脈動電流 的英文怎麼說
中文拼音 [màidòngdiànliú]
脈動電流
英文
current ripple- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
-
The pulsations in the rectified current can be reduced by using a capacitor.
經過整流的電流的脈動,能夠利用一個電容器使其減小。The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance
運行結果表明,此方案能有效地抑制無刷直流電動機低速時的轉矩脈動,更好地改善系統的動態性能。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits
3000小時,低電壓高電容量法拉級cdf ,廣泛用於精密汽車聲頻系統、工業機器人,電信設備的直流電或脈動電路中。Abstract : a quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given
文摘:對于聚變反應堆中超導載流磁體在穩態電流基礎上受到脈沖電流影響時的動力穩定性給出了定量分析方法。After that, we give the regions of the dynamic instability on the parameters of stationaray current, magnitude of pulse current, and duration of the pulse
在此基礎上,給出了關于穩態工作電流、脈沖電流強度和脈沖持續時間等參數的磁彈性動力穩定性參數范圍。The 7 years ' applicable practices indicate that the frequency modulation technology with dc bus voltage ripples is very effective to suppress acoustic resonances
7年的使用實踐表明,直流脈動電壓頻率調制技術對抑制聲諧振現象十分有效。With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances
針對這一現象,在分析產生聲諧振的必要條件的基礎上,重點提出了利用前級有源功率因數校正電路的直流母線脈動電壓的調制方案。Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor
摘要根據4極直流電動機的轉速與脈動電流頻率關系的實驗結果,對現有的無傳感器直流電動機測速公式提出了修正意見。A common example is shown in figure 11. 34 where the resonant circuit formed by an inductive power line and its decoupling capacitor may be excited by pulse currents drawn by the ic
圖11 . 34所示的例子中,電源線的電感與去耦電容形成了諧振電路,晶元工作時產生的脈動電流,可能會激勵該電路(產生振蕩) 。The new modified formula not only meets with our experiment result, but also can explain the examples of relationship between the speed and the current ripple frequency of dc motors in the literature
新的修正公式不僅能夠解釋文中的實驗結果,也能滿足以往文獻提出的直流電動機轉速與脈動電流頻率之間的關系。The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。Gca silicon commutate battery charger are the ideal portable tools for charging, they are composed with the conditions of voltage dropping through rectifier transformer, then the bridge rectifying of rectification circuit. the output full - wave pulstin current charge the storage battery. the voltage changing composed with multiband switch. the outputcurrent can be adjusted. this kind of product used any moment onctarging anyplace
Gca系列整流充電機是由整流變壓器的降壓,再經過流電路的橋式整流,輸出全波脈動直流對電瓶進行充電,電壓調速同多頭波段開關組,輸出流可以調節,該產品用任何需要補充充電的場所。Rules for capacitors ; part 11 : rules for capacitors of more than 600 v for the equalizing of pulsating direct voltages
電容器的規范.第11部分:大於600 v的脈動直流電壓均Based on the dc diffusion model, we build a duplex diffusion layer model which is composed of inner pulse diffusion layer and outer stable diffusion layer. in inner pulse diffusion layer, the concentration of ions fluctuates with frequency of pulse current ; in outer stable diffusion layer, the transport speed of ions is almost stable all the time, the main purpose is to transport the ions from the mass to the pulse diffusion layer
在直流電沉積的擴散理論基礎上,建立了脈沖電沉積的雙擴散層模型,靠近電極為脈沖擴散層,擴散層內金屬離子的濃度隨脈沖電流的頻率而波動;脈沖擴散層外麵包圍著一層穩態擴散層,其中離子的擴散速度在整個過程中基本是穩定的,作用是將主體溶液中的離子不斷向脈沖擴散層中補充。Uses : extensively apply to dc and pulse circuits of broadcasting and tv sets, all kinds of instruments, and communication equipments
用途:廣泛用於廣播電視產品,各種儀器和通訊設備的直流及脈動電路中。Suitable for dc or pulsed circuit in various economical lamps and electronic instruments requiring a high frequency characteristic, high power and high voltage withstand
適用於頻率特性高、功率大、耐高壓的節能燈電路和各類電子儀器的直流或脈動電器中。The satss is an antenna pointing servo system with ultra - low speed and high accuracy, driven by a rare earth permanent magnet ( repm ) brushless dc torque motor. to reduce torque ripple, the repm brushless dc torque motor has a slotless armature, and uses sinusoidal wave driven technology
衛星天線跟蹤伺服系統為超低速高精度天線指向控制系統,該系統使用稀土永磁式無刷直流力矩電機作為天線的驅動機構,為降低轉矩脈動,電機採用無槽電樞結構設計,並使用正弦波驅動方式。When the stationary working current is lower than the critical current of the electromagnetic - elastic system, a numerical program is established to simulate the dynamic responses of the deformation of the current - carrying magnet subjected to a pulse current with rectangular shape
結合其超導載流磁體的實驗結構,給出了超導磁體在不同穩態工作電流(即低於穩態的磁彈性失穩臨界電流)作用下受到矩形脈沖電流作用時的磁彈性動力響應的數值模擬結果。After analyzing the valuable components of the waste printed circuit boards, a development on research of recycling the valuable components of electronic waste using pulsing air classifiers was made
通過對廢棄電路板破碎解離及解離後有價成分的分析,採用脈動氣流分選裝置對電子廢棄物中有價成分的回收進行了研究,並取得了初步進展。分享友人