饱和电压
- 网络saturation voltage;VCE;Vsat;VCEsat
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实验中利用扫描电镜和偏光显微镜,研究了铁电液晶盒内形成的聚合物网络具有指向性,其饱和电压为5V,完全可以与TFT相结合实现显示器的连续灰度。
With the scanning electro microscope ( SEM ) and the polarized optic microscope , the orienting of the polymer network formed in FLC was investigated . Its saturation voltage is 5V , which combined with the thin film transistor ( TFT ) will realize a continuous grey level display .
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胆甾相液晶显示单元的反射光谱带宽随着甲基丙烯酸乙二醇酯的含量增加而增大,但是饱和电压也随之增大,对比度在减小。
The reflection spectra of display cell widened along with the concentration of ethylene glycol dimethacrylate increasing , but the saturation voltage increased and contrast reduced .
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UC3770A/B是一种高性能全桥驱动芯片,可提供更高的工作电流和更低的饱和电压。
The UC3770A / B is high-performance full bridge drivers .
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其最终的成果就是这样的产品,可以提供高级功能集成、减少系统备用电源、并降低输出饱和电压。
The end result are products that offer higher levels of function integration , lower system stand-by power , and lower output saturation voltages .
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根据θ满足的微分方程和边界条件,研究了液晶盒的基本性质,包括阈值电压和饱和电压。
Applying the differential equation and boundary condition of the director tilt angle θ, the essential characters are discussed , which include the threshold voltage and the saturation voltage .
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结果表明实际器件导通电压、偏移电压及饱和电压较大的原因主要是高基区电阻和基区接触的非欧姆特性,为器件的工艺制造提供了理论指导。
Simulation results show that the high turn-on , offset , and saturation voltages of the practical device result from the high base sheet resistance and the nonohmic characteristics of the base contact , which are a reference for the device fabrication .
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对±500kV直流输电系统换流变压器投入时涌流所产生的暂态饱和过电压进行了数值模拟;
A mathematical model for the transient saturation overvoltage caused by the converter transformer magnetizing inrush current in a ± 500kV HVDC transmission system has been developed .
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电压互感器饱和过电压事故及消除措施
Saturation Overvoltage Failure and Eliminating Measures for Potential Transformer
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主磁场饱和对电压源逆变器&感应电动机传动系统稳定性的影响
Main-Flux Saturation Effect on the Stability Analysis of a Voltage Source Inverter & Induction Motor Drive
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电力系统压变饱和过电压的分析(Ⅱ)
Analysis on the Overvoltage Caused by the Saturated Characteristic of Potential Transformers in Power System (ⅱ)
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高压直流输电系统换流变压器暂态饱和过电压研究
The Transient Saturation Overvoltage Caused by the Magnetizing Inrush Current of the Converter Transformer in HVDC Systems
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研究表明,适量加入甲基丙烯酸丁酯有利于降低阈值电压、饱和驱动电压。
It is demonstrated in this paper that the addition of butyl methacrylate do good to reduce the driving voltage .
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完成光电转换特性曲线、灵敏度、不均匀性、饱和输出电压、动态范围、功耗等主要的性能参数进行测试,并进行了数据分析。
Be finished the test items are curve of optical to electronic conversion , sensitivity , nonunity , saturation output voltage , dynamic range and power consumption , etc.
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分析了制作条件对聚合物分散液晶膜电光特性的影响,尤其是对饱和驱动电压和对比度的影响。
Then , this paper analyzes different factors ' influence to the Electro-optic characteristics of the PDLC film under various creation conditions , in particular to saturated slaving voltage and contrast degree influence .
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电压互感器铁芯饱和谐振过电压的分析及预防措施
Analysis of Iron-core Saturation Resonance Over-voltage on Voltage Mutual Inductor and Its Precautionary Measures
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结果表明,该三极管驱动电压低,呈不饱和电流-电压特性。
Experimented results show that the transistor has low driving voltage and no-saturated current-voltage characteristics .
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采样前对被测电量进行真有效值变换,避免了试验中互感器铁芯磁饱和时,电压、电流波形的畸变对测量准确性的影响。
The RMS / DC transform before sampling avoids the influence of voltage / current waveform distortion on measurements , which is caused by the iron core saturation of transformer .
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故可得出结论:在中性点绝缘系统中,因电磁式电压互感器饱和引起的过电压现象属于工频位移过电压。
Therefore , the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage .
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退火后肖特基势垒高度提高,在减小栅泄漏电流的同时对沟道电子也有耗尽作用,这是饱和电流和阈值电压变化的主要原因。
The elevation of the schottky barrier height after annealing causes the reduction of gate leakage and the more depletion of channel electrons , which also leads to the change of the saturation current and the threshold voltage .
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结果表明,从50-1000V的范围为饱和区;在饱和区内工作电压较高时收集效率高;
The experimental results showed that the saturation voltage ranged from 50 to 1000V , and a higher collection efficiency was obtained at higher voltage in the saturation area .