故障繼電器 的英文怎麼說
中文拼音 [gùzhàngjìdiànqì]
故障繼電器
英文
barrier relay- 故 : Ⅰ名詞1 (事故) event; incident; happening; accident 2 (原因) cause; reason 3 (朋友; 友情) fr...
- 障 : Ⅰ動詞(阻隔; 遮擋) block; hinder; obstruct Ⅱ名詞(遮擋物) barrier; block; obstacle
- 繼 : Ⅰ動詞(繼續; 接續; 接著) continue; succeed; follow Ⅱ副詞(繼而) then; afterwards
- 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...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 故障 : hitch; breakdown; stoppage; fault; faulting; accident; blunder; bug; conk; failure; impairment; i...
- 繼電器 : [電工] electric relay; relay
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The combination seal failure / overtemp alarm relay is a specialized control for monitoring seal failure and thermal overload of one ( 1 ) submersible pump motor
密封故障和過熱故障兩用報警繼電器是一個專用控制裝置,用於監測一( 1 )臺潛水泵電機的密封故障和熱過載。If only one phase - to - ground relay operates, the operated phase is tripped in a single - pole tripping scheme ; otherwise, the tree phase of the protected line is tripped
提出了繼電器按單相設置保護方案, ?相繼電器動作跳單相,超過兩相繼電器動作認為是相間故障則三相跳閘。Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator
實際的計算表明:輸電線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快速切除近區故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限特性:直接用全周傅里葉演算法進行阻抗計算;採用工頻變化量阻抗繼電器進行工作電壓的計算;採用轉矩的思想進行轉矩的計算。After that, the author discusses a novel solid states limiting technology and provides a single - phase solid states bridge current limiter and a main circuit topology of three - phase fault current limiter. it can be found that the new type of three - phase solid states bridge current limiter can handle the fault conditions more flexibly. it can not only remove the fault circuit, but also control the value of stable fault current to cooperate with the existing line three - segment relay
繼而,介紹了一種新型固態限流技術,給出了單相、三相限流器的主電路拓撲,分析了其基本工作原理和控制方式,指出以全控橋結構為基礎的變壓器耦合橋式限流器能夠更加靈活地處理電力系統的各種短路故障,及時地限制短路電流,並與現有的線路三段保護相配合,還可根據需要實現及時切除故障電路,在故障恢復時軟重合閘。The characteristic of the faulted phase is the same as the traditional method with this new compensation method. the performance of the healthy phase has been improved by this new method
零序電流的補償採用了自適應方法,對故障相繼電器動作性能不變,對健全相距離繼電器動作性能顯著提高。Moreover, it has function to fault phase identification and fault distance measurement
另外,該神經網路式阻抗繼電器還具有故障選相和故障測距的功能。The analysis of the failure of feeding breaker not being triggered while leakage relay acting
檢漏繼電器動作饋電開關不跳閘的故障分析Prospect teli - monitering system for elevator is prospect s new product. it has confirmed by experts on elevator as high technology products. through photo - electric isolation part, it connects the control circuit and sensors on elevator to collect, analyse the real - time status data
該產品通過光電隔離與電路控制系統及傳感器連接,由電梯故障信息採集分析儀實時採集電梯的運行狀態和有關數據,並對採集到的電梯信號進行邏輯判斷,發現故障,將相關數據傳輸中繼器。But, the alarm signals from scada have disadvantages as follows : ( 1 ) the open - air feeder terminal units ( ftu ) are interfered by strong electromagnetic and thunder. besides, the failure of relays and the fault of ftu can also lead to that fault information is interfered and aberrant. ( 2 ) in the process of transmission and commutation, the error in the communication equipment may result in the signals err or lose
然而,現有的scada系統在配電網發生故障時提供給調度員的警報信息有如下局限性: ( 1 )面向現場的戶外饋線終端ftu運行環境惡劣,承受強的電磁、雷電干擾,並且由於繼電器節點故障、 ftu元器件損壞等因素的存在,使得配電網信息受干擾、畸變的可能性較高; ( 2 )在信號傳輸及變換過程中,通訊裝置的故障等原因,也可能導致信號出錯甚至丟失; ( 3 )保護裝置和斷路器本身也有可能誤動或拒動。In view of the decline of the reliability of door control in dc01 electrical train, this paper introduces the control system for passenger compartment door and the causes of the failure, and argues that the improvement of the door control delay, the opening circuit and the limit switch is the key to enhance the reliability of door control and to reduce the vehicle fault
摘要針對上海地鐵dc01型電動列車客室車門電氣控制系統可靠性下降的問題,介紹了車門電氣控制系統,分析產生車門電氣故障的根本原因,從門控繼電器、開門電路、車門限位開關等方面對車門電氣控制系統進行改造,提高了門控系統的電氣可靠性,有效降低了車門的故障率。There are two functions in the fault injector, one is the realization of digital controller ’ s work environment by simulating the electrical characteristics of sensors and actuators, another function is the control of the fault injection which is realized by the voltage - controlled constant voltages source and relay switch circuit etc. the manage compuer is in charge of the fault mode setting, fault injection process controlling and result data retrieving
在故障注入器上,通過對傳感器和執行機構電氣特性的模擬提供控制器的運行環境,利用壓控恆壓源和繼電器開關等電路實現多種故障注入方法;作為故障注入器上位機的管理計算機,負責故障模式設置、故障注入過程式控制制和結果回收處理。Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault
鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗,故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗,模擬的采樣率和硬體基本一致,由於硬體中帶有低通濾波器,故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解,使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息,然後對這一信息再繼續進行小波演算法分析,分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。The operation characteristic of the new relay is analyzed in theory and verified by the simulation tests. the new relay operates with clear selectivity and high operation speed and can satisfy the demand of the protection for the ehv transmission line. the performance of the fault component impedance relay has been improved and the misoperaion of the healthy phase under cross - country fault and close - in fault have been avoided
理論分析及模擬計算表明,基於自適應補償的突變量距離繼電器有很好的選擇性和速動性,完全能夠滿足高壓線路保護的需要,顯著提高了突變量距離的性能,解決了其在大電源出口單相故障以及正反向復故障可能會誤跳三相的缺點。Unfortunately, adding two relays per port will increase cost, area and failure rate ; whether these penalties are acceptable to operators in return for highly accurate selt measurements on long loops is not yet clear
不幸的是,增加兩個繼電器會增加成本,面積和故障率;目前還不清楚運營商為了獲得高精確的長距離環路selt測試而付出這些代價是不是可以接受的。The differential relay compares the currents and picks up when there is a difference in the two, which signifies a fault in the zone of protection
差動繼電器對電流進行比較,如果存在不同則表示受保護區域內有故障存在。Research on the influence of superconducting fault current limiter on relay protection
超導故障限流器對繼電保護的影響Power equipment maintenance, motor maintenance, relay maintenance, maintenance of light fittings, cable fault analysis, etc
電力器具維修、馬達維修、繼電器維修、燈具維修、電線故障分析等Operational conditions of the monitoring relays are displayed via leds for supply power transformer voltage, relay status, fault type and delay times
檢測繼電器的操作情況中的供電變壓器電壓、繼電器狀態、故障類型和延遲次數可以通過led顯示出來。分享友人