電樞線 的英文怎麼說
中文拼音 [diànshūxiàn]
電樞線
英文
armature wire-
Analysis of the force acting on the armature in induction coil gun
感應線圈炮的電樞受力分析Specification for tractive armature direct current neutral track and line relays for railway signalling
鐵路信號用牽引電樞直流中性線撥軌繼電器和線路繼電器規范Tangyin substation is an important substation which has two transformer of 120mva, eight 220kv lines and three 110kv lines. tangqian line is a 110kv line specially for traction transformer substation. because traction load is high - power nonlinear and asymmetry. it will produce much harmonic and negatvie sequence current, which have done harm to compensation capacitors of tangyin substation. in recent years, the tang6c capacitor often interrupted and in 2001 july the tang7c capacitor ' s discharge pt exploded
湯陰變電站是豫北一座樞紐變電站,有2臺120mva的主變, 8條220kv線路和3條110kv線路,其中的湯牽線是專為牽引變電站供電的110kv線路。由於電力機車屬于大功率的非線性負荷,且三相不對稱,在其運行過程中必然會產生較大的高次諧波和負序電流。With the development of power system, on one hand, the capacity of the power system is increasing very rapidly and the system current becomes larger and larger. on the other hand, with the optimization of the administration and allocation of the power energy, the traditional ct can ’ t meet the demand. our company ’ new product ( vsm ) is very urgent to develop a new type of ct to meet such requirement
現代電力系統的容量在不斷加大,系統電流值不斷增加;並且對電力系統的輸配電自動化要求也越來越高,需對電力系統的運行進行在線監測、實時控制、故障預測、保護、通訊等,傳統的電流互感器越來越難以滿足電力系統的發展,因此,在電力控制保護和監測中起樞紐作用的電流傳感器提出了小型化、高可靠性、智能化的要求。It makes finite element analysis for no - load motor, full - load motor and armature magnetic field singly acting motor, and it gets distributing map of magnetic field and static characteristics curve as different rotor angle and different armature current in a permanent magnet circle for the motor, it analyzes and explains influences of armature magnetic field on the inductance characteristics of windings
分別對電機空載、負載以及電樞磁場單獨作用3種情況下進行了有限元分析,得出在1個永磁磁鏈周期內不同轉子位置角和不同電樞電流作用下的磁場分布圖以及靜態參數特性曲線。The system takes both advantages, the former is fast and convenient characteristics of dasylab in building a control and measure system, and the latter is the powerful program function and abundant control button of labwindows / cvi. it can acquire, analysis and save the real - time data in the experiments of the lim and electromagnet meanwhile, it can control the start / stop of the lim. electromagnet and dc motor, as well as it can control the change of the voltage and frequency of the lim. the exciting windings voltage and rotor windings voltage of the dc motor
整個測控系統利用了dasylab組建採集分析系統的簡單快捷和labwindows cvi豐富的控制項與強大的編程功能,將兩者的優點有機的結合起來,可以完成直線電機及電磁鐵試驗中的數據採集、分析、存儲,並且可以控制試驗中直線電機、電磁鐵、直流電機的啟動與停止,對直線電機繞組電壓、直線電機繞組電壓頻率、直流電機勵磁繞組電壓、直流電機電樞繞組電壓、電磁鐵繞組電壓的大小進行控制。The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right
通過對同步發電機各種運行曲線的計算,在已有文獻的基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數的影響;求出了空載特性曲線和零功率負載特性曲線,在不同的電樞電流下計算得到的波梯電抗不同;求出了功角特性曲線,與不計飽和時的功角特性曲線相比較,功角穩定極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。Power tunnel alignment optimization design for zipingpu water conservancy project
紫坪鋪水利樞紐工程引水發電隧洞軸線優化設計In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal
在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。By replacing the copper rotor winding of a conventional motor with hts windings, higher magnetic fields will be produced with virtually no rotor losses and significantly reduced losses in the armature
用高溫超導線圈代替傳統電動機的銅轉子繞組之後,幾乎無轉子損耗並可以大大降低電樞的損耗,同時,電動機也產生了高能磁場。Calculation of armature resistance and inductance for linear generator used in magnetic levitation vehicle
磁懸浮列車中直線發電機電樞繞組電阻和電感的計算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。By increasing the resistance, the characteristic will cut zero - speed axis to give a lower, though adequate starting torque and a reasonable starting current
並勵電動機(機械特性)方程表明:若磁通和電壓恆定,則向下傾斜的轉矩/速度曲線的斜率是直接與電樞電阻成正比的。The brushed are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排:當電樞繞組(或者線圈)的邊通過勵磁磁極區域中部時,流經其的電流就會改變方向。The brushes are so placed that when the sides of an armature turn ( or coil ) pass through the middle of the region between field poles, the current though it changes direction
電刷是這樣安排:當電樞繞組(或者線圈)的邊通過勵磁磁極區域中部時,流經其的電流就會改變方向。Referring first to the equation of the shunt motor shows that the downwards slop of the speed / torque curve is directly proportional to the armature resistance with constant flux and voltage
並勵電動機(機械特性)方程表明:若磁通和電壓恆定,則向下傾斜的轉矩/速度曲線的斜率是直接與電樞電阻成正比的。Specification for tractive armature direct current neutral - polar line relays for railway signalling
鐵路信號用牽引電樞直流中性極化線路繼電器規范While small generators frequently have revolving armatures , large machines usually have stationary armatures and revolving fields
通常小型發電機採用旋轉的電樞,而大型發電機則採用固定的電樞和旋轉的激磁線組。Lastly the nonlinearity of armature reaction of the dc motor is considered, a variable structure controller is designed based on the feedback linearization method, moreover, a robust controller is designed which can restrain the uncertainty bought by the load disturbance and the nonlinearity of armature reaction simultaneously
最後,針對直流電機速度控制系統存在電樞反應非線性,設計了基於反饋線性化的變結構魯棒控制器和一種能同時滿足抑制負載擾動和電樞反應非線性引起的不確定的魯棒控制器。Resistance of the stator is obtained by solving a 1 - d magnetic field diffusion problem. based on the code, curves of fcg ' s inductance, resistance, temperature and its output current, voltage are calculated. secondly, the expanding process for an armature of a helical fcg is studied in depth by a nonlinear, explicit finite - element ( fe ) code
數值計算電感時考慮了螺旋型fcg的三維效應,以及電樞表面鏡像電流的分佈,並通過求解圓柱型導線的一維磁場擴散問題比較精確地得到了fcg定子的電阻,在此基礎上計算了fcg裝置的電感、電阻、輸出電流、電壓和溫度等隨時間的變化。分享友人