四开关,four-switch
1)four-switch四开关
1.Comparability of the three-phase four-switch inverter with two-phase induction motor driver is discussed in the paper by the method of magnetic-flux controlling.本文利用磁链轨迹控制方法分析了四开关三相逆变桥与两相电机驱动器的相似性。
英文短句/例句

1.Pulse Width Modulation Signal Generation Methods for Four-Switch Three-Phase Inverters四开关三相逆变器的PWM脉冲生成方式
2.Research of Four-wire Three-phase Active Power Filter based on Fuzzy-PI Control模糊PI控制三相四开关并联型APF研究
3.Dual Edge Modulated Four-switch Buck-Boost Converter双沿调制的四开关Buck-Boost变换器
4.Brushless DC Motor Controlled Systerm of Four-Switch Three-Phase基于四开关三相的无刷直流电动机控制系统
5.A Multi-Mode Four-Switch Buck-Boost DC/DC Converter一种多模式四开关降压-升压型DC-DC转换器
6.Four modes of operation are possible.控制开关钮有四档。
7.The key to our success in modernization, the reform and the opening to the outside is stability.我们搞四化,搞改革开放,关键是稳定。
8.Four Processes that Should be Concerned in New Projects;新开工工程项目应关注的“四个流程”
9.Research on Design and Control of Four-phase Switched Reluctance Motor四相开关磁阻电机的设计及控制研究
10.About the Setting of Safety 4-pole Switch for Low-voltage System Overhaul论低压系统检修安全四极开关的设置
11.with four communications, such as, African, or Australia,有着四个开关的气垫船在非洲、澳大利亚等。
12.Reverse blocking tetrode thyristor; semiconductor controlled switch.反向阻断四极型可控硅、半导体控制开关。
13.Switching time of the new-type transistor is shortened five times.新型晶体管的开关时间缩短了五分之四。
14.Study on the Agricultural Geological Background of Jianmenguan Scenic Spot in Sichuan Province and Its Agricultural Tourism Development;四川剑门关农业地质背景及农业旅游开发研究
15.Stick to the Four Critical Periods to Explore Family Education;抓好四个关键期 开发亲情家教这一宝贵资源
16.Key Problems and Methods to Developing Rural and Urban Markets for the Household Electrical Appliances Enterprises;家电企业开发三四级市场的关键问题及方法
17.Investigation of chaotic behaviors in a four-phase switched reluctance motor drive四相开关磁阻电动机系统混沌特性研究
18.Appaication of Four Quadrant Swich Magntic Resistance Speed Control Technologyin Shearer四象限开关磁阻调速技术在采煤机中的应用
相关短句/例句

four switch四开关
1.This paper studies on the circuit of the four switch three phase inverter.主要研究四开关的三相逆变器电路,该电路由两组开关桥臂和一组电容桥臂组成。
3)four-pole switch四极开关
1.The paper mainly gives the work condition of neutral current,introduces application of four-pole switch in different grounding systems and problems to be noticed.文章主要阐述了中性线的工况和各种不同接地系统中四极开关的应用及应用中需要注意的问题。
2.The article describes the conditions in selection of four-pole switch,applicable site and points out the cautions in actual projects.论述了四极开关选择的条件,应用场所,指出了在实际工程中应注意的问题。
3.The application scope and gist of three-pole and four-pole switch are emphasized with an engineering example.文中阐述了ATSE的概念、分类、性能特点以及为交换局双电源系统选择ATSE时应考虑的因素,重点分析了三极开关和四极开关的适用范围和选择依据,并通过工程实例予以说明。
4)four-direction switch四向开关
5)four-way switch四路开关
6)quadruple switch四连开关
延伸阅读

1,3,5,7-四甲基四乙烯基环四硅氧烷分子式:[CH3(CH2=CH)SiO]4 CAS号:性质:沸点224~224.5℃(101.06kPa)。熔点-43.5℃±0.1℃。相对密度0.9875。折射率1.4342。与八甲基环四硅氧烷性能相似,在微量硅醇钠、硅醇钾或少量浓硫酸作用下,Si-O-Si键断裂重排,生成直链的聚硅氧烷和环状硅氧烷的混合物。 Si-CH=CH2键在有机过氧化物存在下,可进行游离基聚合反应。在铂催化剂存在下,可与Si—H键发生加成反应。可由甲基乙烯基二氯硅烷的水解料催化裂解来制取。用来合成有机硅中间体及高分子化合物提供活性交联点之用,是制备硅橡胶不可缺少的原料之一。