飽和電感 的英文怎麼說
中文拼音 [bǎohédiàngǎn]
飽和電感
英文
saturate inductance- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 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...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
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A new detection method of current transformer ' s saturation
電流互感器飽和檢測的一種新演算法The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network
它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;抗電磁干擾性能強;無油化結構、絕緣可靠、價格低等優點;是未來電流互感器發展的方向,是新一代電力數字網發展的需要,適應電力計量和保護數字化、微機化和自動化發展的潮流。Saturation overvoltage failure and eliminating measures for potential transformer
電壓互感器飽和過電壓事故及消除措施The secondary current will be distorted when the ct undergoes saturation, which will bring some influence on the distance relay inevitably. furthermore more and more people pay attention to this problem
飽和后的電流互感器二次側輸出電流產生畸變,不可避免地對距離繼電器造成一定的影響,而且這個問題越來越受到保護工作者的重視。The steady state saturation and transient state saturation of the current transformer are theoretically analyzed and simutated under different burder at secondary side
針對二次側不同的負載,對電流互感器的穩態飽和與暫態飽和做出理論分析和模擬。The bus differential protection based on instantaneous values of currents is the most useful scheme nowadays. but it is easy to be influenced by current transformer saturation and to make misoperation
目前微機保護最常用的方法是電流瞬時值差動保護,這種方法受電流互感器( ta )飽和的影響而容易誤動。On the other hand, the harmonic and surge current in capacitor banks is restrained so that the capaci - tor is protected by reactor. since this type of reactor has a dry - type air - cored structure, no - core structure without ferromagnetic induc - tion effect, it is provided with the feature of good linearity and low noise, so that the product is convenient for maintenance and ope - ration in all weather
該型電抗器採用乾式空心結構,維護簡單,運行安全,無鐵心,不存在鐵磁飽和,電感值不會隨電流變化而變化,線性度好,噪聲低,適合全天候條件下運行。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。The advantages of simple structure, good linearity, no magnetic saturation, widely measure band make it fit sample in optical - electric current transformer nicely. while, there also have many new problems in applying rogowski coils
Rogowski線圈不僅具有結構簡單、線性度良好、無磁飽和、測量頻帶寬、動態范圍大等優點,而且體積小、重量輕,非常適合混合式光電電流互感器的取信號采樣繞組用。There is electromagnetic saturation in traditional cts, so the traditional ct ca n ' t meet relay protection in some situation
傳統電磁式電流互感器由於有磁飽和現象,很多時候滿足不了保護裝置的需求。Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design
首先,從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發,得出其基本電路方程式,並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響,相電流對磁路飽和效應的影響,為車用永磁發電機的優化設計提供了理論依據。1. since this type of reactor has a dry - type air - cored structure, which will prevent leakage and burning so as to maintenance easily and operate reliably. no - core structure without ferromagnetic induction effect so that it is provided with the feature of good linearity and low noise
1 .電抗器採用乾式空心結構,避免油浸式電抗器發生漏油易燃等缺點,維護簡單,運行安全,無鐵心,不存在鐵磁飽和,電感值不會隨電流變化而變化,線性度好,噪音低。This paper gives the fundamental equation of electric circuit of switched reluctance generator ( srg ). the phase flux linkage, indutance and phase current of srg are discussed based on unsaturated magnetic circuit
給出了開關磁阻無刷發電機的相電路基本方程,分析了基於不飽和磁路條件的相磁鏈、相電感和相電流。Referring to a plentiful literature all over the world, it chooses a full - bridge shift phase converter circuit topology with a capacitance can insulate direct current and an saturation inductance in the origin side
在參閱了大量國內外文獻的基礎上,選取了一種原邊加隔直電容和飽和電感器的單相全橋移相軟開關變換器拓撲結構。In this thesis, the tradition phase - shift full - bridge zvs dc / dc converter are analyzed, and then a new dc / dc full - bridge converter employing switches clamping in secondary side of transformer is proposed, and the converter employing saturable inductor clamping are studied, and zvs ( zero - voltage - switching ) can be easily achieve by experiment validate
本文分析了一些傳統的移相全橋軟開關變換器,提出了開關管箝位dc dc全橋變換器拓撲方案,並對飽和電感器箝位dc dc全橋變換器進行了研究,並進行實驗驗證,從而解決了開關管的零電壓開關問題。Among them, phase shifted ( ps ) full bridge ( fb ) zero - voltage - switched ( zvs ) pulse - width - modulated ( pwm ) dc / dc converter has strong competitive power in big power capacity fields. but it has some limitations such as smaller load range with zvs and larger circulation energy. the ps - fb - zvs - pwm dc / dc converter with a saturable inductor utilizes saturable inductor s critical saturable current characteristic and storage energy, to enlarge load range with zvs and improve output efficiency under light load
其中,移相控制零電壓開關脈寬調制dc / dc全橋變換器在大容量領域很有競爭力,但它具有實現零電壓開關負載范圍小,循環能量大等限制,帶飽和電感的移相控制零電壓開關全橋變換器利用飽和電感的臨界飽和電流特性及儲能,來擴大零電壓開關( zvs )的負載范圍,提高輕載時的輸出效率,具有非常重要的研究價值。It has very important research worth in this thesis, the ps - fb - zvs pwm dc / dc converter with a saturable inductor is deeply studied in detail
論文對帶飽和電感的移相控制零電壓開關全橋變換器進行了深入的研究。The following is the main point : based on the operation principle of the ps - fb - zvs - pwm dc / dc converter, the thesis researches the transient operation of the ps - fb - zvs - pwm dc / dc converter with a saturable inductor, and comprises the characteristic between them, and verify theory analysis above by computer simulations
本論文研究的主要內容如下:論文在分析移相控制零電壓開關全橋變換器工作原理的基礎上,對帶飽和電感的移相控制零電壓開關全橋變換器的暫態工作過程進行了研究,並對它們之間的特點進行對比,模擬驗證了上述理論分析。The thesis analyses the effect of phase shift control and the utilization of the transformers primary sides saturable inductor to the transformers secondary sides voltage duty cycle, and basic on the buck converter s small signal ac model the converter s model is deserved, and infers control to output transfer function
論文通過分析移相控制方式和高頻變壓器一次側的飽和電感對高頻變壓器二次側方波電壓占空比的影響,在buck變換器小型號模型的基礎上建立了帶飽和電感的移相控制零電壓開關全橋變換器的小信號模型,推導出控制到輸出的小信號傳遞函數。Saturable inductance is introduced to eliminate the voltage swing and overshooting on the output rectifier diodes, then discusses its parameter design in detail ; find out the mechanism of the body diode ' s reverse recovery effect of the chopping switches, give out several relevant solutions and verified by experiments
為了消除輸出整流二極體上的電壓尖峰和振蕩,同時為了使滯后橋臂的開關管能夠在寬負載范圍內實現軟開關,給輸出整流二極體串入了飽和電感,給出飽和電感的設計方法。分享友人