| 1. | In this paper , a management information system for power transformation equipment maintenance and reparation is analyzed and developed 本文完成了变电检修管理信息系统的设计与开发工作。 |
| 2. | Once the transformer substations " basic constructions - power transformation structures brake down or collapse , the aftermath will be very serious 如果其中的基本结构? ?变电构架一旦出现损毁、倒塌事故,其后果将极其严重。 |
| 3. | This paper , based on the automation system of nsc , aims to analyze the application mode and core idea of intelligent technology of power transformation control 本文结合nsc厂站自动化系统,分析了变电控制智能化技术的应用模式及核心思想。 |
| 4. | The paper is mainly engaged in researches on power converter , the key component in fess , and it should be a bi - directional power transformation instrument 本文的主要任务是对飞轮储能系统的关键组件? ?电力转换器进行研究,它需要被设计为一个双向功率流变换装置。 |
| 5. | Considering the purpose of study and referring home and broad research production , this article plans to adopt monte carlo - finite elements method to proceeding power transformation structures " reliability analysis based on damage . 2 鉴于本文的研究目的,并借鉴国内外的研究成果,本文拟采用montecarlo一有限元方法进行基于损伤下变电构架的可靠性分析。 |
| 6. | So , it is necessary to study the method of reliability assessment and analysis for the power transformation structures based on damage , by which we can assess the power transformation structures " reliability through scientific means 因此有必要针对电力系统变电构架进行基于损伤下的可靠性鉴定和分析方法和技术的研究,以科学的方法对现役变电构架可靠性做出评判。 |
| 7. | At the part of literature summarization , this research mainly discusses the similarities and differences about the leading particularities theory , the leading behavior theory and the leading power transformation theory in china and overseas by the compare 在文献述评部分,通过比较研究的方法重点探讨了国内外在校长领导特质、领导行为以及权变领导理论方面的异同。 |
| 8. | With the increasing of the load and existance of the higher voltage scale , the reactive power transformation caused by the line switching and load changing is more and more common . therefore , the ability to regulate and control the voltage and reactive power should be advanced 随着电网负荷增大和电压等级提高,线路投切、负荷变化等将容易引起较大的无功功率变化,因此对电网无功和电压的调节、控制能力要求越来越高。 |
| 9. | Round steel tube members now have been widely used in space grid structures , reticulated shell structures , power transformation structures and ocean platforms , etc . most of the above - mentioned space structures are multiply hyperstatic structures under complicated stress condition 目前,圆钢管构件已广泛应用于网架、网壳、电力构架和海洋平台等空间结构中。上述这些结构大部分是高次超静定结构,它们受力状态比较复杂。 |
| 10. | The construction of the project mainly includes : storage tanks for crude oil 、 intermediate oil and product oil , processing equipment , torch assembly , railway for product oil , highway for loading and transport , sewage disposal plant , heat supply , wind supply , power transformation and distribution , heating and ventilating , communication and other public and storage - transport works , control center and off - set facility for analysis and assay 、 maintenance and repair 、 office work 该项目的范围主要包括原油、中间油及成品油罐储区、工艺装置、火炬、成品油铁路、公路装运、污水处理、供热、供风、变配电、发电、暖通、通信等公用工程及储运工程,控制中心,分析化验、维修、办公等辅助设施。 |