飽和電阻 的英文怎麼說
中文拼音 [bǎohédiànzǔ]
飽和電阻
英文
saturation resistance- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 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...
- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
- 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
-
Electrical resistivity is used widely as a measure of brine saturation in rocks.
電阻率被廣泛地用於測量巖石中的礦化水飽和度。Using the rock resistivity meter with simulating in - situ conditions, the relations between rock resistivity and temperature were observed from 6 sandstone samples with different porosity and permeability, while samples were brine water - saturated and subjected to certain confining pressure. it is found that the resistivities of water - saturated rock samples decrease in the form of power expression with the temperature increase. although the resistivity of brine water decreases with temperature in the same rule, it can not entirely account for the decreasing of rock resistivity. the cementation factor
利用模擬地層條件巖芯電阻率測量儀,對6塊孔隙度滲透率各不相同的砂巖巖芯,在一定圍壓條件下,巖芯完全飽和鹽水時,考察了巖芯電阻率隨溫度的變化。發現飽和鹽水巖芯的電阻率隨溫度升高,以冪函數形式下降。雖然巖芯中飽和鹽水的電阻率同樣隨溫度以冪函數形式下降,但巖芯電阻率的下降不能完全用巖芯飽和鹽水的下降表徵。The low resistivity oil layers include those layers with high salinity formation water, high water saturation and low oil saturation, or riched in argilliferous sandstone low resistivity oil layers
摘要低電阻率油層包括含有高礦化度地層水的油層、高含水飽和度和低含油飽和度的油層或富含泥質的砂巖低電阻油層等。Testing on logs in laminated shaly sands it demonstrates that the model can be applied in laminated shaly sands. testing on effects of rdc. and vdc representing clay resistivity and fraction or dry clay resistivity and fraction on water saturation calculated by the model it proves that it is very reasonable for rdc to be clay resistivity and vdc to be dry clay fraction, so the mode l derived from the paper can be used to evaluate shaly sands
通過一組層狀泥質砂巖測井資料解釋,表明該模型適用於層狀泥質砂巖地層解釋;通過考察rdc 、 vdc代表粘土或干粘土電阻率及含量對該模型計算含水飽和度的影響,說明rdc代表粘土電阻率,而vdc代表干粘土含量是合適的,因此,使用文中給出的電阻率模型能更好地解決泥質砂巖問題。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。Electromagnetic field analysis of magnetic saturation characteristics of bearingless switched reluctance motor
無軸承開關磁阻電機磁飽和特性的電磁場分析This paper gives the fundamental equation of electric circuit of switched reluctance generator ( srg ). the phase flux linkage, indutance and phase current of srg are discussed based on unsaturated magnetic circuit
給出了開關磁阻無刷發電機的相電路基本方程,分析了基於不飽和磁路條件的相磁鏈、相電感和相電流。The conductivites of a super - saturated caco3 solution with and without the addition of a scale inhibitor were measured
這種方法基於溶液電導率測定原理,是通過在加入阻垢劑和不加阻垢劑的特定水環境下測定各種成垢化合物的過飽和度來實現。Considering the above control strategies which make the controller can not be real - time processing because its workload has increased, control circuits of the main switches based on eprom are designed, which can implement control scheme of firing angles and phase voltage. furthermore, it avoids power converter saturation in the process of commutation
上述控制策略的引入造成控制器運算量增大、難以在線實時控制,又設計了基於eprom的主開關器件通斷控制電路,實現了開關磁阻電動機開通關斷角控制及對施加於相繞組上電壓的優化控制,同時避免了換相時可能引起的功率變換器飽和現象。5 ) optical rectification in a set of doped zn0. 95cd0. 05te < 110 > crystals show an increasing efficiency of thz beam generation with the increasing crystal resistivity, but the efficiency saturates and descended when the doped crystal resistivity goes beyond 106 o - m
Teq10單晶,當晶體的電阻率較大時…入0 『 q , cmx晶體產生的thz輻射信號逐漸增大。當晶體的電阻率p 106qcm時,晶體產生thz輻射的效率達到飽和甚至可能下降。The experiments show that the main origins of causing the oil and water zones complicated in the study area on the one hand is pore structure, fine particle size and shale content high, resulting in saturation of irreducible water of the reservoirs varying greatly, on the other hand is mud invasion influence, resulting in the reservoir receptivity decreasing, and the third is the thin bed is restricted by logging resolution, resulting in measure value influenced by the bed thickness
