靜電變換器 的英文怎麼說
中文拼音 [jìngdiànbiànhuànqì]
靜電變換器
英文
electrostatic transducer- 靜 : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 靜電 : [物理學] static electricity; franklinism; franklinic electricity
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Circuit simulation demonstrated that the dynamic and static performances of buck converter controlling by sliding mode are better than that of pwm converter
電路模擬表明,滑動模控制的buck變換器的許多動態性能和靜態性能都優于pwm控制的buck變換器。High frequency high voltage power converter for electrostatic precipitator
靜電除塵用高頻高壓功率變換器There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。Aiming at latent damage induced by esd, 1 / f noise spectrum and a new method similarity coefficient based on the matched maxima of wavelet transform modulus are offered at the same time
針對靜電在mos器件中引入的潛在損傷,在使用1 / f噪聲功率譜監測的同時並提出了一種新的由1 / f信號提取得到的基於子波變換極大模的相似系數表徵法。This paper introduces a new design of rotating converter which gets an application in the brushless excitation of synchronous generator. and this research will break through the traditional concept of static converter
介紹一種新型的旋轉變換器,該變換器是利用旋轉式感應電能傳輸技術,把電能從靜止部位不經過物理連接,傳輸到旋轉部位。There are two kinds of secondary power supply in high - voltage dc electric system, one is dc / dc converter that converts 270vdc to 28vdc, the other is static converter that converts 270vdc to 115vac / 400hz
它的二次電源有兩種,一種是把270vdc變換為28vdc的直流變換器,另一種是把270vdc變換為115v 400hz交流電的靜止變流器。Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance
航空靜止變流器( asi ? aeronauticalstaticinverter )是航空電源系統的二次電源,其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ,單相36v 400hz ,三相115v 200v ,或三相36v交流電,供飛機上負載使用。The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load
試驗結果表明,該變流器具有體積重量小、變換效率高、靜態精度高、動態響應快、輸入電壓變化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。This paper presents a novel single phase aeronautical static inverter. a novel combining two - transistor forward converter is presented and applied in the front of three - level hysteresis current controlled inverter, and a single - phase 6kva aeronautical static inverter is developed
本文介紹了一種新型的單相航空靜止變流器,電路通過一新穎雙管正激組合式變換器作為三態滯環控制電流型逆變器的直流輸入前級,成功研製出6kva單相航空靜止變流器。In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter
為實現三相四線的交流輸出,變換器電路採取四橋臂新型拓撲,其控制採取了三維空間矢量調制,實現了變換器的在線調壓及輸出中點的形成,具有良好的動靜態性能,且這種控制思想可以方便地在現有數字變換器平臺上實現。The 500va experimental prototype of aero static inverter has the advantages of flat volt - ampere characteristic, small thd of output sinusoid voltage, high efficiency, small size, light weight and low cost
500va輸出的航空靜止變流器樣機試驗結果表明,逆變電路輸出外特性平直,正弦電壓失真度小,變換效率高,體積小,成本低。Besides, the converters have unmodeled dynamics. so the traditional controller for hvdc based on the classical control theory can not meet the requirements in practice. although, pi controllers are widely used in the hvdc systems, they have high sensitive responses to random disturbances, low robust performance, and can not solve some problems in power systems, such as unmodeled dynamics, nonlinear uncertainties
直流輸電線路中的換流器具有很強的非線性,系統的運行工況隨時都會發生改變,系統擾動發生的地點、類型及嚴重程度具有隨機性;此外,換流器還含有未建模動態部分,這些因素使得基於直流輸電系統準靜態模型的常規控制器設計方法常常不能很好地滿足系統的實際要求。Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load
在分析與比較峰值電流模式與平均值電流模式控制策略的基礎上,給出平均值電流模式pi調節器的設計方法,利用matlab軟體對變換器進行了數字模擬,證實了變換器在額定功率范圍內動、靜態特性良好;過載情況下變換器具有自動限流、保護主功率器件的特性。Firstly, three - phase static inverter under the space vector pulse width modulation ( svpwm ) is analyzed. then instantaneous control for three - phase static inverter is implemented in the synchronization frame through dq transform to get the information about amplitude and phase of output voltage
本文在對空間矢量脈寬調制( svpwm )方式下三相靜止變流器分析的基礎上,通過dq坐標變換提取輸出電壓幅值與相位的信息,實現在同步坐標下對三相靜止變流器的瞬時值控制。Change of temperature will affect the data acquisition precision of a / d conversion circuit. in this paper, the principle of adc and the effect of the factors of a / d conversion circuit are analyzed, and the relation model of a / d conversion circuit temperature and accelerometer output is established. after compensating the temperature error by using the temperature model, the data acquisition precision of the accelerometer has been improved observably. thirdly, in the temperature control turntable, we perform the static temperature experiment of orthogonal accelerometers
文中分析了a / d轉換器的工作原理,以及影響a / d轉換電路輸出精度的各種因素,並通過多項式擬合的方法找到了加速度計靜態輸出隨a / d轉換電路溫度變化的規律。利用該規律對a / d轉換電路的溫漂進行補償,補償后加速度計的輸出滿足了測量精度的要求。Chapter five introduces simply the static switch and its control circuit. static switch is the bridge between electric power supply and accumulator supply
第五章簡要介紹了靜態開關及其控制電路,靜態開關是ups市電供電和逆變器供電之間相互轉換的橋梁。A new type 270v input / single phase 115v output aviation static inverter ( asi ) is researched in this paper. adapting a modularized scheme, the asi is constructed by four isolated dc - dc converters and a cascade inverter
本文研究270v輸入/單相115v輸出航空靜止變流器,採用一種模板化的方案,靜止變流器由多路隔離直流電源和級聯逆變器構成,本文重點研究其中的直流變換環節。Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi
設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高頻環節逆變器原理試驗表明,這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換( lfac / hfac / lfac ) 、功率密度高、雙向功率流、音頻噪音低、變換效率高、網側功率因數高等優點,為新一代高功率密度、高變換效率、低成本航空靜止變流器奠定了關鍵技術基礎。分享友人