phase voltage中文什么意思

例句与用法

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1. Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages , need not calculate the harmonics and reactive current components , as well as the use of any multipliers
   单周控制三相四线制有源电力滤波器不需要检测三相负载电流和三相电源电压，不需要检测谐波和无功电流，也不需要使用任何乘法器。
2. Railway applications - fixed installations - particular requirements for a . c . switchgear - measurement , control and protection devices for specific use in a . c . traction systems - single - phase inductive voltage transformers - single - phase voltage transformers
   铁路设施.固定装置.交流电开关的专门要求.交流牵引系统特殊使用的测量控制和保护装置.单相感应电压变压器.单相电压变压器
3. The amplitude of the fundamental voltage drops across the filtering inductances ln are negligible as compared to the amplitude of the mains phase voltages , the voltages across cn therefore are assumed to be impressed and equal to the mains phase voltages
   当基本电压从滤波电感降低到ln时，振幅与主电源相线电压相比可以忽略不计，因此我们可以认为通过cn处的电压被输送并且等于主电源相线电压。
4. Furthermore , soft - relay is employed to reduce the coupling of the three - phase voltages and prolong the distance of communication , which intensifies the capability via price , reliability and stability of the system
   系统中采用软中继有效地解决了三相电的耦合问题、增长了其通信距离，从而使得低压载波电力线较好地运用于智能大厦远程抄表系统，充分发挥系统性价比高、可靠性好、运行稳定等优势。
5. Those algorithms are reviewed , and their disadvantages are proposed . this thesis provides a new approach for protecting power transformers . the technique uses positive - and negative - sequence impedance and variation of magnetizing impedance , where phase voltages are used
   本文从机理上对变压器保护进行新认识，将电压量引入了变压器保护中，采用了基于序基频阻抗突变量和励磁阻抗变化的变压器保护方法。