短路電流試驗 的英文怎麼說
中文拼音 [duǎnlùdiànliúshìyàn]
短路電流試驗
英文
short circuit current /isc- 短 : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 短路 : [電學] short; short circuit; cutting out; direct short; short out; short pass短路保護(裝置) sho...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
- 試驗 : trial; experiment; test
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The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。The influence of stray inductance in the module circuit to turn - off transient over voltage of igct has been investigated systematically, the surge current calculation has been done by simulation, and the short circuit failure once occurred in experiment has been analyzed by computer simulation, reproduced the breakthrough failure happened in experiment by means of simulation
充分利用計算機模擬的優勢,詳細分析了模塊電路雜散電感對igct關斷過電壓的影響,進行了短路浪涌電流計算,對試驗中發生的短路故障進行計算機模擬分析,重現了試驗中出現的誤觸發貫穿短路故障現象。Test of rated conditional short - circuit current of auxiliary contact
輔助觸頭的額定限制短路電流試驗Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account
阻抗匹配平衡牽引變壓器(本文中簡稱平衡變壓器)是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器,它不同於已有的任何一種變壓器,短路電流的分析計算和短路試驗必須予以重新研究。However, the refractive index will increase with the increase of the flow ratio of sifu / nhs, slightly increase with the increase of substrate temperate, and decrease with the increase of rf power. by measuring the passivation results of hydrogen plasma and sinx thin film, we found an evident improvement of minor carrier lifetime in polycrystalline silicon after hydrogen plasma treatment, although it has little to do with the annealing temperature and time. the hydrogen contained in sinx thin film can enhance the carrier mobility of monocrystalline silicon, but after annealing at high temperature the mobility turns down
通過測試氫等離子體鈍化和氮化硅薄膜鈍化的效果,實驗還發現氫等離子體處理對多晶硅材料的少子壽命提高作用比較明顯,但是這種提高作用與處理溫度以浙江大學碩士學位論文王曉泉2003年5月及時間的關系不大;氨化硅薄膜中的氫對單晶硅的載流子遷移率提高有一定作用,但經過高溫處理后這種作用消失;氮化硅薄膜能提高單晶硅和多晶硅的少子壽命,具有表面鈍化和體鈍化的雙重作用;氫等離子體和氮化硅薄膜都能有效地提高單晶和多晶電池的短路電流密度,進而使電池效率有不同程度(絕對轉換效率0Under some conditions, short - circuit test on balanced transformers can be performed by means of 1. 5 phase supply. it is proved to be equivalent to the short - circuit fault during their operation. the test results comply with gb1094. 5 - 1985
建立一定的試驗條件,在1 . 5相電源雙臂預先短路情況下進行短路試驗,使短路試驗能夠同時滿足實際運行中發生短路時的短路電流有效值和短路電流峰值的要求,並進行試驗驗證。Method for assessing the short - circuit withstand strength of partially type - tested assemblies
部分定型試驗組件短路電流允許強度評定方法Chapter three is the trial part. the test of the every technical parameters of the trial tube has been finished in company. the test and verify of the ability of the short circuit electric
第三章為試驗部分,在公司內完成了試驗管的各項技術參數測試,並在合成迴路上進行了真空滅弧室短路電流能力開斷的試驗驗證。High - voltage alternating current circuit - breakers - guide for short - circuit and switching test procedures for metal - enclosed and dead tank circuit - breakers
高壓選擇電流線路斷路器.金屬封閉的和不通電的箱式線路斷路器短路和開關試驗設備指南The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load
試驗結果表明,該變流器具有體積重量小、變換效率高、靜態精度高、動態響應快、輸入電壓變化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。The improved novel power supply effectively fulfils all requirements provided by the currently - investigated and industrial - test prototype with the rated value of 10kv / lka and the maximum short circuit current of 6ka
改進后的新型電源更滿足了目前正在研製的10kv / 1000a 、最大短路限流6000a的工業性試驗樣機對電源的所有要求。Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well
本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算;對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。Low - voltage switchgear and controlgear assemblies ; a method for assessing the short - circuit withstand strength of partially typetested assemblies ; identical with report iec 61117 : 1992
低壓開關和控制組件.部分定型試驗組件耐短路電流強度And through simulative experiments by pspice, the analysis of the test results for short faults, open faults and transistor parameter errors in cmos and bicmos circuits are given
