breakdown current 中文意思是什麼
breakdown current
解釋
嘩電流-
The balance sheet starts with the total cost of its fixed assets and any trade investments followed by a breakdown of net current assets.
資產負債表一開頭是公司的固定資產總額和公司的投資總額，接著是凈流動資產分類。 -
During the high - voltage device design, the thick epitaxial layer ldmos which is compatible with current technology was researched. this device used piecewise vld and multiple region structure f reduce field layer. the using of the f reduce field layer effectively reduce the surface electric field of the device, shorten the length of its drift region, enlarge the choice of range of the ion implant dose of the p layer, and effectively restrain the disadvantageously affection on the breakdown voltage of the interface charge qss
在高壓器件研究中對與現有工藝相兼容厚外延ldmos進行研究，該結構採用分段變摻雜多區p ~ -降場層，有效降低器件的表面電場，縮短器件的漂移區長度，增大p ~ -降場層注入劑量的選擇范圍，並有效地抑制界面電荷qss對器件耐壓的不利影響。 -
A series of multi - pulse experiments are performed at breakdown voltage up to 400kv, peak current up to 30ka with an interval of 5ms, which shows spark gap switch could be obtained good insulation recovery in several milliseconds under the condition of water dielectric pulse power modulator with low load
在擊穿電壓400kv ，峰值電流30ka ，脈寬40ns的工作參數下，採用吹氣的辦法（氣流速度30m / s ） ，使氣體火花開關多脈沖運行間隔達到5ms ，實驗結果與理論估計相符。 -
And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。 -
In this paper, the theory of negatively charged surface states is used to investigate dynamic breakdown characteristics and the increase of gate - drain breakdown voltage as well as the reduction of saturated drain - source current after sulfur passivation. the measure which can improve the stability of sulfur passivation is proposed
本論文通過對gaasmesfet擊穿機理和硫鈍化機理的研究，用負電荷表面態理論，解釋了gaasmesfet動態擊穿特性及硫鈍化后柵漏擊穿電壓增大、源漏飽和電流減小的機理，提出了改善硫鈍化穩定性的措施。 -
Theoretical analysis indicates, the two technology helps reduce the concentration of current, lower the peak junction - temperature, and effectively avoid the appearance of devices " breakdown caused by heat and current
理論分析表明：上述兩種技術，有利於減小電流集中現象，降低器件峰值結溫，避免熱擊穿和二次擊穿的發生。 -
Based on the breakdown model of blemish dielectrics, the dielectrics state of power cable can be monitored using measures of the loss current from the shield of power cable that is sparked by the disturbing source in power network
藉助于含有缺陷的絕緣擊穿模型，利用電力系統固有的干擾作為信號源，直接測量電纜屏蔽層的損耗電流，監測電力電纜絕緣運行狀態。 -
The influence of sinx deposited by pecvd in different condition, especially changing deposition temperature, on the gaas surface after sulfur passivation is measured by sims analysis combined with the test for direct current breakdown characteristics
用sims分析結合器件直流特性測試，比較了在不同條件下淀積的氮化硅對gaas硫鈍化表面的作用，特別是淀積溫度分別為80 、 80 / 230 、 230時對硫鈍化效果的影響。 -
The results show that the final discharge in the last half cycle decided the first breakdown in this half cycle by analyzing the sequence among three current pulses in a half cycle
實驗分析了半周期有三次電流脈沖時放電的時序關系，發現上一個半周期放電的最後一個電流脈沖決定了本半周期第一次擊穿的時間。 -
Application and principle of ground wire - selecting protection based on breakdown phase current
基於故障相電流的接地選線保護原理及應用研究 -
A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。 -
Abstract : this paper discusses the principles for selecting the breakdown decision current value in electrolyte strength test based on the structure features of electrolyte, causes and processes of electric breakdown, and human body reaction when suffering from macro electric shock risk by different electric currents, and makes supplementary analysis and explanation on the conditions of micro electric shock risk and the larger distributing capacitance in test circuits
