電抗的 的英文怎麼說
中文拼音 [diànkàngde]
電抗的
英文
reactive-
Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。The six domestic standards for furnace transformer industry are all drawn up taking our company as main, as arc furnace transformers jb t9640 - 1999, sub arc furnace transformers - general jb t5344. 1 - 2004, specification and technical requirement for calcium carbide furnace transformers jb t6303 - 2004, specification and technical requirements for yellow phosphorus furnace transformers jb t8506 - 2005, electroslay remelting furnace transformers jb t8447 - 2005, ladle refining furnace transformers jb t10429 - 2004, etc. the rectifier transformers for chemical engineering and metal - lurgy enterprises also received high value from users and have been exported to vietnam. nowadays, our company is cooperating with italian danieli company on technology and business, that is, our products will be sold to ukraine and burma through anthodium of danieli, and relevant technology cooperation is being negotiated now
公司主要產品分為電力變壓器電爐變壓器整流變壓器電抗器四大類,具備年產各種變壓器6000mva的生產能力。其中發電機變壓器單臺最大規模為240mva 220kv ,變電所變壓器為180mva 220kv ,電爐變壓器120mva 110kv ,整流變壓器為100mv 220kv ,電抗器為3000kvar 220kv 。新s9系列配電變壓器和220kv級電力變壓器均通過了國家電力公司和國家機械工業局的聯合鑒定。Application of nano powder in conductive antistatic materials
納米粉體在導電抗靜電材料中的應用It starts later for developing air - core power reactor by ourselves in china, but also it is not high for automaticity of design and manufacture
我國自主研發空心電力電抗器起步較晚,設計與製造的自動化程度不高。In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量,導出了超高壓長線的波阻抗和傳播常數的數學解析式,在此基礎上進行了500kv輸電線路實時參數計算;提出以三繞組自耦變壓器的電流、電壓、功率為輸入量,導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算;在此基礎上編制了相應的軟體。The insulating materials cause the capacitance and therefore the reactance of the line becomes very large.
絕緣材料也產生電容,所以線路的電抗變得很大。Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station
而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析,提出了「虛擬分支」的概念和相應的網路基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。Power transformer and reactor fittings - part 2 : gas and oil actuated relay for liquid immersed transformers and reactors with conservator
功率變壓器和電抗器配件.第2部分:帶存油箱的液浸式變壓器和電抗器用氣動和油動繼電器Power transformer and reactor fittings - part 2 : gas and oil actuated relay for liquid immersed transformers and reactors with conservator ; german version en 50216 - 2 : 2002
電力變壓器和電抗器配件.第2部分:帶油枕的液體浸沒式These are communication between distance sensors and plc, the realization of pid control in plc and the data - input of bcd dial plate. applying the plc in the spotting hydraulic presses, which enhances the reliability and anti - interference greatly, buildups the position control accuracy, promotes the spotting quality, realizes the combination of machine, hydraulic and electronics
將plc應用於研配液壓機系統的控制,極大的提高了系統的可靠性和抗干擾能力,同時也增強了位控精度,很好的提升了研配質量,實現了機電液的有機結合。Welding consumables - determination of moisture resistance of manual metal arc welding electrodes by measurement of diffusible hydrogen iso 14372 : 2000 ; german version en iso 14372 : 2002
焊料.通過測量可擴散氫測定手工金屬電弧焊電極的抗濕In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through
研究不同環醚對鋰電極的預處理作用發現, 1 , 4 -二氧六環( doa )和1 , 3 -二氧五環( dol )對金屬鋰電極的表面預處理均可以在金屬鋰表面形成一層良好的sei鈍化膜,對鋰金屬電極起到了保護性作用,使鋰電極具有較小的界面阻抗,有效地提高了金屬鋰電極的充放電循環效率,改善了鋰金屬電極在循環過程中的表面形貌;而doa和dol對金屬鋰電極的表面預處理,不會明顯的影響鋰電極的動力學性能。The study on single - pole adaptive reclosure of ehv transmission lines with the shunt reactor
帶並聯電抗器的超高壓輸電線單相自適應重合閘的研究Electrocardiogram influenced by antipsychotics
抗精神病藥對心電圖的影響Study on comncuo - based ntc thermistor by complex impedance
熱敏電阻的復阻抗分析Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation
研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法;採用單片機實現了該種電機的運行控制,提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。Moreover, we mensurate the reactances of the experimental motor by the way of direct joad method, and verify the vaiidity of " electromotive force method "
文章還運用直接負載法測定出樣機在不同負載下的電抗參數,驗證了「電勢法」的正確性。The johnson noise of complex impedances consists only of the johnson noise of the resistive part of the impedance, so pure capacitance or inductance does not have johnson noise, even though it has an impedance
復阻抗的熱噪聲僅僅是電阻部分的熱噪聲,因此理想的電容器或電感器雖然有阻抗,但並沒有熱噪聲。Requirements, terminology, and test code for shunt reactors rated over 500 kva
額定值大於500kva並聯電抗器的技術要求術語和試驗規程In this paper, we at fist analyse the distribution of magnetic field in the permanent magnet synchronous motor which rate power is 800w and calculate parameters of this motor on the basis of the traditional approach to ca1culating armature reactance, we put forward a new method which is based on the iteration of the electromotive force equation, and name it after " electromotive oprce method "
本論文運用有限元方法分析一臺800w稀土永磁同步電動機內部電磁場的分佈情況,計算出相應的電機參數。並在傳統的計算電樞反應電抗的基礎上提出了一種基於電勢平衡方程式的計算方法,本論文稱之為「電勢法」 。分享友人