斷點開關 的英文怎麼說
中文拼音 [duàndiǎnkāiguān]
斷點開關
英文
breadpoint switch- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 斷點 : breaking point; breakpoint斷點操作 break-point operation; 斷點指令 break-point instruction [order]
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Sensitive switches, single - break contacts, subminiature size, detail specification for
超小型單斷接點組靈敏開關的詳細規范The main loop of the welder uses a thyratron transistor non - contact switch circuit, quick and reliable close time, accurate timing of welding, high precision of welding, good repeatability, bring a high quality welding
焊機主迴路採用晶閘管無觸點開關電路,關斷時間快、可靠,焊接定時精確,焊接精度高,重復性好,可實現高品質焊接。Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram
通過光功率計對每條光纜中的備用光纖進行實時的監控,測試光功率的衰減值,主控計算機不斷循環的對每個光功率模塊進行數據採集,並記錄每路光信號的光功率衰減值,然後進行分析處理,如發現達到設定的光功率衰減門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。High - frequency link power converters are receiving increasing attention. when the input frequency of ac - ac converter is quite high, such as 20khz or above, in order to make sure the converter switching action is restricted to the zero crossing point of the link voltage, the switching cycle becomes discrete pulse spectrums, however, the conventional pwm converters are ruled out because they would fail either to the efficiency or the low - distortion criteria
當交-交變頻器的輸入頻率非常高,通常為20khz時,為了在零電壓條件下實現逆變器開關管的通斷,變換器的開關時刻必須選擇在高頻交流電壓脈沖為零時,這意味著變換器開關時刻在時間軸上成為不連續的點,而常規的硬開關pwm變換器是將開關時刻選擇在任意時刻。Igct which is developed from gto combines the advance features of both gto and igbt, with the advantages of high switching - off voltage, large turn - off current, high switching frequency, low losses, and high reliability
Igct器件是從gto發展而來的,它結合了gto與igbt的優點,具有關斷電壓高、關斷電流大、開關頻率高、損耗小、可靠性高的特點。Zero - voltage turn - on and zero - voltage turn - off in lagging arm and leading arm of soft - switching topology, working waveform of power transformer and process of rectifier and transition are presented in detail. the influence of resonant inductance of the power transformer, resonant capacitor and variation of load to the process of soft - switching are given
主要對軟開關滯后橋臂和超前橋臂的零電壓開通、關斷過程,功率變壓器的工作波形及整流換流過程進行了詳細的模擬分析,並重點討論了逆變器的諧振電感、諧振電容以及負載變化對軟開關過程的影響。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。Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer
由於箝位電容的加入,相對于推挽電路而言,該拓撲具備了一些獨特的優點:減小了輸入電流的脈動:削弱了開關管的關斷電壓尖峰;有效抑制了變壓器的偏磁。In all interleaving two - transistor forward switches, zero voltage switching can be obtained which can apparently improve the power density. however the isolated boost converters need to resolve two problems
但是隔離boost變換器需要重點解決兩個問題: 1 )減小功率開關關斷時兩端浪涌電壓; 2 )隔離boost變換器的起動。A lcc multi - resonant ( mr ) network is added to the traditional three - level converters to realize zvs. the unique arrangement of a multi - resonant network results in absorption of all major parasitic components hi the resonant circuit, such as transistor output capacitance, diode junction capacitance and transformer leakage inductance, which can eliminate parasitic oscillation in the converter
它的優點在於諧振電容吸收了開關管和續流二極體的結電容,諧振電感吸收了變壓器的漏感,使得開關管和續流二極體都能在軟開關的條件下完成導通和關斷過程,消除了電路中的寄生振蕩。And we design an intelligence switch that is to be used to protect power system. the switch ' s strong advantage is that cutting - current is small, so time is very short when power system, which happened short circuit is switched off
該智能開關的優點是斷開電路時電流小,不易拉弧,因而開斷時間短,斷路器使用壽命也長,而且有望減小斷路器的容量,節省投資。Emphasis on picking up node failure message characters and matrix based on topology fabric and abutment matrix via switch node, analyzing the distribution feeder line break - down at single circumstance, discussing the distribution feeder line break - down judgment matrix, judge out the breakdown area of the segment through analyzing the break - down matrix inside chemical elements
論文軟體著重研究了以配電網拓撲結構以及開關為節點的鄰接矩陣為基礎、在實時情況下,提取電網節點故障信息特徵及矩陣,舉例說明了通過分析配電網饋線單一故障情況,利用饋線網路故障時的故障區段判斷矩陣,通過分析故障判斷矩陣中元素的性質,來判斷出故障區段的方法。A new drive circuit for igbt is designed. it features high switching frequency, high driving power, simple - structure and reverse - turn - off
論文中還設計了一種新型的igbt驅動電路,它具有開關頻率高、驅動功率大、結構簡單且具有負壓關斷的特點。A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器,電路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓開通,滯后橋臂零電流關斷,並使周波變流器所有開關在零電壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。Sensitive switches, single - break contacts, sub - subminiature size 7a, detail specification for
超超小型7a單斷接點組靈敏開關的詳細規范By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。In the switched - off condition or when the current supply is interrupted the three relay contacts on the output terminals 3 to 8 are open
在開關關閉或供電電流中斷時,輸出終端3到8上的三個繼電觸點打開。Through researching these characteristics of real - time data received deeply, some good measures are put forward and accepted to improve the fault - tolerance performance of the fault diagnosis system in the thesis, such as advance disposing of real - time switch information and instauration of dummy switch etc. based on the data information received, three starting arithmetic is developed in the thesis
本文在深入研究決策系統接收到的實時數據信息特點后,針對不同的情形進行不同的處理,它們是:對故障前後信息及故障時跳閘開關信息的確定、實時開關變位信息的預處理、虛擬開關的設立等。從投入現場運行以來,這些處理方法取得了良好的預期效果,提高了故障診斷系統的容錯性和抗噪聲能力。Experimentally, the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system. the clear interference patterns were acquired at different time. the contour maps of line integral density and curves of radial local density at different height above nozzle were presented
實驗上,對等離子體斷路開關中的電纜等離子體槍( c - gun )和等離子體焦點裝置( dpf )產生的等離子體進行了測量,獲得了對應不同時刻的清晰的干涉圖像,給出了線積分密度等值線圖和距噴口不同高度處的徑向密度分佈。Abstract : the principle and application of several kinds of opening switches with microsecond conduction time for inductive energy storage of high power pulse technology are introduced, and the characteristics of the switches are reviewed briefly
文摘:介紹了幾種用於脈沖功率電感儲能技術的微秒級傳導時間斷路開關的原理和應用,並就它們的各自的特點進行了評述。分享友人