中英
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unity power factor中文是什么意思
- 中文翻譯
- 造句
- 單位功率因數(shù)
- unity n. 1.單一，唯一；個體，整體，統(tǒng)一體。 2.團結(jié)，一 ...
- power n. 1.力，力量；能力；體力，精力；(生理)機能；〔常 ...
- factor n. 1.〔英國〕經(jīng)銷人；(代客買賣收取傭金的)經(jīng)紀人； ...
- unity power factor test 功率因數(shù)等于1的電機試驗; 功率因數(shù)等于一的電機試驗
- unity power-factor 單位功率因數(shù)
- unity power-factor test 功率因數(shù)等于1的電機試驗; 功率因素等于1的電機試驗
- unity-power factor 單位功率因數(shù)
- factor, power 功率因數(shù)
- power factor 捕撈能力指數(shù); 功率系數(shù); 功率因數(shù)/動力系數(shù); 功率因素(電),出力系數(shù)(螺槳); 功率因子; 冪因素; 能力因素
- power-factor 功率因數(shù)
- unity n. 1.單一，唯一；個體，整體，統(tǒng)一體。 2.團結(jié)，一致，和睦，調(diào)和。 3.同質(zhì)，同式，同樣；不變性，一貫性。 4.統(tǒng)一；合一。 5.【數(shù)學(xué)】一，單位元素。 6.【法律】共同租地權(quán)，共有。 unity and multiplicity 一和多。 the dramatic unities ＝ the unities of time, place, and action 戲劇上時間、場所、情節(jié)的一致，三一律。 family unity 家庭融洽。 national unity 全國一致。 live at [in] unity 融洽過日子，和睦相處 (with)。
- automatic power factor regulator 功率因數(shù)自動調(diào)節(jié)器; 自動功率因數(shù)調(diào)整器; 自動功率因素調(diào)整器
- cable power factor 電纜功率因數(shù)
- circuit power factor 電路功率因數(shù)
- compensation of power factor 功率因素的補償
- condenser for power factor improvement 功率因素補償電容
- constant power factor 恒定功率因數(shù)
- corrector power factor 功率因素修正器
- corrector, power factor (pfc) 功率因素修正器
- dielectric power factor 電介質(zhì)功率系數(shù); 介電功率因數(shù); 介質(zhì)功率甲數(shù); 介質(zhì)功率損耗因數(shù); 介質(zhì)功率因數(shù)
- displacement power factor 基波功率因數(shù)
- effective power factor 有效功率因數(shù)
- electric power factor 電功率因數(shù); 電軾率因數(shù)
- electrodynamic power factor meter 電動式功率因素計
- fine power factor 小功率因數(shù)
- Single - phase transformers up to 600 va , 5060 hz , unity power factor
600伏安以內(nèi)、 5060赫茲、功率因素為1的單相變壓器； - Single - phase transformers up to 600 va , 5060 hz , unity power factor and tests for transformer ( up to ip4x )
600伏安以內(nèi)、 5060赫茲、功率因素為1及測試變壓器用（ ip4x以內(nèi)）的單相變壓器； - 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對額定電壓及頻率在其電流量程(功率因數(shù)為一)的五個不同電流值進行測試。 - 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
研究表明系統(tǒng)在理想情況下能實現(xiàn)單位功率因數(shù)而且在某相電流誤差信號丟失的非理想情況下仍然能實現(xiàn)單位功率因數(shù)控制。 - 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
本文在平均電流模式控制的有源功率因數(shù)校正技術(shù)的基礎(chǔ)上，設(shè)計了一種控制電路基于數(shù)字信號處理器( dsp ) 、主電路采用boost變換器拓撲結(jié)構(gòu)的全數(shù)字單相功率因數(shù)校正器，用數(shù)字電路代替?zhèn)鹘y(tǒng)的模擬電路來實現(xiàn)對整個回路的控制，最終使得校正器具有輸入功率因數(shù)接近于1 、低電流諧波以及高轉(zhuǎn)換效率的特性。 - 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
隨著電網(wǎng)諧波污染問題日益嚴重和人們對高性能電力傳動技術(shù)的需要， pwm整流技術(shù)引起人們越來越多的注意。三相pwm整流器可以做到輸入電流正弦、單位功率因數(shù)、直流電壓輸出穩(wěn)定，具有良好的動態(tài)性能并可實現(xiàn)能量的雙向流動。因此， pwm整流器成為當前電力電子領(lǐng)域研究的熱點課題之一。 - 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
本論文把積分復(fù)位控制成功應(yīng)用于三相功率因數(shù)校正技術(shù)中，作了以下幾方面的研究： 1 .從理論上證明了三相單開關(guān)boost型pfc即使工作在ccm ，其功率因數(shù)也不能達到1 ，在大功率和對功率因數(shù)校正能力要求較高的場合，三相單開關(guān)boost型pfc達不到要求， 2 .根據(jù)三相三開關(guān)boost型功率因數(shù)校正交流側(cè)的等效電路，推導(dǎo)出實現(xiàn)單位功率因數(shù)所需的控制方程，并用積分復(fù)位控制電路進行實現(xiàn)，在理論研究的基礎(chǔ)上進行了仿真研究。
- unity power factorとは意味：unity power factor 力率1[電情]
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