power circuit breaker 中文意思是什麼
power circuit breaker
解釋
電力開關-
Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析，電力電纜的故障定位與局放檢測，變壓器電抗器的各種測試診斷與溫度監測， sf6的水分測量與回收，絕緣油的測試分析與濾油處理，紅外測溫與光纖在線測溫，以及各種電阻測試與計量，溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。 -
Each masterpact mw circuit breaker itself conforms to requirement of isolated switch, so save the cost and space of mounting isolated equipment for the power distribution system
每一臺mw斷路器本身符合隔離開關的要求。為配電系統省去了安裝隔離裝置的費用和空間。 -
The pressure existing between the guide vane and the runner when the pump - turbine of east china tongbai pumped storage power station stops at different loads is analyzed, and the method for determining the best load at which the generator circuit breaker ( gcb ) switches off during operation of the pump - turbine is illuminated
摘要介紹華東桐柏抽水蓄能電站的水泵運行時，不同負荷工況下停機、導葉和轉輪間壓力的變化，闡述了華東桐柏抽水蓄能電站1號機組發電機斷路器開斷的最佳負荷值選定。 -
Analysis and treatment of electricity corrosion of 220 kv circuit breaker in power plant
斷路器內部電腐蝕問題的分析及處理 -
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。 -
Metal - enclosed low - voltage power circuit breaker switchgear
帶金屬包殼的低壓電力斷路開關設備 -
Guide for breaker failure protection of power circuit breakers
電力線路斷路器的斷路器故障保護指南 -
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。 -
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 -
Based on the comprehensive study on contact erosion and massive tests, it is found that the erosion of cb contacts is dominantly depend on the arcing time and breaking current. this paper analyses the mechanism of electrical arc of vacuum circuit breaker and discusses the primary factores. then this paper put forwardes a way to prognosticates the life exepctancy of electrical endurance of vacuum circuit breaker base on the power of arc
本文分析了真空斷路器的燃弧機理，探討了影響真空斷路器電壽命的主要因素，指出了原先以開斷電流作為預測真空斷路器電壽命的方法的不足，提出了改進的以燃弧能量為主要指標的預測方法。 -
The circuit breaker protection with a variety of intelligent function, selective protection, precise movements, we can avoid unnecessary power outages and improve reliability
該斷路器具有多種智能保護功能，可進行選擇性保護動作精確，可避免不必要的停電，提高供電可靠性。 -
The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection
應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況，利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分（第五，六，七章）著重分析了現有基於故障電流的暫態保護原理和判據存在的問題，提出了新的實現方案，並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。 -
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。 -
Recommended practice for reporting of power circuit breaker field failures
動力線路斷路器場失效報告的推薦實施規程 -
With the development of the electric industry and the rapid increasing of the wastage of the power, the effect of the low - voltage circuit breaker on the power supply and the circuit protection is more and more important. it was required that the circuit breaker has enough short circuit breaking capacity and some intelligent functions
隨著我國電力工業的發展和用電量的猛增，低壓斷路器在配電和保護線路中起著日益重要的作用，要求它具備很大的短路電流分斷能力，實現選擇性保護和供電安全，同時具有一定的智能化功能。 -
As the worldwide leader in power & control, schneider electric is the first one to create the first multi9 series mini circuit breaker, which is standard module size in china
在80年代，當每家每戶還在用保險絲的時候，施耐德電氣率先給大家推出了斷路器的概念。 -
Metal - enclosed low - voltage ac power - circuit - breaker switchgear assemblies - conformance test procedures
金屬封裝低壓交流電力斷路器開關設備組件.合格試驗規程 -
After the discussion about the usage of lighting distribution appliances close to the power source, this article suggests a proper circuit breaker be selected in the lighting power supply system to ensure a safe and reliable line operation
通過對接近電源處照明配電設備實際使用情況的討論，提出了在照明供配電系統中，應選用適當的斷路器，使得線路安全可靠地運行。
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