研究得出,研究區復雜油水層主要成因一是儲層孔隙結構復雜,巖性細,泥質含量高,導致儲層束縛水飽和度變化大;二是泥漿侵入影響,導致油層電阻率降低;三是薄層受測井分辨能力的限制,其測量值受層厚影響。Based on experimental research on electrical property of waterflooded rock we have found that variation of salinity has much effect on rock resistivity, and it makes that relation curves of complex resistivity and in - phase resistivity of rock under single frequency with water saturation are characteristic of u - style curve, just like relation curves of waterflooded rock resisitivity with water saturation, but salinity variation has little effect on rock dispersion property
摘要通過水淹巖石巖電特性的實驗研究發現,地層水礦化度的變化,對巖石電阻率幅值的影響較大,致使單一頻率下的巖石復電阻率幅值和同相電阻率也會象常規電阻率一樣,隨著含水飽和度的變化,出現" u "形曲線,而相對而言,地層水礦化度對巖石頻散特性的影響較小。The observer makes use of motor parameters to estimate speed, but these parameters ( stator and rotor resistance, magnetizing inductance ) will vary because of the change of environmental temperature, iron loss and main flux saturation. so parameter variation will lead to the error of estimation, the purpose of this paper is to study the influence and the compensation of parameter variation
因為觀測器在估計轉速時利用的是電機的額定參數,而電機的參數(定子電阻、轉子電阻、勵磁電感)由於環境溫度的變化、鐵心損耗和主磁飽和的影響將發生變化,所以必然有估計誤差產生。By analyzing parameters of the model, we find out that shale distribution largely affects water saturation calculated by the model, the less the resistivities of sand grains or clay grains, the more largely the resistivities of grains affect the relation between ct and swt, the effect of m on the relation between ct and swt is increased with swt
通過對該模型的影響因素分析,發現泥質分佈形式對模型計算的含水飽和度有很大影響;砂巖顆粒或粘土顆粒的電阻率越小,顆粒電阻率對c _ t與sw關系影響越大; m ( m = n )對c _ t與s _ ( wt )關系曲線的影響隨s _ ( wt )的增大而增大。The no - loading emf of prototype and the no - loading emf of conventional generator are contrasted and analyzed, in the condition of considering the influence of damping winding and core saturation
並在考慮鐵心飽和、考慮阻尼繞組影響情況下,將傳統發電機的空載電勢與電力發生器樣機的空載電勢進行了比較、分析。By adopting resistance divider, voltage sensor designed in this topic has no ferromagnetic resonance, overcome saturation, has no load sharing, and is permitted to short and cutoff in circuit, so it has high reliability
本課題所研究的電壓傳感器採用電阻分壓器原理,不存在鐵磁諧振,克服了鐵心飽和,不再有負荷分擔,短路和開路都是允許的,具有高的可靠性。Considering the influence of damping winding and if core is saturated or not, the no - loading emf waveform of a conventional generator having the same size with the prototype ( except the stator slot ) is analyzed, and the waveform deviation factor is taken out
對一臺具有與電力發生器樣機相同尺寸(除定子槽形)傳統發電機的空載電勢波形進行了分析。分析了不考慮鐵心飽和、考慮阻尼繞組影響和考慮鐵心飽和、考慮阻尼繞組影響兩種情況下,它的空載感應電勢,求取了空載電勢波形畸變率。According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too
由求得的樣機空載電勢波形畸變率可知,該樣機滿足國家設計標準和工程實用要求,更重要的是,實現了產生高壓的目的;考慮鐵心飽和、考慮阻尼繞組影響情況時,電力發生器與具有相同尺寸(除定子槽形)的傳統發電機相比,空載齒諧波電勢對電力發生器的影響較小,前者的空載波形畸變率較小。The relationship between rock resistivity and water saturation in water - drive - oil and oil - drive - water process
不同驅替方式下巖石電阻率與飽和度的關系Through the comparison between test and commission of low water - cut oil layers and the analysis of electric property and logging display characteristics, this paper brings forward the methods for identifying oil layer, low water - cut oil layers and oil and water layers, namely, through the comparison between natural potential and natural gamma as well as the varieties of oil saturation, electric resistivity, curve shape of hydrocarbon, volumetric coefficient and geochemical bright spot index to identify the layers
通過對低含水油層的試油與投產對比,對電性、錄井顯示特點的分析,提出了用測井自然電位與自然伽馬對比、含油飽和度、電阻度、氣測全烴曲線形態、灌滿系數、地化亮點指數的變化等識別油層、低含水油層、油水同層的方法。分享友人