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- The ac power produced by APU generator is of constant frequency. APU發(fā)電機產(chǎn)生的交流電源是恒頻的。
- Based on the basic equation of A.C. exciting alterna tor,the vector chart and power flow chart of the alternator are studied,and a me thod of variable-speed and constant frequency (VSCF) is proposed. 從交流勵磁發(fā)電機的基本方程出發(fā),通過(guò)對其矢量圖和功率流程的研究,提出了變速恒頻的實(shí)現方法。
- Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency. 假定兩個(gè)揚聲器都發(fā)射恒定頻率的純正弦聲波。
- This paper focuses on voltage regulation strategies of 400Hz CVCF(Constant Voltage Constant Frequency) inverter. 本文研究了400Hz恒壓恒頻(CVCF)中頻電源逆變器波形控制策略。
- For this reason, it has the absolute advantage to adopt the technique of variable speed constant frequency (VSCF). 為了提高風(fēng)能的利用率,變速恒頻(VSCF)風(fēng)力發(fā)電技術(shù)有其絕對的優(yōu)越性。
- The VSCF (Variable Speed Constant Frequency) wind power generation is a new technology. 風(fēng)速仿真是風(fēng)力發(fā)電研究的重要手段之一。
- The APU engine drive the generator in lower speed to produce ac power at constant frequency. APU發(fā)動(dòng)機以低速驅動(dòng)發(fā)電機,從而產(chǎn)生恒頻的交流電。
- Otherwise, the timer will use another constant frequency clock like the chipset, BIOS or the power management timer. 否則的話(huà),計時(shí)器就將使用其它頻率一致的時(shí)鐘,如芯片組、基本輸入與輸出系統(BIOS)或電源管理計時(shí)器。
- The decoupled control of active power and reactive power is a key technology of variable speed constant frequency (VSCF) wind energy generation system. 雙饋發(fā)電機的有功和無(wú)功功率的解耦控制是變速恒頻(VSCF)風(fēng)力發(fā)電系統的關(guān)鍵技術(shù)。
- A control strategy for piezoelectric transformer backlight inverter based on a constant frequency control and phase control is presented. 以定頻控制和相位控制為基礎的控制方式被用來(lái)控制壓電式背光換流器系統在本文中被提及。
- All kinds of circuit topology and power modulation technology for variable speed constant frequency(VSCF)wind power generator system are introduced. 簡(jiǎn)單介紹了變速恒頻風(fēng)力發(fā)電系統中出現的一些常用拓撲結構及功率調節技術(shù)。
- PSM (Pulse Skip Modulation) is a novel modulation. This kind of modulation mode operates in constant width and constant frequency mode (CWCF) which differs from the fore both. 脈沖跨周調制模式(PSM, Pulse Skip Modulation)是一種全新的調制模式,異于PWM和PFM,是一種恒寬恒頻(CWCF)的調制模式。
- This high frequency alternating current produces the high frequency radio waves mentioned in the previous chapter. 這種高頻交流電流產(chǎn)生前一章提到過(guò)的高頻無(wú)線(xiàn)電波。
- Y. Hatanaka, “Zero-Current-Switching High Frequency Inverter With Constant Frequency Power Control,” Power Conversion Conference, Yokohama, No. 19-21, Apr. 1993, pp. 265-270. 黃少崴,“新型零電流切換脈波寬度調變蓄電池充電器”,昆山科技大學(xué)電機工程系碩士論文,2005年。
- Huliehel, F. A., F. C. Lee and B. H. Cho, “Small-Signal Modeling of Single-Phase Boost High Power Factor Converter with Constant Frequency Control,” IEEE PESC, pp.475-482, 1992. 方嘉隆,“高效能主動(dòng)式功因修正器電路研制”,國立中山大學(xué)電機工程學(xué)系碩士論文,民國九十五年。
- The audio frequency alternately service system(VOD), and indoors viewability bill inquiry service. 視音頻交互服務(wù)系統(VOD),提供客房?jì)瓤梢曅詭尾樵?xún)服務(wù);
- His wife was a constant inspiration to him. 他的妻子經(jīng)常鼓勵他。
- To drive the two-phase hybrid stepping motor, we adopt constant frequency pulse and subdivides drive circuit with M535, which with low speed vibration and precision orientation. 采用M535驅動(dòng)器作為步進(jìn)電機的驅動(dòng)控制器,采用具有低速振動(dòng)和定位精度高的恒頻脈寬細分驅動(dòng)電路;
- Abstract: Wind power generation system should adopt the variable speed constant frequency (VSCF) control strategy in order to maximize the use of wind energy. 中文摘要: 為了最大限度地利用風(fēng)能,風(fēng)力發(fā)電系統應采用變速恒頻控制策略。
- Y-doped zinc oxide(ZYO)thin films were prepared by middle frequency alternative magnetron sputtering on glass substrates with ZYO ceramic targets. 利用中頻磁控濺射法,濺射氧化鋅釔(ZYO)陶瓷靶材,在玻璃基底上制備ZYO透明導電薄膜。