接地電閘 的英文怎麼說
中文拼音 [jiēdediànzhá]
接地電閘
英文
earthing switch-
Minimum trip for phase, ground and sensitive ground faults
相間，接地和靈敏接地故障的最小跳閘電流Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器（ upfc ）是功能最強、最具發展潛力的靈活交流輸電系統（ facts ）控制器之一，如果在常規條件下，用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能，在發生單相永久性接地或單相斷路故障時，由傳統的三相跳閘改為單相跳閘，用upfc的並補來濾除兩端系統的零序和負序電流，用upfc的串補來提高輸電線的傳輸功率，以實現兩相長期運行，那麼輸電系統的穩定性、可靠性將大大提高。According to the rule of mine safety regulations, an intrinsically safe pilot circuit with perfect performance for underground motor intelligent protective systems is put forward, which can effectively avoid the phenomenon of self - starting that is caused by the earthing of control lines before starting motors, at the same time, can reliably cut off the switches to ensure the safety of underground production under operation condition no matter what the faults of short circuit, open circuit and earthing in the control circuits happened
根據煤礦安全規程規定設計了性能完善的本質安全型先導電路，起動前它能有效地防止因控制線接地造成自起動現象的發生，而且在運行中無論控制線發生短路、斷線還是接地故障，它均能可靠跳閘，確保生產的安全，該先導電路的性能指標達到了國內領先水平。When this fault is cutted off and the breaker is reclosed, this scheme ca n ' t start by mistake. the availability of this scheme is proved with matlab test. the single phase high - impedance grounding fault is settled properly
Matlab模擬分析證明了該方案耐受過渡電阻的能力強，在故障切除和重合閘時不會因出現的暫態信號而誤啟動，不受系統振蕩、頻率偏差的影響，克服了常規保護靈敏度不足的缺點，較好地解決了單相高阻接地故障的難題。Changing operations on the fly ? converting, say, a calculation of a matrix of numbers to a parallel - processing computation ? requires the relatively slow rewiring of connections between large blocks of transistors, not the individual elements ( gates ) that perform a processor ' s logic operations
若要以動態的方式改變操作（例如將數字矩陣的計算轉換為平行計算） ，得將大區塊電晶體間的連結緩慢地重新接線，而非直接改變處理器里執行邏輯運算的個別元件（邏輯閘） 。Author introduces the principle, the technical character and the technical data of the device. it is also advanced a scheme about catrier signal spanning the distribution line break. author provides the experiment report of the wfplc - m1 middle - voltage power line caner modem
該系統在設計上採取了多種信號隔離措施，具有雙載頻自動切換功能和中繼功能，結合裝置採用耦合電容和結合濾波器一體化設計，具有接地刀閘保護、避雷器保護。The auhor develops the user - defined dynamic phasor models of all the above devices with the user - defined function of power system analysis software package ( psasp ) of epri, china, including traditional power components such as generator, transmission line, transformef, fixed series capacitor ( fsc ), grounding reactor, etc., and new type power devices including thyristors like tcsc, hvdc, svc and smcom, thus realizes time - domain simulation for sso large signal stability analysis and realizes sso small signal stability analysis further through the linearization platform of psasp
作者利用電力系統分析綜合程序（ psasp ）的自定義建模功能，建立了電力系統基本元件（如發電機、輸電線、電容器、接地電抗器等）及含晶閘管等電力電子元件的新型電力系統裝置（ tcsc 、 svc 、 hvdc及statcom ）的動態相量自定義模型，從而通過psasp實現了sso問題的大幹擾穩定的時域模擬計算，並進而通過該程序的小干擾線性化平臺實現了sso問題的小干擾穩定分析。A indirect fiber - trigger system is adopted for high voltage thyristor vale, which solves the problem of high voltage insulation and improves the capability against interfering and the reliability of the control signal. the thyristor gate electronics is also designed
論文採用間接光纖觸發方式作為高壓晶閘管閥的觸發隔離系統，很好地解決了系統的高低壓隔離問題，大大提高了控制信號的傳輸抗干擾能力和可靠性，並設計了相應的晶閘管門極電子電路。For fire grounding, grounded impedance varies greatly because of air dissociation, and this causes protection set to startup and resume again and again. therefore, the main protection of the fault line ca n ' t cut off the fault quickly and accurately, and may lead to overstep tripping of near lines " protection sets and eventually cause more serious faults on the power system
同時故障電流一般比較小，電流突變也很小，有時呈緩慢上升的變化趨勢，對火焰接地來說，由於空氣游離的緣故，接地阻抗變化很大，使現有保護反反復復啟動、恢復，可能會導致相鄰線路、設備的保護越級跳閘，使電力系統出現更嚴重的故障。分享友人