並通過模擬實驗,分析了動態電流檢測方法對cmos與bicmos電路中短路故障、開路故障、晶體管參數錯誤的測試情況。Alkaline zinc - manganese battery is widely used all over the world it has good performance of storage , low cost , stable discharge and convenience of carrying the sealing of the battery is a crucial factor to the performance of the battery due to the disadvantages of present sealants , leakage of electrolyte often happens what ’ s more , the sealing capability affects the performance of the battery the way to raise the sealing capability is to search for a good additive , which can improve the sealing capability through adding according to chemical principles , this article picks out ptfe and nylon66 as additive adding ptfe or nylon66 into the pitch can improve the sealing capability of the pitch at the same time , the temperature , the time , the amount of addictive , the way to drop temperature and the time of churning all should be considered by testing the constitutions , softening point , moving degree and length of needle of various pitch samples , we can compare the properties of different sealants can be studied by using of x - ray, the constitutions of the pitch can be indicated which can help us to explain these changes this article includes : testing the constitutions , soften point , moving viscosity and needle penetration of various pitches ; raising the sealing capability by adding ptfe nylon66 into the pitches ; testing the constitutions , soften point , moving viscosity and needle penetration of raised samples ; analyzing and discussing the basic principles of this method it is showed that soften point , moving viscosity and needle penetration of pitches are increased by adding ptfe nylon66 and the discharge time , initial voltage , capacity of battery with pitch raised by nylon66 are good and get to the requirement of gb t7 1 1 2 in a11 the method proposed in this article is available in practical industry use
通過測定改進瀝青的軟化點、運動粘度和針入度等指標參數來比較不同的添加劑及不同的添加條件對瀝青封口性能的影響。本論文的主要研究結果為:系統測試了多種瀝青樣品的組成、軟化點、運動粘度、針入度;對市售瀝青分別添加聚四氟乙烯乳液、有機硅樹脂和尼龍66進行改進,制備了改進產品;對改進瀝青的組成、軟化點、運動粘度、針入度進行了測試和比較;使用改進瀝青組裝成電池並對電池進行恆電流放電測試、短路電流測試和電池漏氣、漏液性能的測試;對瀝青改進的原理進行了分析和討論。實驗結果表明:在瀝青中添加尼龍66和聚四氟乙烯乳液對瀝青的封口性能有明顯的提高;通過對工藝條件的不斷改進,目前的工藝條件已完全可以用於實際生產操作;以添加尼龍66改進的瀝青為封口劑組裝成的電池完全滿足堿錳電池生產的需要,且電池電容量、短路電流等指標均達到gb t7112標準要求;本文提出的改進方案,通過驗證是一種效果好、實用性強的方法。Switch initial angel can be corrected automatically to make the peak value in each winding comply with requirements. this program has been applied for short - circuit test on all kinds of transformers
利用本文中的峰值系數曲線程序可以使短路試驗時施加的電流峰值更加準確,該程序適用於各類變壓器的短路試驗。Supplement to guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis - 8. 3. 2 : recovery voltage for terminal faults - asymmetrical short - circuit current
額定在均衡電流基礎上的交流高壓斷路器模擬故障試驗指南補充. 8 . 3 . 2 :終端故障恢復電壓.不平衡短路電流After debugging the waveform control system and man - machine interface system, we program constant - current control software and research respectively the current and voltage step response of power source. at last, the carbon dioxide welding method is realized in the welding machine controlled by the waveform control program. the simulated load test is also made here
本文在完成所設計的波形控制系統和人機介面交互系統的調試后,首先編寫軟體實現了電源的恆流控制,並研究了該電源的電流、電壓的動態響應性能,最後,編寫控制軟體實現了雙斜率波形控制co2焊的功能並進行了模擬短路過渡負載試驗。Adopting the short circuit electric current of to formate the test prove that this contact turn on and cut off performance. according to ablation situation of contact surface after testing, have analysed that coil type double - pole amf influences electric arc
採用短路電流合成試驗驗證了這種觸頭的開斷性能,根據實驗后觸頭表面的燒蝕情況,分析了線圈式兩極縱向磁場在大電流時對電弧特性的影響。By this method, the precision of the measurement is improved. in this paper, both the hardware and the software are designed according to the demand of the system. at last, the ct developed in this paper worked well through the experimental test
結合正常電流測量和短路保護的要求,本文設計並實際製作了硬體電路,為單片機系統編制了功能軟體,最後通過整體的實驗測試,其結果滿足對電網電流的測量和短路保護的要求。分享友人