電流尖峰 的英文怎麼說
中文拼音 [diànliújiānfēng]
電流尖峰
英文
current spike- 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...
- 峰 : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance
在硬體方面,選用抗干擾能力強的光電隔離電量傳感器,並採取rc濾波抗干擾措施解決中高頻干擾問題;在軟體方面,對採集到的信號量採取遞推平均值演算法,解決低頻交流和尖峰脈沖干擾問題。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。The converter has the advantages including zvs for the switches, no voltage spike across the rectifier diodes, simple circuit and constant frequency control
該變換器具有開關管電壓應力低、實現軟開關容易、副邊整流管沒有電壓尖峰等優點,適合中大功率場合。In order to eliminate the voltage oscillation caused by the reverse recovery of the rectifier diodes, a resonant inductance and two clamping diodes can be introduced to the primary side
為了消除輸出整流管的電壓尖峰,可以在原邊加入一個諧振電感和兩個箝位二極體。Too much electricity, as when lightning or other electrical disturbance affects a power line, may cause a voltage surge, or spike
電流過大,如閃電或其他電干擾影響輸電線時,可能造成電壓浪涌或形成電壓尖峰。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。Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced
由於箝位電容的加入,相對于其他類型的反激式變換器電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了輸入、輸出電流的脈動頻率,減小了輸入及輸出濾波器體積。The converter not only keeps all the characteristics of the basic zvs pwm h - fb tl converter, but also eliminates the voltage oscillation and voltage spike across the rectifier diodes in both three - level mode and two - level mode, leading to a reduced voltage stress of the rectifier diodes
本文在基本zvspwmh - fbtl變換器中引入兩只箝位二極體,無論是在三電平模式還是在兩電平模式,都可以消除輸出整流二極體反向恢復造成的電壓尖峰和振蕩,降低了輸出整流管的電壓應力。A current - doubler - rectifier ( cdr ) zvs pwm ( half - bridge ) three - level converter is proposed in this paper. zvs can be achieved for all the switches in a wide load range with the use of the energy stored in the output filter inductances. the output rectifier diodes commutate naturally without voltage oscillation and voltage spike
針對傳統(半橋)三電平直流變換器的一些不足,本文提出一種倍流整流方式pwm零電壓開關三電平直流變換器,可以使開關管在全負載范圍內實現零電壓開關,副邊整流二極體無電壓尖峰,無占空比丟失。This pck avoiding miscellanecous circuit design, reducing parts and accessd ries, lowering volume and weight largely, and strengthening operating availability : provided mith high capacity to reduce quantity of batteries andjkeep same dischange time, without replacing battery frequently ; supplying nith stable putput power fit to origins of long time unstable voltage and avoiding supplying power by kattery under not power fqilure ; this unit can be located beside computer becamse of its beautiful appearance
本系列不間斷電源是本公司最新推出的新一代方波后備式不間斷電源,專為個人電腦設計,集交流穩壓器高速后備電源及尖峰浪涌收為一體,具有體積小、功能全、效率高、性能可靠、使用方便等特點,並具有周全的自動保護功能。What have made a large amount of harmonic and high electro - magnetic interference ( emi ) has two reasons. the first reason is mainly the hard - switching pwm mode. the switch turns on at high voltage and turns off at high current in a short time ( ns ), which leads to a high du / dt and di / dt and emi
其原因一是由於硬開關的pwm調節方式,電子開關速度很快( ns數量級)在高電壓下導通,大電流下關斷,導致很高的du dt和di dt ,產生很強的尖峰脈沖,對周圍環境造成電磁干擾。Thirdly, the snubbers are designed to compress the switching voltage transient. when igbt is abruptly turned off, trapped energy in the circuit stray inductance is dissipated in igbt, causing a voltage overshoot and damaging igbt. this paper analyzes the principle of the snubber and discusses the impact of the parameters of the snubber on voltage overshoot
針對igbt工作過程中出現的電壓尖峰、電流尖峰和大的開關損耗問題,本文首先從理論上詳細分析了igbt逆變橋緩沖電路的工作原理,推導出緩沖電路各元件的參數計算公式,討論了緩沖電路各元件參數對關斷電壓波形的影響並進行了模擬分析。A current - doubler - rectifier ( cdr ) zvs pwm h - fb tl converter is proposed in this paper, the proposed converter can achieve zvs for all the switches in a wide load range with the use of the energy stored in the output filter inductance, in the meanwhile, the voltage oscillation and voltage spike across the rectifier diodes resulted by the reverse recovery are eliminated
為了消除輸出整流二極體反向恢復造成的的電壓尖峰和振蕩,同時使所有開關管在很寬的負載范圍內實現zvs ,本文提出了倍流整流方式的zvspwmh - fbtl變換器。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