main circuit breaker 中文意思是什麼
main circuit breaker
解釋
主電路斷路器-
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。 -
An analysis on loss - of - phase operation of circuit breaker of 220 kv main trans former
主變斷路器缺相運行淺析 -
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。 -
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。 -
Connector, terminal, circuit breaker, contactor, switch plug, timer and motor are the main applications in this market
連接件端子斷路保護器接觸器開關插座定時器及馬達是這個市場的主要應用。 -
Gangtong company professionally deals in automatic controlling component. its also the agent of low pressure distributing products, industry controlling products and fa component for mitsubishi, nais - national, moeller, unique. the main products are circuit breaker, contactor, timer, time relay, controller and transducer
港通公司是一家專業經營工業自動化控制元器件公司，代理銷售日本三菱電機mitsubishi松下電工nais - national德國金鐘-默勒moeller馬來西亞unique的低壓配電產品工業控制產品及fa元器件。 -
Our main products : miniature circuit breaker, residual current circuit breaker, modularization socket, isolating switch, lighting distribution box and so on
上海梅蘭智能科技有限公司的主要產品有：小型斷路器、漏電斷路器、模數化插座、隔離開關、照明配電箱等系列產品。 -
Distribution circuit breaker a distribution circuit breaker is a device used for overload and short current protection of loads connected to a main distribution device
配電線路開關配電線路開關是給連接在主配電設備上的負荷提供過載和短路保護的裝置。 -
See air circuit breaker, main breaker, molded case circuit breaker and power circuit breaker
（見空氣線路斷路器、主開關、塑殼線路斷路器等） 。 -
Main breaker a main breaker is a circuit breaker at the input or output of the bus, through which all of the bus power must flow
主開關主開關是在母排輸入或輸出端的線路斷路器，所有的電流都要從那通過。 -
Main circuit breaker
總迴路開關 -
The compact nsc series range of circuit breakers, with plastic casing, are suitable for distributed network of ac 5060 hz, voltage rating 500v, electric current rating 15a through 250a, especially adapted to be the main protective switch of machines compact nsc series circuit breaker offer a lot of advantages such as high functionalityprice ratio ; excellent insulation property, safe running operation, exactly and reliable separating function, isolation function ; compact structure and small volume
Compactnsc系列塑殼式斷路器適用於交流5060hz ，額定工作電壓500v ，額定電流15a至250a的配電網路中特別適合作為機器設備的主保護開關。具有良好的性價比；絕緣性能好，運行操作安全；分段確實可靠，隔離功能；結構緊湊，體積小等諸多優點，是目前同類產品中體積最小的。 -
An approach to reset the main valve in the hydraulic control system of circuit breaker in gis
中斷路器用液壓系統控制主閥的復位方法
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