On the improvement of power - supply system of the booster in the pit 煤矿井下局部通风机供电系统的改进
Effect of power electronic technology development on power - supply system 电力电子技术发展对供电系统的影响
General design and practice of power - supply system for transmission centre at tv station 电视台播出中心电源系统总体设计及实践
Aerial - weapon ’ s power - supply system is an important part of the aircraft electric power systems , whose function is to convert the primary electric power to types of power - supplies that can be used by numbers of equipments in aerial - weapon system 飞机机载武器电源系统是飞机供电系统的重要组成部分,它用来将飞机主电源的电能转变为另一种或多种电能,为机载武器系统的用电设备供电。
Because of its unique structure and outstanding characteristics , multiple - channel brushless dc generator which is made up of doubly salient electro - magnetic generator is a new kind of one . it can improve the reliability of the power - supply system for helicopters 由于电励磁双凸极电机独特的结构和优良的性能,所以由电励磁双凸极电机构成的多余度无刷直流发电机是实现高可靠性直升机电源系统较为理想的一种新型无刷电机。
Doubly salient electro - magnetic generato ( rdseg ) is a relatively new type of ac brushless machine , which offers an excellent balance between cost , reliability , power density , and high - speed capability . the technology of multiple channels is of help to increase the capability of the aero power - supply system 电励磁双凸极发电机是一种新型的交流无刷电机,它具有结构简单、可靠性高、能量密度大及高速运行等优点。余度技术是提高航空电源系统可靠性的重要手段。
The former present common requirements for designment and test of power - supply system , while the later present the performance indexes and testing methods of military power - supply system according to the particularity of it . this thesis compares the differences of these two kinds of standards , and summarizes several important features that can adequately reflect the quality of power - supply system by summing up and analyzing the contents of these standards 本文比较分析了这两种标准的异同,对各标准中提出的性能指标进行比较和归纳,总结出能够充分反映电源供电质量的重要特性,并依照各类标准中提出的测试方法,结合测试项目的技术性能指标要求,提出了具体合理的系统测试方案。