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static voltage     
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  静态电压
     Researches on Static Voltage Stability in Power System Based on PSS/E
     基于PSS/E的电力系统静态电压稳定性研究
短句来源
     Static Voltage Security Assessment of Power Systems
     电力系统静态电压安全评估
短句来源
     By the model and parameter identification of the datas from the transformer substation, model of the static voltage and the reactive power is obtained.
     利用城市供电变电站实测数据,对城市负荷进行模式识别及参数辨识,得出无功功率静态电压模型;
短句来源
     Study of Static Voltage Stability of Power System Based on Power System Static Equivalent
     基于静态等值的电力系统静态电压稳定性研究
短句来源
     PROBABILISTIC EVALUATION TO STATIC VOLTAGE SECURITY OF POWER SYSTEMS
     电力系统静态电压安全问题的概率评价
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  静电压
     The dye up-take of the fiber was 87. 1% , the moisture regain 1.63% , the initial static voltage 320 V, and the static voltage half-life 1.7s.
     复合纤维的上染率达87.1%,回潮率达到1.63%,初始静电压320 V,静电半衰期为1.7 s。
短句来源
     4. The results of the properties of the antistatic polypropylene spunbond nonwovens showed when the fabrics are not finished, the intial static voltage of the fabric is 257V, after 60 second, its is 267V, there are no change.
     4.对抗静电聚丙烯纺粘非织造布的性能测试表明,抗静电整理前,织物的初始静电压为257V,60s衰减后的静电压为267V,基本没有变化。
短句来源
     And the key process parameters were analyzed, such as static voltage and polymeric concentration, both are important to the diamters of nanofibers and restrict the adjustment of another process parameters.
     对影响所得纳米纤维直径的静电压、高聚物溶液浓度等过程参数作分析,认为静电压与高聚物溶液浓度是影响试验进行的关键因素,并制约着其他工艺参数的调整。
短句来源
     But when the fabrics are finished with the complex antistatic agents, the initial static voltage of the fabric is 41V, the half life is 1.1 second.
     经研制的复合抗静电剂整理后,织物的初始静电压为41V,半衰期为1.1s。
短句来源
     It also shows that there is a K i′ threshold whose value is 9 12V. Once the static voltage exceeds the threshold, the K i′ become bigger dramatically.
     结果还表明对于表观抑制常数Ki′存在阈值 ,本实验范围内阈值约为 9~ 1 2V ,外加静电压超过阈值时 ,Ki′显著增大。
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  静电电压
     Eventually, the static voltage accumulation mathematical expression could be obtained by experiments and computation, which basically complied with the classic static physical equation.
     通过实验和计算得到了填充聚氨酯泡沫燃油箱系统的静电电压积累数学表达式,基本符合静电电压经典物理公式。
短句来源
  电压静
     Static Voltage Stability Discrimination Formula Based on Constant Power Load Model and Some Investigation on the Voltage Problem
     基于恒功率负荷模型的电压静稳判别式及有关电压问题的探讨
短句来源
     On the basis of operation schedule of East China grid in the year 1995, the system voltage static stability is analyst in this paper, including identifying the static stability margin, weak areas of voltage stability, key branches and important generating units, calculating the static voltage stability limits corresponding to the assigned system transient operation and judging the mode of system collapse. A sipeant foundation for operation monitoring and analysis of voltage stability of East China grid is provided by the analysis.
     本文针对华东电网1995年度运行方式,对系统的电压静态稳定性进行分析,包括确定电压静态稳定裕度、电压弱稳定区、关键支路和重要发电机组、求取对应于给定系统过渡方式的电压静稳极限以及判断系统失稳方式。
短句来源
     On the basis of operation schedule of East China grid in the year 1995, the system voltage static stability is analyzed in this paper, including identifying the static stability margin, weak areas of voltage stability, key branches and important generating units, calculating the static voltage stability limits corresponding to the assigned system transient operation and judging the moder of system collapse.
     根据华东电网 1995年度运行方式 ,对系统的电压静态稳定性进行分析 ,包括确定电压静态稳定裕度、电压弱稳定区、关键支路和重要发电机组 ,求取对应于给定系统过渡方式的电压静稳极限以及判断系统失稳方式 ,对华东电网电压稳定性的分析及运行监控提供了重要依据。
短句来源
     In the calculation following factors, such as the active and reactive power restraints, the change of taps of transformers fitted with on-load tap changer (OLTC) and static voltage characteristics of the loads, were considered.
     计算中考虑了发电机有功功率和无功功率限制、带负荷调压变压器分接头的变化和负荷电压静特性等因素。
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  static voltage
Calculation of static voltage - ampere characteristics of semiconductor thermistors
      
The analysis is conducted through the example of a short defect considering the static voltage test technique.
      
