CAJ | 학술논문

我国高速铁路牵引供电接触网雷击故障相比普速铁路明显增多，亟待采取措施加以解决。在接触网绝缘子旁并联安装并联间隙装置，是一种有效的防雷措施，可作为避雷器和避雷线措施的有力补充。根据接触网布局结构和运行可靠性要求高的特点，结合工频电弧运动特性仿真研究，设计了并联间隙结构型式，特别设计采用了一种新型 U 型抱箍增强安装稳定性，研究选择了招弧角关键参数和放电间隙距离，确定了热稳定试验、工频电弧试验和振动试验方法和条件，对样品进行了雷电冲击放电伏秒特性试验、热稳定试验、工频电弧试验和振动试验检验，验证了装置技术性能满足使用要求，并研究提出了应用方案。研制成功的并联间隙装置可搭配接触网正馈线、接触线和加强线绝缘子使用，具备挂网运行条件。
아국고속철로견인공전접촉망뢰격고장상비보속철로명현증다，극대채취조시가이해결。재접촉망절연자방병련안장병련간극장치，시일충유효적방뢰조시，가작위피뢰기화피뢰선조시적유력보충。근거접촉망포국결구화운행가고성요구고적특점，결합공빈전호운동특성방진연구，설계료병련간극결구형식，특별설계채용료일충신형 U 형포고증강안장은정성，연구선택료초호각관건삼수화방전간극거리，학정료열은정시험、공빈전호시험화진동시험방법화조건，대양품진행료뇌전충격방전복초특성시험、열은정시험、공빈전호시험화진동시험검험，험증료장치기술성능만족사용요구，병연구제출료응용방안。연제성공적병련간극장치가탑배접촉망정궤선、접촉선화가강선절연자사용，구비괘망운행조건。
It is urgent to take measures to cope with the situation that compared with general speed railway, the lightning stroke fault rate of traction power supply catenary in high speed railway in China increased significantly.To install gaps in parallel with insulators would be a kind of effective lightning protection measures which can be used as a supplemental measures of line metal oxide surge arresters and overhead ground wires. Considering the topology structure and high reliability requirement of catenary, and based on the simulation study on the motion characteristics of power frequency arc,the parallel gap structures were designed, a new U-shaped clamp was specially designed and applied to enhance the stability of the installation,the main parameters of arcing horn and the distance of discharge gap were selected,the methods and conditions of thermal stability test and power frequency arc test and vibration test were put forward,and the technical performances of the samples were proved reliable to meet the use requirements by the results of lightning impulse test and thermal stability test and power frequency arc test and vibration test . The parallel gap products with positive feeder/contact wire/strengthened contact wire insulators were successfully developed and are ready for practical application.