In three-phase circuit, three-phase power source, three-phase load and three-phase line so long as has a part not to be asymmetrical is called not the assymetrical three-phase circuit.When load not symmetry, the load neutral point has the displacement, the neutral point displacement creates ...
The present invention provides a three-phase AC power supply switching circuit, can cope with a plurality of types of three-phase AC power and complicated structure is suppressed. 操作电路(25)在三相交流电源用切换电路(100)接收了R相以及N相的情况下被设定为导通状态. Operational circuitry (25) in ...
英语翻译麻烦翻译这段英语,A three-phase circuit is merely a combination of three single-phase circuits.Because of this fact,current,voltage,and power relations of balanced three-phase circuits may be studied by the application of single-ph
1.An automatic detecting circuit of phase sequence and open phase of a three-phase power;一种三相电源相序与断相自动检测电路 2.An useful protection module of three-phase power was introduced in this paper.介绍一种实用的三相电源保护电路模块。 3)three-phase source三相电源 1.A study of the conve...
为此,只要改变触发电路所提供的触发脉冲送出的早晚,就能改变晶闸管 在交流电压 U2 一周期内导通的时间,这样负载上直流平均值就 In the understanding three-phase bridge type leveling circuit principle of work foundation, designs the reasonable three-phase bridge type leveling circuit the triggering electric ...
Three phase circuit AC power supply through the po 优质文献 相似文献Device for detection of the phase current asymmetry in the three-phase lines of non-traction consumers electrified railway transport receives power from the power system and operates on a single-phase current, which leads to uneven...
1)three-phase power singal三相工频信号 1.Instrument being put into production and application prove that the design can measure the parameters ofthree-phase power singaleffectively.经过投产和用户验证,该设计能有效地测量三相工频信号的各个参数。
放大器晶体管Q1本身可以是数个晶体管串联或并联构成的单元,接下来比较算是电路架构的功率合并方法,其原理都需要一个功率合并器Power Combiner,依据不同架构会有不同Power Combiner例如Balun/Transformer, Quadrature coupler, In-phase power combiner(ex. Wilkinson coupler),有兴趣的可以参阅[5] Steve C. Cripps 第...
Choose Your Region ColourRegional Specific Colours Each electrical line in a three phase circuit has its own colour code depending on the country it is being used in. Select your line or panel mount based on your specification. Find out more about international wiring colours or ask our sales ...
3) three-phase alternating-current supply 三相交流电源 1. This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase. 介绍了一个主要由峰值检波器和脉冲宽度...