An improved algorithm for measurements of quasi-static voltage-capacitance characteristics (VCC) of metal-insulator-semiconductor (MIS) structures is suggested.
      
We present an optimal methodology for static voltage scheduling for low-power and high-performance systems.
      
The same method can be applied to other security areas such as static voltage security and dynamic security.
      
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In this article, the mechanism of the enhancement of neutron diffraction from KDP and TGS crystals under the action of an electrostatic field[1,2] is proposed. KDP and TGS are both proton conducting crystals. In the presence of an applied static voltage, an electric field is set up within the crystal with a certain spatial distribution. Because of the piezoelectric effect, the spacing of the reflecting crystallographic planes depends upon the spatial coordinates, thus the restriction for the angular range...

In this article, the mechanism of the enhancement of neutron diffraction from KDP and TGS crystals under the action of an electrostatic field[1,2] is proposed. KDP and TGS are both proton conducting crystals. In the presence of an applied static voltage, an electric field is set up within the crystal with a certain spatial distribution. Because of the piezoelectric effect, the spacing of the reflecting crystallographic planes depends upon the spatial coordinates, thus the restriction for the angular range of neutron diffraction should be relaxed, and enhancement of neutron diffraction results. Treating the spacings of the crystallographie planes as a function of spatial coordinates, we have derived expressions for the neutron diffraction intensity in both the laue case and the Bragg case, and estimated the order of magnitude of enhancement of the neutron diffraction resulted from inhomogeneous piezoelectric effects. Good agreement with experiment is found. New experiments for further verification of this mechanism are suggested. By the way, we remark that the above mentioned mechanism is not the dominant one responsible for neutron diffraction enhancement observed in a-LiIO3 under the action of an electrostatic field[3]. A possible micro-mechanism for a-LiIO3 may be that under the action of an inhomogeneous field, the defects assume a spatial distribution which results in inhomogeneity of spacing between the crystallographic planes and hence enhancement of neutron diffraction.

本文提出了KDP和TGS单晶在静电场作用下中子衍射增强现象的物理机理。KDP和TGS都是质子导电晶体。外加直流电压后,晶体中电场有一空间分布。由于压电效应,相关的衍射晶面间距是空间坐标的函数,造成中子衍射增强。对衍射晶面间距为空间坐标函数的情况,导出了透射方式和反射方式的中子衍射强度公式,估计了非均匀的压电效应引起的中子衍射增强的量级,和实验相符。并对进一步验证上述机理提出了新的实验建议。顺便指出,对于α-LiIO_3,在静电场作用下其中子衍射增强,非均匀压电效应不是主要因素。并提出其可能的微观机制是:在非均匀电场作用下,缺陷(包括杂质)在晶体中有一空间分布,引起中子衍射增强。

This paper investigates by means of LPY-4B induction type electrometer the (?)fluences of relative humidity, impurities and the molecules orientation of polyester fibre on the static voltage of fibre and the half decay period of charges on the fibre. There is a maximum voltage value at 45~60% relative humidity for silk, wool and synthetic fibres and the half decay period of charges quickly shortens when relative humidity increases. The voltage reduces and the half decay period shortens greatly...

This paper investigates by means of LPY-4B induction type electrometer the (?)fluences of relative humidity, impurities and the molecules orientation of polyester fibre on the static voltage of fibre and the half decay period of charges on the fibre. There is a maximum voltage value at 45~60% relative humidity for silk, wool and synthetic fibres and the half decay period of charges quickly shortens when relative humidity increases. The voltage reduces and the half decay period shortens greatly as impurities are added. The voltage rises as the molecule orientation of polyester fibre is enhanced in experimental range.

本文用LFY-4B型感应式静电仪测定了相对湿度、非纤维附着物以及涤纶纤维分子取向度对纤维静电压及电荷半衰期的影响,发现相对湿度在45~60%范围内,合成纤维、蚕丝、羊毛的静电压有最大值,各种纤维的半衰期随相对湿度增高迅速减短。当相对湿度达60%时,大多数纤维的半衰期已相当短,加上适当的非纤维附着物,可明显地降低静电压,缩短半衰期.在测定范围内,随着涤纶纤维取向度的提高,静电压增高.

Based on the characteris of the conductor in a static electric field, this paper derives the an approximate formula between static-voltage and spread-angle of static- voltmeter's foil. The formula is proved experimentally. The significance and application value of the formula are also discussed.

本文从导体在静电场中具有的特性,推导出静电计箔叶张角和电势之间关系的近似计算公式,并通过实验进行验证,以及探讨了这个公式的理论意义和实用价值。

 
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