CAJ | 학술논문

紧凑型输电线路可较大幅度提高自然输送功率，有效压缩输电线路走廊宽度，提高单位走廊利用率，是今后我国特高压输电技术发展的方向之一。为此，对特高压单回紧凑型输电线路导线等边倒三角布置的电磁环境进行了全面研究，综合考虑电气、导线次档距振荡两方面特性和线路经济性等因素，确定了7种较优的导线结构及其分裂间距。建议特高压紧凑型采用与特高压常规线路相同的控制指标，计算了不同导线结构的工频电场、磁感应强度、可听噪声和无线电干扰水平，获得了满足电磁环境要求的导线结构和相间距离，通过比较线路损耗和自然功率等指标确定了10×500与12×400两种较优的导线布置方案，并与特高压常规单、双回线路进行了比较。研究表明特高压紧凑型线路采用10×500导线、相间距离14．9m时其自然功率较常规单回路典型布置可增加约26％，同时可大幅减小输电走廊，单位走廊输送容量为后者的2．80倍。
긴주형수전선로가교대폭도제고자연수송공솔，유효압축수전선로주랑관도，제고단위주랑이용솔，시금후아국특고압수전기술발전적방향지일。위차，대특고압단회긴주형수전선로도선등변도삼각포치적전자배경진행료전면연구，종합고필전기、도선차당거진탕량방면특성화선로경제성등인소，학정료7충교우적도선결구급기분렬간거。건의특고압긴주형채용여특고압상규선로상동적공제지표，계산료불동도선결구적공빈전장、자감응강도、가은조성화무선전간우수평，획득료만족전자배경요구적도선결구화상간거리，통과비교선로손모화자연공솔등지표학정료10×500여12×400량충교우적도선포치방안，병여특고압상규단、쌍회선로진행료비교。연구표명특고압긴주형선로채용10×500도선、상간거리14．9m시기자연공솔교상규단회로전형포치가증가약26％，동시가대폭감소수전주랑，단위주랑수송용량위후자적2．80배。
Compact transmission lines can greatly enhance the natural power, and effectively reduce the corridor ot power lines to increase the utilization of corridor unit. We investigated the electromagnetic environment of 1000kV AC single-circuit compact transmission lines with inverted equilateral triangle conductors arrangement. Seven kinds of conductor arrangement with its corresponding bundle spacing were decided by the consideration of electric charac- teristics, sub-span oscillation characteristics, and economy. Then the power frequency electric field strength, the magnetic field strength, the audible noise, and radio interference of different conductor structures were cal.eulated, assuming that the UHV compact transmission lines and the conventional lines had the same control indexes~ and the conductor structure and bundle spacing were acquired. Therefore, the conductor arrangements of 10 ）〈 500 and 12 ~ 400 were determined. Moreover, the conventional lines of single-clrcult and double-circuit were compared. By con- trast with the sing）e-circuit conventional lines, the natural power of compact UHV transmission lines could increase by about 26%, and the transmission capacity of unit corridor is 2.80 times, which significantly reduces the corridor.