電阻性損耗 的英文怎麼說
中文拼音 [diànzǔxìngsǔnhào]
電阻性損耗
英文
resistive loss- 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
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 耗 : Ⅰ動1 (減損; 消耗) consume; cost 2 [方言] (拖延) waste time; dawdle Ⅱ名詞1 (壞的音信或消息) ...
- 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...
- 損耗 : 1. (損失消耗) loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
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Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability
本公司根據目前市場需求,生產出各種型號的黑、白陶瓷產品,廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面,系列產品有高頻損耗少,比體積電阻大,介電常數小,強度高,氣密性、熱穩定性、化學穩定性好等特點。Abstract : in this paper, the influence of the intrinsic material losses on the resonance and parameters measurement of lossy piezoelectric resonators, based on the impedance ( or admittance ) equation, is analyzed
文摘:本文從考慮損耗時壓電振子的阻抗(或導納)方程出發,詳細分析了材料固有損耗對壓電振子的頻率特性及參數測量的影響。In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature
在給定微孔洞的初始擾動時,計算結果解釋了鋁電樞表面將要形成的不穩定性,它導致了電樞外表面出現周期性的軸向裂紋,阻礙了鏡像電流,使fcg損耗增加。A new terahertz source of folded waveguide traveling - wave - tube which based on vacuum electronics is introduced, which may answer the question for scarcity of small, economical terahertz source with continuous wave of high average power. secondly, transmission characteristics of terahertz wave in the periodic slow wave circuit of folded waveguide traveling - wave - tube have been researched combined with development of micro - fabrication technology. dispersion relation and interaction impedance of the slow wave circuit are deduced by the way of equivalent circuit, and results accounted by theory are close to those simulated by software
其次,結合計算機模擬技術對這種新型太赫茲輻射源的折疊波導慢波線路傳輸特性進行研究:用等效電路法從理論上推導了慢波電路場、色散關系及線路耦合阻抗,電磁模擬軟體計算得出的慢波電路色散曲線與理論計算所得結果基本上一致,表明這種尺寸的慢波電路在太赫茲頻段有著色散曲線較平坦以及寬帶、低損耗的良好傳輸特性。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。But because the slipping increasing of this kind of motor is realized by increasing the rotor resistor, it raises the motor ' s slipping loss and cuts down the motor ' s efficiency. the softer the feature of motor is, the lower motor ' s efficiency is
但是由於該種電動機的轉差率增大是通過增加轉子電阻來實現的,這就增大了電機的滑差損耗,降低了電機的效率,電機特性愈軟,效率愈低。The thesis mainly investigated the bati _ 4o _ 9 ( bt _ 4 ), which has the lowest dielectric loss in ba - ti system, and ( ba, sr ) tio _ 3, the a position substitute compound of batio _ 3. the dielectric properties of bt _ 4 / bst with different preparation way and different elements doping were investigated. a archimedes method, xrd, sem, impedance analyzer, network analyzer and hakki - coleman method were used to investigate the density, phase formation, microstructure, dielectric properties and doping mechanisms
本論文以在ba - ti系中具有最低介電損耗的bati _ 4o _ 9 ( bt _ 4 )高頻介質陶瓷和batio _ 3a位sr取代而得的( ba , sr ) tio _ 3 ( bst )高頻介質陶瓷作為研究對象,對不同粉體制備方法制備的bt _ 4 / bst高頻電介質材料進行不同元素的摻雜,運用阿基米德方法, x射線衍射分析儀,掃描電子顯微鏡和阻抗分析儀,網路分析儀, hakki - coleman法等方法手段和測試儀器測試燒成樣品的密度,相組成情況,微觀結構和介電性能,探討造成介電性能起伏的形成機理。The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量,是判斷絕緣油的劣化與污染程度的有效預防性試驗,是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而,目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷,針對這一現狀,本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。Different distribution of power loss can be worked out by mathcad software based on the formula reasoning. the result of calculation is consistent with that of the experiment, which proves that this method is right. it is pointed out through the analysis of calculating data that the key to improve efficiency at the same output power is to decrease the peak current and rms current of power switches or the on - resistance of mosfet and windings
由推導可得損耗計算公式,利用數學計算軟體計算出電路輸出從空載到410w阻性負載時損耗分佈變化,該結果與實驗數據基本相吻合,證實了這種方法的正確性;通過對計算數據的分析,指出了進一步提高效率的關鍵在於輸出相同功率時降低功率管的電流峰值和有效值,減小繞組和mosfet的導通電阻。In order to improve the circuit performance and reliability, the considerations of increasing influence of parasitic effects resulted from interconnect crosstalk and delay as well as the electromigration and power consumption drive the introduction of copper and low - k dielectric
為了提高電路性能及可靠性,並對連串擾及延遲引起的互連寄生效應影響的增長,電遷徙和功率損耗等方面進行綜合考慮,刺激了低電阻率銅和低介電常數介質的發展。Cbb22 - i metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc
適用於電子設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。Cbb22 - ii metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc
Ii適用於電子設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。Cbb20 metallized polypropylene capacitor is used in electronic equipments, such as acoustic apparatuses which are high standard in capacitance stability 、 loss 、 insulation resistance in ac & dc
Cbb20適用於電子設備尤其是音響設備中的容量穩定性、損耗、絕緣電阻要求高的交直流電路中。This paper, according to the characteristic and requests of measurement for the medium loss of electric capacitive equipment and the resistive weight of moa leak current in a power substation, according to the on - line monitoring principle and implementing scheme of electric equipment in substation relying mainly on the means through the software analysis, finish the design and the fabrication of monitoring system hardware and software, and then empolder the on - line monitoring equipment fitting for the 220kv substation of dazhuling in chongqing, have finished the installation, debugging and the data analyzing of the running device
本文針對變電站電容性設備介質損耗和moa泄漏電流阻性分量測量的特點和要求,按照以軟體分析為主的變電站電氣設備絕緣在線監測的原理和實施方案,完成了監測系統硬體、軟體的設計、製作並開發了適合於重慶大竹林220kv變電站電氣設備絕緣的在線監測裝置,完成了裝置的安裝、調試和運行的數據分析。The 3 - db bridge of low loss, which is the vital part in improving power combining efficiency, is different from wilkinson bridge. it features usage in high performance power division and combining networks with the usual dielectric materials, as well as low loss, no need for resistant material, and simple fabrication technology
本課題設計的低損耗3 - db電橋不同於一般常用的wilkinson電橋,其特點除了損耗低外,無需阻性材料,且製作工藝簡單,可以在常用的軟基片上做出高性能的功率分配、合成網路。( 5 ) when bzach was used as chelator to prepare bst precursor, bst thin films with better dieletric property can be fibracated. the permittivity and dissipation factor were 550 and 0. 068 respectively. such result was better than the reference refered
( 5 )研究發現採用化學修飾法,引入鰲合劑bzach制備bst溶膠,得到的bst陶瓷薄膜具有更好的介電性能,在低阻si上制備的bst薄膜,經700晶化iomin ,介電常數為550 ,損耗0 . 068 ,優于目前文獻報道。By the methods of conformal mapping, the closed - form analytical expressions for characteristic impedance per unit length and relative effective dielectric permittivity are deduced for the three asymmetric cpw ' s, and the analytical expressions of the electric field for asymmetric cpw with conductor backing is derived
根據本文所提出的模型,推導出了三種結構參數的具體特例,並給出了這些特例的特性阻抗、有效介電常數解析表達式。門)給出了分析有限介質基片厚度非對稱共面波導導體損耗的方法,並推導出其解析表達式。分享友人