The fault location principle that utilizes traveling wave is used in the small current grounding power systems firstly in my paper . using the powerful function of wavelet in the face of singular detection , the time that the wave crest arrives are detected and the fault location is realized . this paper provides a new approach for the research of equipment of the single phase grounding fault location and makes a significant step for the improvement of automation level in the distribution systems 本文将行波故障测距原理在小电流接地系统中进行了初步尝试,利用小波变换对奇异性检测的强大功能,检测行波波头的到达时刻,实现故障测距,为小电流接地系统单相故障测距装置的研制开辟了新的途径,为配电网自动化水平的提高迈出了重要的一步。
This paper reviews the import of the rack cleaner used for the lingjintan hydropower station , describes the technical issues concerned , introduces the erection , testing , and operation of the cleaner , and then puts forward an envisagement on upgrading the automation level of such cleaner and going on the development of the fully - automatic rack cleaner in china 摘要通过回顾?津滩水电站清污机引进时考虑的技术问题,介绍安装、调试和目前使用的情况,最后提出了提高该清污机自动化水平和继续研制国产全自动清污机的设想。
Aimed at higher efficiency , stable and reliable operation and convenient supervisory , the project adopted a plc - ipc combined hybrid control system with the merits of flexible configuration , accurate measurement , coordinated control , reliable performance and convenient maintenance , achieving a higher automation level of material proportioning 为了提高生产效率,保持稳定可靠运行,提供便利的监控手段,在改造工程中采用了plc和ipc相结合的混合控制系统方案,具有配置灵活、计量准确、控制协调、性能可靠和维修方便等优势,使高炉槽下配料达到较高的自动化水平。
Nowadays , our company applied many international advanced technology in production equipments , from aluminum pole casting , mould design , profile extrusion , even spraying , anode oxidation , mono - bino alkali dyeing , electrophoresis coating , color powder spraying , fake wooden texture to exact test , which automation level is high 目前,我公司从铝棒熔铸,模具开发,型材挤压均匀喷沙阳极氧化,单双盐着色电泳涂装多彩粉末喷涂仿真木纹,以至精密检测等生产线和设备均采用了国际先进技术,自动化程度极高,使产品质量达到了世界一流的先进水平。
Aiming at the problem that existence in the monitoring of simulate disk in local power grid , to enhance the level and efficiency of the electricity dispatch , to improve operation procedures , to change the troublesome work about 6kv line simulation disk , 35kv transformer substation and 6kv substation host cording diagram revision and maintenance from man - power , manual promotion to direct - viewing , real - time and work flow high automation level 针对地方电网“模拟盘”监视中存在的问题,为提高电力调度工作水平和效率,完善操作规程,把烦琐的6kv线路模拟盘、 35kv变电所和6kv配电所主结线图的修改和维护工作从人工、手动提升到直观、实时和工作流程高度自动化水平,实现电力调度日报、月报及日常管理实现规范化、自动化。