脉动电压
- ripple voltage;pulsating voltage
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交流发电机输出的直流电动势会有较大的脉动电压。
The DC electromotive force output by AC generator can have quite big pulsating voltage .
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概述了利用电容膜降低PWB噪声的方法,可以有效地降低电源-地线层之间的谐振和电源脉动电压。
This paper describes the method of Lowering PWB noise using condenser film , can lower resonance between the power supply layer and the ground layer and power supply ripple voltage effectively .
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采用整流二极管降压,使灯泡在脉动电压为50Hz的状态下工作,可延长灯泡寿命十余倍。
Rectifying diode to step down the voltage and making the bulbs in corridor work in 50 Hz pulsant voltage , we can lengthen the life-span of the bulbs to more than ten times .
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基于直流电压注入的多脉动电压源换流器
Multi-Pulse Voltage Source Converter Based on DC Voltage Injection
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自适应滤波在直流电站脉动电压测试中的应用
Application of Adaptive Filter in DC Pulsating Signal Measurement
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7年的使用实践表明,直流脉动电压频率调制技术对抑制声谐振现象十分有效。
The 7 years ' applicable practices indicate that the frequency modulation technology with DC bus voltage ripples is very effective to suppress ( acoustic ) resonances .
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它的击穿特性由于换流变压器运行条件的特殊性,尤其是由于出现了脉动电压,直流叠加冲击及直流电压极性反转这三类复合电压,也有其特殊之处。
Because of the special operation conditions , especially of the existance of combined ac-dc voltage , combined dc-impulse voltage and dc reversed polarity , its breakdown characteristics are different from those of a simple ac transformer .
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在分析一种低脉动输出电压的谐振DC环逆变器原理的基础上,对谐振环的谐振阶段的损耗进行了分析与近似计算。
On the base of the theory of lowly pulsant output resonant DC-link inverter , the loss in the resonant phase of the resonant DC-link is analyzed and almost calculated .
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高压直流输电3脉动谐波电压源计算
Calculation of Three-pulse Harmonic Voltage Source for HVDC Transmission
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脉动:电压或电流作有规则的,短暂的和明显的突然变动。
Pulse : A regular , significant abrupt change of short duration in the level of an electric voltage or current .
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二极管单相半波整流电容滤波电路中,由于负载电阻上有脉动的输出电压,所以给负载电阻的测量带来很大的误差。
In the diode single-phase half-wave rectification capacitor filter circuit , the output voltage on the load resistance leads to errors in the measurement .
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文章分析了该逆变器的工作原理、串并联两种运行模式对输出滤波电感电流脉动、输入电压脉动、系统稳定性的影响,并以1000VA双降压式半桥逆变器为例进行了实验验证。
The operation principle , stability and current ripple of the output filter inductor between serial and parallel modes are analyzed . A 1000 VA serial and parallel combined dual buck half-bridge inverter ( DBHBI ) has been implemented to verify the analysis .
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它具有控制简单,输出电流动态响应好,脉动小,输出电压谐波含量小等优点。
It has the advantages of simple controller , excellent dynamic response , low harmonics and so on .
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通过两种类型直流电动机的对此试验,进一步对调速范围、脉动力矩和电枢电压匹配等问题作了分析。
Through the comparative test of two types of DC motors , the problems , such as the speed adjusting range , pulsed torgue and matching of armature voltage , are further analyzed .
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在优化的脉动补偿环节的基础上,分析了脉动补偿和电压环穿越频率的关系,对电压环部分的参数作了优化。
According to the improved pulse compensation circuit , the relation between pulse compensation and crossover frequency of the voltage loop is analyzed , and the parameters of the voltage loop are optimized .
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相反,从谱线强度脉动图中可以看到,射流核的脉动是由电弧电压脉动造成的,这可能是射流核脉动的最主要原因。
Moreover , from the light dynamic variation graph , the jet fluctuation due to the arc voltage behavior may be the dominant characteristic of the jet behavior .
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结合多路输出电源,分析耦合电感对电源性能的影响,并在分析耦合电感各参数对电流脉动影响的基础上提出:通过改变耦合电感的绕制方法来调整输出电流脉动和输出电压纹波。
According to the analysis , the novel methods to regulate the output ripple current or ripple voltage in the multi-output converters is presented in this thesis .