短路發電機 的英文怎麼說
中文拼音 [duǎnlùfādiànjī]
短路發電機
英文
short circuit generator- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 發 : 名詞(頭發) hair
- 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...
- 機 : machineengine
- 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
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The two - point to earth short fault may cause short currents whic h can lead to serious accident. so it is necessary to monitor the state of field windings of turbo - generator and detect the kind of fault and predict its inclination. thus the security level of power system will be improved
由於發電機轉子兩點接地故障時會產生較大的短路電流,導致惡性事故的發生,因此對發電機轉子繞組進行狀態監測,判斷短路故障的形式和趨勢是十分必要,有助於提高系統安全運行水平。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。Be familiar with hv, mv and lv power distribution systems and power factor correction study & harmonic analysis, ups and dc power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc
熟悉項目中的高、中、低壓配電系統和功率因素補償研究及諧波分析, ups和直流電氣系統,功率計量,相關計算(包括短路計算和保護裝置協調分析,照明保護計算,發電機功率計算等) 。My research paper can be divided into five parts : i. practical mathematical models have been derived and equations are also derived ( includes field excitation system, governing system ), which are used in generator three phases short circuit and by adding large loading. ii. simulation of the generator ' s shunt - wound run
發電機組實用數學模型的推導(包括勵磁系統和調速系統) ,並由此推出了用於發電機三相突然短路和突加異步電機大負載模擬的差分方程;並進行了突卸負載、突加負載時調速系統的模擬過程; 2The ground faults in the generator stator are by far common faults to which generators are subjected. internal short - circuit faults, which may immediately damage generator, are always preceded by the ground faults. the possibility of internal fault and damages caused by it can be decreased largely if the stator ground fault protection reliably and sensitively operates
定子繞組單相接地故障是發電機最常見的一種故障,而且往往是更為嚴重的繞組內部短路故障發生的先兆,定子繞組單相接地保護的可靠與靈敏動作可以大大降低內部短路故障的發生幾率,減少故障造成的損失。Interturn short - circuit protection equipment and relays for generators
發電機匝間短路保護裝置及繼電器Shorted rotor winding is a usual electric fault of synchronous machines. based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator, the paper studies the diagnose method, which combines the traditional method with the intelligent method, to identify the fault and the severity
轉子繞組匝間短路是一種常見的發電機電氣故障,本文對其故障機理和磁動勢進行了分析,將傳統的方法和智能化方法相結合,對轉子繞組匝間短路的存在性和故障嚴重性進行了診斷。It is means that gahc would be harmless to the stability of other generators, when it is used to reduce the ste of local generator. the simulating tests of gahc used on steam turbine and hydro turbine had been done in single machine system and multi - machine system. the results of simulating tests show that the generator stability could be improved by gahc, it is harmless to the stability of other generators in multi - machine system
在單機系統和三機無窮大系統中對汽輪發電機和水輪發電機的gahc控制進行了模擬實驗,模擬實驗結果驗證了: gahc提高了汽輪發電機和水輪發電機抵抗三相短路故障擾動沖擊的能力; gahc在多機系統中對其它發電機的穩定性不會產生危害作用;水輪機的gahc克服了水錘效應對穩定性的危害作用。Based on the relative theories about electric circuit and synchronous generators " post - fault transient, a practical computerized method making use of node impedance matrix is proposed to calculate the instantaneous currents of a faulty power system
本文基於電路理論和發電機的短路過渡過程理論,利用節點阻抗陣推導出電力系統短路時任意時刻短路電流的實用計算機演算法。Two methods for improving short - circuit ratio of the three - phase synchronous generator
提高三相同步發電機短路比的兩種方法Methods for the determination of interturn short - circuit in the rotor winding of cylindrical synchronous generators
