谐振、准谐振或多谐振技术方案，变换器的电压电流应力较高。
However, voltage and current stress in these converters are higher.
通过对这种变换器的工作原理分析可知，主辅开关管都可以实现零电压或零电流开关，且电压、电流应力较小。
Through the operational principle it can be verified that all the switches are capable of achieving ZVS or ZCS condition, and the voltage and current stress are relatively low.
采用恒定电流应力对薄栅氧化层MOS电容进行了TDDB评价实验，提出了精确测量和表征陷阱密度及累积失效率的方法。
TDDB evaluation experiments are implemented on the thin gate oxides MOS capacitor, and a method of precise measurement and characterization the trap density and accumulative failure are presented.
通过这种设计方法，可使变换器在一定输出电压范围内平均电流应力最小，并且使变换器在一定输出电压范围内基本实现软开关。
Average current stress is minimized in a range of output voltage, and the converter can achieve ZVS in the range of output voltage.
为了尽量减小这种效应产生的电流，重要之点在于消除绝缘子上的机械应力并使用压电效应和储存电荷效应最小的绝缘材料。
To minimize the current due to this effect, it's important to remove mechanical stresses from the insulator and use insulating materials with minimal piezoelectric and stored charge effects.
某些晶体材料用作绝缘端子和连结件时，若向其施加机械应力，就会产生压电电流。
Piezoelectric currents are generated when mechanical stress is applied to certain crystalline materials when used for insulated terminals and interconnecting hardware.
压电或储存电荷效应：由于机械应力产生的电荷不平衡(从而产生了电流或电压偏置)。
Piezoelectric or stored charge effects: the creation of charge unbalances (and thus current flow or voltage shift) due to mechanical stress.
通过实验研究了闪速存储器存储单元中应力诱生漏电流(ILC)产生机理。
The generation mechanism of stress induced leakage current (SILC) in flash memory cell is studied by experiments.
分析了盐水预热器腐蚀的原因，包括盐水腐蚀、应力腐蚀、杂散电流腐蚀和温差电池腐蚀。
Corrosion reasons of brine preheater were analysed, including brine corrosion, stress corrosion, stray current corrosion and thermocell corrosion.
本文提出了一种新型的零电压零电流开关pwm推挽三电平直流变换器，其中开关管的电压应力为输入电压。
This paper presents a novel zero voltage and zero current switching (ZCS) PWM push pull three level converter in which the voltage stress of switches is input voltage.
结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。
The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
燃油焙烧在75KA预焙槽上的试验，可改善阴极电流分布和升温速度，减小热应力的产生，改善焙烧质量。
Fueling block experiment which is conducted on 75KA, to improve negative current distribution and rising temp as well as the production of the heat stress.
使用比设备或元件可以承受的要小的电流、电压或功率，以便提高延长使用寿命或减少出现由于应力而产生的故障。
Use of a device or component at a lower current, voltage or power level than it can handle, in order to give longer life or reduce occurrence of stressrelated failures.
在实施过程中，对吸除工艺，应力补偿工艺等作了改进，进一步降低了反向暗电流。
In practical process, a reduction of the reverse dark current is further obtained by improved the gettering technology, stress compensation technology, etc.
因此，对高温超导体的交流损耗及临界电流与应力-应变的关系的研究具有重要的现实意义。
Therefore, the critical current and AC losses of HTS tapes are directly related to tensile stresses and strains, and it is necessary to investigate their correlations.
由于采用了一种新型的低损耗无源缓冲电路，开关管和主二极管的电流电压应力较小，并降低了能量损耗，提高了工作效率。
Since the novel low-loss passive snubber circuit is used, the low current and voltage stress, low energy loss and high efficiency properties are achieved.
本文讨论了用于测量应力-时间历史的短路电流石英传感器的原理，设计及标定问题。
The principle, design and calibration of piezoelectric current quartz-gauge, used for measuring stress- time history in solids are discussed in this paper.
对加速性应力试验，所选的负载电阻要能够吸收比电源额定值较高的电流。
For accelerated stress testing, the load resistance may be selected to draw a level of current higher than the rated current of the power supply.
为了使磁光式光电电流互感器实用化，研究了影响它精确度的主要因素：温度和应力。
The effects of temperature and stress on the measurement accuracy of magneto optical current transducer were deeply studied, in order to promote its practical application.
在这两种应力条件下，应力导致的漏电流与时间的关系均服从幂函数关系，但是二者的幂指数不同。
Under both stress conditions stress induced leakage current follows a power law against stress time with different power factors.
它具有辅助电路简单，辅助电路的电感、电容和二极管的电流电压应力小，副边占空比损失小等优点。
This auxiliary network has the advantages such as its circuit is simple, the current stresses and voltage stresses on its components are small.
用数值模拟方法研究了金属裂纹尖端电磁应力的分布情况，给出了电流分布、磁场分布和电磁应力的分布。
The electromagnetic force acting on the crack in a metal is studied by numerical simulation method. The distributions of electric current, magnetic field and the electromagnetic stress are given.
通过三电平拓扑和传统两电平拓扑电路的对比分析，得出了相同先决条件下这两种拓扑中开关管电压应力和电感电流可减小的幅度。
By analyzing the current ripple of the inductor and voltage stress of switches at the same conditions, the reduced value of the current ripple and voltage stress with three-level topology can be got.
铜母线和母线支柱应能承受50千安及以上的三相对称短路电流所产生的电应力。
Copper busbar and busbar column should be able to sustain electric stress generated by electric current of three-phase symmetrical short-circuit of 50 kiloampere and above.
其次，本文分别研究了FN隧穿应力和热空穴（HH）应力导致的超薄栅氧化层漏电流瞬态特性。
Secondly, the transient characteristics of FN tunneling and hot hole (HH) stress induced leakage current (SILC) in ultra-thin gate oxide are investigated respectively in this dissertation.
讨论了电磁热裂纹止裂时脉冲放电瞬间的电流、温度和热应力的耦合关系。
The coupling of current, temperature and stress has been proposed in crack arresting by the electromagnetic heat effect at the moment when a pulse current is switched on.
分析结果可作为进一步讨论电流变液屈服应力以及临界电场强度的基础。
The result can be used in further study about the yield-stress and critical electric field strength.
通过试验，讨论了脉冲电流电参数对镍铸层内应力的影响；
The effect of pulse current parameters on the internal stress of electroformed layer is discussed based on the test.
通过试验，讨论了脉冲电流电参数对镍铸层内应力的影响；
The effect of pulse current parameters on the internal stress of electroformed layer is discussed based on the test.
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