變阻器的 的英文怎麼說
中文拼音 [biànzǔqìde]
變阻器的
英文
rheostatic-
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 connection of partial pressure and the limit flows in rheostat
變阻器的分壓和限流連接A variable resister is called a rheostat.
可以調節的電阻器叫做變阻器。In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper
( 3 )利用牽引變壓器磁鏈平衡方程,建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、阻抗匹配平衡牽引變壓器及scott (斯科特)接線牽引變壓器的「灰箱」模型,該模型考慮了牽引變壓器鐵芯非線性和磁滯效應,但又不直接反映在模型中,並且無需鐵芯的b - h曲線數據。In the experiment of varistor bleeder circuit, the successful load of equal voltage requires that the relation between load and varistor be correctly defined, so as to choose appropriafe experimental instrument
摘要在變阻器分壓電路實驗中,要求負載得到均勻變化的電壓時,怎樣確定負載與變阻器之間的關系,以便在實驗中正確選擇實驗儀器。3. we do short circuit analysis upon multiple magnetic circuit transformers by use of steady non - linear analysis and get the leakage reactance respectively between high voltage and high voltage 、 high voltage and low voltage 、 two high voltage and low voltage 、 low voltage and high voltage and low voltage and two high voltage. what ’ s more, we do finite element analysis upon the temperature field of transformers and according to its distribution we get the wind speed to forced air cooling
3 、採用穩態非線性分析法對多磁路變壓器進行短路阻抗計算,利用能量法計算出變壓器高壓與高壓、高壓與低壓、兩高壓與低壓、低壓與高壓以及低壓與兩高壓之間的漏感;對變壓器的溫度場進行有限元分析,確定溫度場分佈情況。In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given
針對交流傳動電力機車的傳動特點,對其中的牽引變壓器的工作狀態進行了分析,指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。The negative sequence current of impedance - matching balance transformer
阻抗匹配平衡變壓器的負序電流By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。One - step synthesization made the electrical properties more stable, controling the reducing sintering temperature and retention time can adjust the electrical properties in a certain scope, changing the oxidation temperature made the varistor ’ s voltage v10ma changed, using the special double - layer silver plasm can eliminate the voltage - direction problem
一次配料得到的樣品電性能一致性更好;控制還原氣氛燒結溫度和保溫時間,可以在一定范圍內調節鈦酸鍶壓敏電阻器的電性能,改變氧化溫度可以獲得不同的壓敏電壓,從而得到系列化產品;採用雙層銀漿工藝成功消除了壓敏電壓的方向性問題。Two design plans and structure charactristic of high impedance transformer are introduced. its charactristics are compared. its structure is analyzed
摘要介紹了高阻抗變壓器的結構特點及兩種結構的設計,並對其進行了性能比較和結構分析。We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on
產品有溫度變送器(一體化溫度變送器模塊(雙支溫變模塊) 、一體化溫度變送器、導軌式隔離溫度變送器、壁掛式溫度變送器、架裝式溫度變送器) 、壓力變送器(擴散硅壓力變送器、藍寶石壓力變送器、濺射式(金屬薄膜)壓力變送器、應變式壓力變送器、陶瓷電阻、電容壓力變送器、 1151 、 3151系列壓力變送器) 、液位變送器模塊(專為液位計廠配套) 、配電器(單迴路、雙迴路) 、信號隔離器(單迴路、雙迴路) 、傳感器(溫度、壓力) 、配變送器的顯示表頭( 100刻度顯示、 lcd液晶顯示、 led數碼顯示) 、數字儀表等工業自動化儀器儀表。Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation
鑒于湯陰變電站的諧波主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況,得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器,分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波,推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據,歸納了電力牽引負荷注入湯陰變電站的諧波的特點。This paper analyzes the operation principle, discusses the design of the block capacitor and the output inductance. a prototype converter rated 1. 2kw is built in the lab to verify the effectiveness of the cdr zvs pwm h - fb tl converter
論文詳細分析了該變換器的工作原理,討論了開關管實現zvs的條件、阻斷電容以及濾波電感值的選取等,最後進行了實驗驗證。Currently, zno is attracting attention for its application to uv light - emitters, varistors, transparent high power electronics, surface acoustic wave devices, piezoelectric transducers, gas - sensing and as a window material for display and solar cells
目前, zno由於在紫外光輻射、變阻器、透明高功率電子器件、表面聲波器件、壓電傳感器、氣敏傳感器及作為顯示器件和太陽能電池窗口材料方面的廣泛應用而引起人們極大關注。The fourth part analyzed the intermediate dc voltage and its control principle and the technical parameter of the main parts in the ac transmission system. several key technical problems such as parallel working of the ac motors, the wheel diameter difference under the bogie - control mode, the ac motor - inverter matching principle are studied in detail. the principles to determine the electrical parameters are also discussed
論文第4章重點研究了變流器的中間直流電壓的確定及其控制規律,確定了交流電傳動系統主要部件的技術參數;研究了架控方式工作下電動機並聯工作、輪徑差、電機?變流器匹配原則等關鍵的技術問題;詳細分析了交流傳動系統在牽引工況和電阻制動工況下各參數的工作過程和控制原則。Some design guide lines are discussed based on the structure of the system. the mutual inductance coupling model of the system is introduced. the circuit impedance is analyzed
針對非接觸感應電能傳輸系統的構成,討論了非接觸感應電能傳輸系統的設計準則,介紹了變換器的互感等效電路模型,並進行了阻抗分析。The transient simulation model of impedance - matched balancing transformers is established. the effect of transient model and equivalent circuit in calculation of steady short circuit current are compared
摘要建立了阻抗匹配平衡變壓器的暫態模擬模型,比較了暫態模型和等值電路在計算穩態短路電流中的效果。Varistors for use in electronic equipment - blank detail specification for silicon carbide surge suppression varistors - assessment level e
電子設備用變阻器.碳化硅電涌抑制變阻器的空白詳細規范.評估等級eSpecifications for harmonized system of quality assessment for electronic components - varistors for use in electronic equipment - blank detail specification : zinc oxide surge suppression varistors - assessment level e
電子元器件質量評估協調體系規范.電子設備用變阻器.氧化鋅電涌抑制變阻器的空白詳細規范.評估等級e分享友人