摘要：從電介質的結構特點和產生電擊穿的原因、過程以及人體遭受不同電流宏電擊危險時的反應兩個方面，論述了電介質強度試驗中擊穿判定電流值的選取原則，並對微電擊危險和試驗迴路中存在較大分佈電容的情況，作了補充分析、說明。 -
When the rotor to ground voltage is exceed the critical oil film threshold voltage, the oil film breakdown induce a large current, and even appear electric discharge machining ( edm ) current. therefore, the lubricate interface is damaged
當電壓超過了潤滑油膜所能承受的電壓時，油膜被擊穿出現很大的放電電流，甚至出現電火花，導致潤滑界面的破壞。 -
The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one cunt per breakdown when the spark gap is open and is of the length shown above, with the current limiting impedance in series with the gap
在最底靈敏度測試的時候，應先接入上述要求的人工擊穿裝置，啟動人工擊穿裝置，使金屬板與金屬針間的火花間隙被連續擊穿20次，要求火花試驗機的擊穿計數器應記錄20次，對每次擊穿都應準確無誤地計數，不應多計也不應少計。 -
The minimum requirement for sensitivity shall be such that a succession of not less than 20 breakdowns of the spark gap shall cause the fault indicator to register neither more nor less than one count per breakdown when the spark gap is open and of the length shown above, with the current limiting impedance in series with the gap
在最底靈敏度測試的時候，應先接入上述要求的人工擊穿裝置， ，啟動人工擊穿裝置，使金屬板與金屬針間的火花間隙被連續擊穿20次，要求火花試驗機的擊穿計數器應記錄20次，對每次擊穿都應準確無誤地計數，不應多計也不應少計。 -
The paper studied withstand voltage level, influence factors, breakdown process and breakdown mechanism of covered with snow or ice through some theory calculation results, many test data and phenomena. the paper got the conclusions that withstand voltage strength of insulator covered with snow or ice descended largely, and the amount of ice or snow build - up, number of flashover, string length, environment temperature and leak current etc had obvious effects on flashover voltage values of insulators
通過大量的試驗數據和現象研究冰雪條件下絕緣子的耐壓水平、影響因素及其擊穿機理，如串長的影響、環境溫度、絕緣子形狀及冰的干濕程度、閃絡次數、冠雪量和積冰量的影響、雪的密度、氣壓和濕度的影響等，並對試驗結果與理論分析結果進行了對比，分析其是否一致。 -
The design and simulation of the circuit, which is designed to drive a power mosfet with a 500v breakdown voltage and maximum ia operation current, is implemented. the circuit can be used as a pre - regulator for electronic ballast. the ic solution also provides a voltage - regulator with the functions such as undervoltage lockout, and overvoltage protection
設計目的是使電路作為電子鎮流器的前端變換器可以驅動耐壓為500v ，最大工作電流為1a的橫向功率mos ，對整流電路的直流輸出電壓進行穩壓，並實現過壓、欠壓保護，提高用電效率，經過理論分析使經校正後的功率因數達到0 . 95以上。 -
For the first time, the energy band configuration of p - si / n - bn heterojunctions were studied and drawn up. the study of the current - voltage ( i - v ) characteristics showed significant rectifying behavior with reverse saturation current of 3. 7 x 10 ~ 7a, breakdown voltage of 30v and turn on voltage of 14v. the capacity - voltage ( c - v ) characteristics are studied too
研究了p - si / n - bn異質結的-特性，測試表明異質結具有明顯的整流特性，反向飽和電流3 . 7x10 「 』 a ，擊穿電壓高達30v導通電壓為14v ，應用p七en異質結能帶圖對其卜v特性做出了定性解釋。 -
This paper introduce current soft starters " the principle, starting modes, operating modes, stopping modes, reports of every kind of breakdown and development direction in future
本文詳細介紹了現有軟起動器的原理、起動方式、運行方式、停機方式、各種故障報警功能和未來發展方向。 -
Its operation frequency is 1. 38mhz, with an integration of a power mosfet whose breakdown voltage is up to 50v. the allowable input voltage ranges from 2. 7v to 5. 5v and its output voltage can be programmed between - 2v and - 15v, additionally, the output current is in a 200ma range in typical application. to avoid the poor efficiency of the pwm control scheme at light load, a skip - cycle - mode operation is introduced that allows system ’ s efficient operation at the light load
該電路工作頻率為1 . 38mhz ，內部集成耐壓50v的功率mosfet ，輸入電壓范圍2 . 7v 5 . 5v ，輸出電壓可在- 2v - 15v間連續可調，典型工作條件下輸出電流在200ma之內;同時，在輕負載下提供跳周期模式，具有很高的待機效率。
分享友人