Chinese translation for "shift angle"
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- 位差角
Related Translations:
- Example Sentences:
| 1. | The calculation and measurement methods for voltage , turns and phase - shifting angle of winding with extended delta connection in 24 pulse traction rectifier transformer are introduced 摘要介绍了24脉波牵引整流变压器延边三角形联结的网侧绕组的电压,匝数及移相角的计算和测量方法。 | | 2. | Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode , a simple and optimized vvvf control strategy is proposed . this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter 西安理工大学博士学位论文针对这种前级移相全桥软开关周波变流型三相高频链逆变器结构和控制的复杂性,提出了一种实现简单而整体优化的vvvf控制策略:将空间电压矢量产生p姗的方法svm和等效载波频率fe = 1 / te引入到周波变流器的pdm控制;按高频电压脉冲前后沿软化等效p翎波;用移相调节高频脉冲宽度和等效p姗调压协调控制逆变器输出电压,在满足输出电压条件下使谐波最小。 | | 3. | 1 m 0 . 5 , the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage , and the resonant voltage is rectified , filtered , inverted and then the better sine - voltage output is obtained , theoretical analysis and experimental results show that for the resistive load and inductive load , the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs , and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ) , moreover , all switches in the low - frequency inverter are always turned on and off at zvs , the measured circuit efficiency for rated load reaches up to 88 % 从功率单向流动角度出发,提出了一种lcc谐振型恒频移相单相高频链逆变电路拓扑,在调制系数0 . 1 m 0 . 5情况下,控制移相角按正弦规律变化,使谐振电压脉冲列的幅值追踪参考正弦电压信号,经过整流、滤波、低频逆变,从而获得正弦度较好的输出电压。理论分析和实验结果证明对于阻性负载或阻感性负载,移相全桥具有超前桥臂零电压开通,滞后桥臂或者零电压开通( _ 0 )或者零电流关断( _ 0 )的软开关特性,而低频逆变器的各个开关均实现零电压条件下的开通与关断。 | | 4. | Chapter 4 : the influence of different phase - shifting angle of reference wave in recording , of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography . and an effective method of eliminating the phase - shifting error is presented , in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value . the feasibility of this method is demonstrated by computer simulation 通过数值分析不同相移角的选取对再现像的强度误差的影响,发现再现像强度误差依赖于记录时相移角的选取,当相移角在一定范围内,其再现像的强度误差相对较小;提出了一种有效消除相移误差的新方法,并将其应用于二步同轴相移数字全息,对此进行了计算机模拟,得到了很好的结果,证明该方法对于相移误差的消除是很有效的;对量化误差所作的数值模拟发现,当信号被量化成8比特( bit ) ,即256个灰度级以上,量化噪声的影响相对较小。 | | 5. | The harmonic standard of 18kv side ( sfc ) and sookv are deduced from principle of design of chinese harmonic standard . in chapter three six - pulse and twelve - pulse sfc and the relation of control angle and phase - shift angle of the converter are analyzed . harmonics model of pumped storage power station are established by saber simulation program 第二章通过分析国内外谐波限制标准,阐述了国家谐波限制指标的制定原则及推导;针对大型抽水蓄能电站及sfc装置的特殊性,对其谐波限制指标进行讨论,讨论推导出了sfc装置18kv侧和抽水蓄能电站网侧500kv的谐波限制指标。 | | 6. | Its principle is analyzed in this paper , and the relation of phase shifted angle , the amplitude of each harmonic content and the thd is also analyzed in detail . then the system is simulated in matlab . in the end , this paper analyses and designs the power and the control circuit by taking a 2kva inverter for an example 本文分析了工作原理,并对移相角与输出各次谐波的幅值, thd的关系做了详细的理论分析。同时运用matlab对系统进行了仿真,最后本文以一台2kva逆变器为例,分析设计了功率电路和控制电路。 |
- Similar Words:
- "shift anchorage" Chinese translation, "shift and group business accounting" Chinese translation, "shift and rotate" Chinese translation, "shift and rotate instructions" Chinese translation, "shift and round decimal" Chinese translation, "shift arms across body" Chinese translation, "shift as one can" Chinese translation, "shift assembly" Chinese translation, "shift axis" Chinese translation, "shift back and forth" Chinese translation
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