current breaker 中文意思是什麼
current breaker
解釋
【電學】斷流器。-
The functions of this automation system focus on five aspects : data acquisition 、 supervision and control 、 fault isolate and recovery 、 gis 、 data statistic and report. the design project takes the rcs - 9000 series 、 sd ? 9520 and sd - 9630, which is a new installation that can detect the operation state of the low - voltage current breaker, and send the state to the control room. the other new installation is sd - 9860, which is the monitor of the cable fault
設計方案中，在採用南瑞rcs - 9000系列、雙電公司sd - 9520裝置的同時，採用了新開發的sd - 9630塑殼開關運行狀態採集裝置，檢測塑殼開關的運行狀態，並將運行狀態傳回到集控中心（中間站） ；採用了新開發的sd - 9860電纜故障指示器，完成電纜故障的識別；集控中心的設計實現了整個小區配電自動化系統的集中通訊、實時監控、統計與管理功能；高、低壓開關實現了自動控制、狀態檢測和無功補償等。 -
Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory
分析了電流過零時噴口內電弧參數變化的原因，此外，從理論上對所研究的斷路器的開斷性能進行了分析。 -
For the circuit - breakers of rated voltage 252kv up, the synthetic test methods are introduced according now condition because of the limitation of the transformer short - circuit capacity. the correlative prescribes on switching line - charging current in gb / t1984 - 200x " alternating - current high - voltage circuit - breaker " are discussed according to the test results and theoretic analysis
由於開合空載架空線路試驗對電源側的阻抗有明確的規定，這就要求試驗電源必須具有足夠大的短路容量，實驗室很難滿足要求，因此，一般對較高電壓等級的斷路器採用合成試驗方法，本文介紹了利用現有條件，對252kv以上電壓等級的斷路器採用合成試驗時的試驗線路。 -
Contacet breaker current
斷電觸點電流 -
The characteristics : the unit is composed of high voltage parallel capacitor, serial reactor, switch ( disconnector, grounding switch, breaker etc. ), lightning arrestor, fuse, discharging coil, current transformer, insulator, busbar and steel bracket, includes two kinds of structure : frame type and cabinet type
產品特點：裝置由高壓並聯電容器、串聯電抗器、開關（隔離開關、接地開關、斷路器等） 、避雷器、熔斷器、放電線圈、電流互感器、絕緣子、母排和鋼架組成，裝置有框架和櫃式兩種結構。 -
The product facilitates extensive safety functions including : self diagnostic circuit ( temperature sensor malfunction, heater disconnection, automatic overheat preventive device, ssr short circuit ), over heat preventive device, over current electric leakage breaker, and key lock function
故障自我診斷（溫度傳感器異常、加熱器斷線、自動溫度過升防止功能、 ssr短路） ，過升防止器、過電流漏電保安開關、鍵盤鎖定等安全功能充實。 -
Analysis on cut - off current overvoltage of the vaucum circuit breaker and its limiting measures
真空斷路器操作過電壓及其限制措施 -
Residual current operated circuit - breaker with integral overcurrent protection for household and similar use
供家庭使用及作相類用途，具過流保護功能的電流式漏電斷路器； -
Residual current operated circuit - breaker without integral overcurrent protection for household and similar use
供家庭使用及作相類用途，沒有過流保護功能的電流式漏電斷路器； -
When switching the no - load overhead lines by alternating - current high - voltage circuit breaker which is a kind of daily operations in electric power system, over - voltage is probably bringed out and insulating property of the electric devices is breakdowned sometimes, especially, when occuring re - strike. the main purposes that the tests on switching line - charging current are performed in the laboratory are assessing re - strike performance of circuit - breakers. according to the test results, the design of the circuit - breaker is optimized and re - strike performance is improved
交流高壓斷路器是電力系統中最關鍵最重要的設備之一，斷路器開合空載架空線路是電力系統中常見的操作，操作過程中通常會出現過電壓，對系統絕緣造成威脅，嚴重時會破壞系統的絕緣性能，發生事故，隨著電力系統電壓等級的提高、輸電線路不斷延長及傳輸容量的增大，由操作過電壓引起的絕緣閃絡、設備破壞事故的幾率更加突出。 -
Vacuum circuit breaker, drop - out fuse, current limiting fuse, hv fuse, lightning arrester, load switch, power cable distribution box, ring - type net switch station, intelligent power distribution automation system, box transformer substation, hv switchgear cabinet set, lv switchgear cabinet set, isolating switch, hv synthetic rubber insulator, etc. high technology is the source of sunrise development " continuous improvement, keep learning to succeed " is our concept. the group has established a long - tem cooperation with uk birmingham university. electric power research institute of china
主要生產126kv以下輸變電設備，主要有真空斷路器跌落式熔斷器限流熔斷器高壓熔絲避雷器負荷開關電纜分接箱環網開關站智能配電自動化系統箱式變電站高壓成套開關櫃低壓成套開關櫃隔離開關高壓合成膠絕緣子等14大系列800多種規格。 -
Compared with the old product, the new st spd has a higher maximum discharge current and nominal discharge current, better voltage protection that can be used for flexible failure indication. its size is in consistence with our current c65 circuit breaker, which makes it more beautiful when mounted together in a panel
此次發布會上發布另一款產品- st系列固定式電涌保護器也有了更為強大的功能：首先，它的最大放電電流和標稱放電電流更大，電壓保護水平更好，這使得產品持續運行時間更長，不易老化。 -
In the experiment of testing instantaneous characteristics for circuit breaker, the transient current exists in the experimental circuit because of the closing making angle, which has serious influence on the testing precision
斷路器進行瞬動特性試驗時，由於合閘相角的原因，試驗電路中會產生暫態電流，暫態電流的存在對試驗精度產生嚴重的影響。 -
According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式；光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電，確保了主迴路與測試迴路的完全隔離；單片機測控部分採用了89c51單片機，擴充了外圍電路，通過串口向pc機傳送數據； pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口，可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發，信號由單片機發出，控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理，軟體部分又可分為單片機和pc機程序設計兩大部分。 -
Air circuit breaker an air circuit breaker automatically interrupts the current flowing through it when the current exceeds the trip rating of the breaker
空氣線路斷路器空氣線路斷路器的功能是當電流大小超過斷路器的過流跳脫設定值后自動斷開。 -
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。 -
This paper presents a novel method for short - circuit current calculation, using zero impedance branch to simulate electrical equipment ( such as circuit breaker )
提出了將電氣設備（如斷路器等）用一條零阻抗支路模擬的短路電流計算方法。 -
Rated residual current from 15ma to 500ma. the overload, short - circuit and earth leakage protection function by dual - voltage, high speed and compact size. tlb - 50 serise can save the panel space by decreasing 12 size from the traditional 1 pole residential breaker
過電流保護特性採用有效值控制方式，可防止因高諧波而誤動作，增加其可靠性，此為一般傳統電子式塑殼斷路器所無法達到的功能。 -
Trouble wave record function : can record the current 、 voltage 、 state of breaker and protection information before 、 in and after troubles completely and really, the recorder length is 100 cycles, offer the trouble analysis evidence for the customers
故障錄波功能：可將故障前、故障中、故障后的電流、電壓、斷路器狀態和保護信息完整真實記錄下來，記錄長度100個周波，為用戶進行故障分析提供依據。 -
Standard for metal - enclosed low - voltage power circuit breaker switchgear - amendment 1 : short - time and short - circuit withstand current tests ; minimum areas for multiple cable connections
金屬殼密封的低壓電力線路斷路器開關設備標準.修改1 :短時間和短路可耐電流測試;多電纜連接的最小區域
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