English translation for "unity power factor"
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- 单位功率因数
Related Translations:
unity: n.1.单一，唯一；个体，整体，统一体。2.团结，一致，和睦，调和。3.同质，同式，同样；不变性，一贯性。4.统一；合一。5.【数学】一，单位元素。6.【法律】共同租地权，共有。短语和例子unity and multiplicity 一和多。 the dramatic unities ＝ the unities of time, place, and action 戏剧上时
- Example Sentences:
| 1. | Single - phase transformers up to 600 va , 5060 hz , unity power factor
600伏安以内、 5060赫兹、功率因素为1的单相变压器； | | 2. | Single - phase transformers up to 600 va , 5060 hz , unity power factor and tests for transformer ( up to ip4x )
600伏安以内、 5060赫兹、功率因素为1及测试变压器用（ ip4x以内）的单相变压器； | | 3. | Basic calibration of a wattmeter will include tests at rated voltage and frequency with 5 different current settings on the current range ( unity power factor )
功率表的基本校正工作包括对额定电压及频率在其电流量程(功率因数为一)的五个不同电流值进行测试。 | | 4. | The result of simulation for the closed - loop system in the matlab illustrates that the system can provide unity power factor not only in ideal condition but also in the case of errors in missing of some current
研究表明系统在理想情况下能实现单位功率因数而且在某相电流误差信号丢失的非理想情况下仍然能实现单位功率因数控制。 | | 5. | With promulgation and obliging actualization of iec 1000 - 3 - 2 etc . international standards , power factor correction ( pfc ) technique become a hotspot of research in power electronics field . based on average current mode , the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response . the control - loop circuit is realized using digital control and the corrector can tend to unity power factor , lower current harmonics and high transfer efficiency
本文在平均电流模式控制的有源功率因数校正技术的基础上，设计了一种控制电路基于数字信号处理器( dsp ) 、主电路采用boost变换器拓扑结构的全数字单相功率因数校正器，用数字电路代替传统的模拟电路来实现对整个回路的控制，最终使得校正器具有输入功率因数接近于1 、低电流谐波以及高转换效率的特性。 | | 6. | With the serious problem of harmonics pollution to the power system , as well as the need of high performance of ac drive application , three - phase pwm rectifiers have been as active research topic in power electronics recently , due to the virtues , such as sinusoidal input currents , unity power factor , steady output voltage , good dynamics and bin - directional energy flow
随着电网谐波污染问题日益严重和人们对高性能电力传动技术的需要， pwm整流技术引起人们越来越多的注意。三相pwm整流器可以做到输入电流正弦、单位功率因数、直流电压输出稳定，具有良好的动态性能并可实现能量的双向流动。因此， pwm整流器成为当前电力电子领域研究的热点课题之一。 | | 7. | These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode , its power factor can not reach unity . therefore , it is not qualified for high power and high requirement application . according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction , the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit
本论文把积分复位控制成功应用于三相功率因数校正技术中，作了以下几方面的研究： 1 .从理论上证明了三相单开关boost型pfc即使工作在ccm ，其功率因数也不能达到1 ，在大功率和对功率因数校正能力要求较高的场合，三相单开关boost型pfc达不到要求， 2 .根据三相三开关boost型功率因数校正交流侧的等效电路，推导出实现单位功率因数所需的控制方程，并用积分复位控制电路进行实现，在理论研究的基础上进行了仿真研究。 |
- Similar Words：
- "unity of the church" English translation, "unity of thinking" English translation, "unity park" English translation, "unity party" English translation, "unity path" English translation, "unity power factor test" English translation, "unity power-factor" English translation, "unity power-factor test" English translation, "unity slope" English translation, "unity step method" English translation
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