming;Qiu Ming;Zhang Hongjie(Key Laboratory of Applied Superconductivity Chinese Academy of Sciences(CAS),Beijing 100190 China;Institute of Electrical Engineering CAS,Beijing 100190 China;University of Chinese Academy of Sciences,Beijing 100049 China;Technical Institute of Physics and Chemistry CAS,Beijing 100080 China;Department of Electrical Engineering Tsinghua University,Beijing 100084 China;School of Energy and Power Engineering Xi'an Jiaotong University,Xi'an 710049 China;Electric Power Research Institute,Beijing 100192 China)
出处
《电工技术学报》
EI
CSCD
北大核心
2021年第21期4389-4398,4428,共11页
Transactions of China Electrotechnical Society
基金
国家重点研发计划“智能电网技术与装备”重点专项2018年度项目“超导直流能源管道的基础研究”(2018YFB0904400)资助。
关键词
超导直流能源管道
低温LNG特性
电-热-流耦合
Superconducting DC energy pipeline
low temperature LNG characteristics
electricthermal-fluid coupling