隱極式同步發電機轉子匝間短路測定方法During its operation, the rotor of the machine is always under the great suppression of centrifugal force. the surface of rotor is the most important part to enduring the forces and thermal energy. so the windings of rotor are in a common problem of happening one - point to earth short fault, two - point to earth short fault, or turn - to - turn short fault
汽輪發電機是一種高速隱極式同步電機,在其運行時,轉子受到強大的離心力的作用,而轉子表面是承受機械應力和發熱的最關鍵的部件,因此汽輪發電機轉子繞組容易發生一點接地、匝間短路和兩點接地短路故障。And matrix equations calculating the responses of coupled vibrations are deduced. a set of software analyzing coupled vibrations is developed. the responses of flexural vibration, torsional vibration and torsional torque are analyzed under some fault cases, including mass escaping of low - pressure and generator rotors
利用該軟體,分析了低壓缸和發電機轉子發生質量飛脫事故,發電機出口端發生三相、兩相短路故障,發電機非同期並網故障以及電網三相短路重合閘故障時,機組軸系的彎振、扭振及扭矩響應情況。The electrical relation of phase - phase and intris fault of generator stator windngs is studied in detal
詳細研究了發電機定子繞組匝間和相間短路的電氣關系,理論計算和實用計算方法。The mathematical model of multi - loop, which is improved through selecting new stator loops in this paper, can be used to simulate the transient behavior of external short circuit at machine ' s terminal and internal short circuit in the stator, not only under no - load condition with single machine but also under load condition connected to power network
本文改進了原來的多迴路數學模型中對定子迴路的選擇,不僅可對同步發電機機端各種外部短路故障和單機空載下的各種定子內部故障進行暫態過程的模擬,還實現了負載時內部各種故障的暫態模擬。We base on the wind generators ' traits, have produced the generator related products, like charging system, inverter, and repacking system, it has the protection functions for the overcharging, over - discharging, short - circuit, over - loading and superheating etc. to top it off, the digital readout and the alarm system makes the generator run more safely
充電、逆變、卸荷系統完全根據風力發電機的特點配套生產,有完善的過充、過放、短路、過載、過熱保護功能,採用數字顯示,簡單直觀,有聲報警,系統運行更加穩定可靠。The dynamic simulating system used to do the research of governor control had been established by the device. the dynamic simulating tests of gahc used on steam turbine and hydro turbine had been done with the device. the tests were three phases short circuit, restoring synchronous operation and restraining low frequency oscillation in three - machines system
利用該裝置對gahc在汽輪發電機和水輪發電機上的控制進行了以下動模實驗:單機無窮大系統中三相短路故障實驗和發電機發生失步故障后的再同步實驗、三機無窮大系統中抑制低頻振蕩的動模實驗。Aimed at the short time run of the generator, multi - channel and high precision in aircraft test on ground, based on the idea of multi - channel long time record at locale, then playback and analysis, an aircraft electric multi - channel test system based on vxibus is designed, it is proved to have convenience and high test - precision, and well fulfills the need of multicenter test at locale and implements that multilcenter data can be playback and analysed
摘要針對目前飛機地面電氣測試中發電機開機時間短、測試通道多、並且要求測試精度高的要求,按照現場長時間多通道記錄,後期回放處理的設計思路,設計了一種基於vxi總線技術的飛機電氣多通道測試系統,實踐證明該系統使用靈活,測試精度高,很好滿足了現場實驗多通道數據同時測量的要求,並實現了對多個通道數據後期回放及分析處理。Generator out of operation due to short circuit
發電機不工作因短路。To the exploration, the author studies sailimu and buerjin wind - electricity field. the study shows the short circuit proportion supplied by wind - electricity is very high, so the wind - generator can " t be treated as a simple equipment that assumes energy, nor a simultaneous generator, if as an unsimultaneous generator, the short circuit will be different when the capacity changes, as a sequence, the relay will be influence too
以上研究結果表明:風力發電機提供的短路電流在短路電流中占相當大的比例,因此不能將風力發電機作為簡單負荷處理,也不能視為同步機處理,即使作為異步機處理,當採用容量不同時,短路電流大小也有變化,因此,也就直接影響繼電保護的整定計算。分享友人