A new method is introduced in this paper for field detection of the general status of oil paper insulation system by using dielectric polarization spectrum analysis.
介绍了一种利用绝缘介质极化特性在现场检测油纸绝缘总体状态的新方法。
A mathematical model of transient electric field is deduced, which takes dielectric polarization loss and displacement current into account.
推导出了考虑介质极化损耗和位移电流情况下暂态电场计算的数学模型。
Aiming at the polarization problem of dielectric superlattice field, we developed poling equipment by ourselves.
针对介电超晶格结构的特殊极化问题，自行研制了极化设备。
The effect of the polarization field on the piezoelectric and dielectric properties of PVDF films was also studied.
并探讨了极化电场对薄膜压电介电性能的影响。
It is found that the film thickness dependence of the dielectric nonlinearity is determined by that of the coercive electric field and the maximal polarization.
进一步分析发现，膜厚通过影响矫顽场强和最大极化强度进而影响铁电薄膜的电压非线性。
The piezoelectric strain coefficient and the dielectric constant of PVDF films increased, and the dielectric loss decreased with the increasing of the polarization field.
随着极化电场的升高，PVDF压电薄膜的压电应变系数升高，介电常数升高，介电损耗降低。
The dielectric behaviour of antiferroelectric lead zirconate titanate has been studied by measuring the polarization and capacitance changes with the electric field.
采用电滞回线方法和偏置直流电场中叠加小交变电场方法研究了锆钛酸铅反铁电陶瓷材料在强电场作用下的介电行为。
The dielectric behaviour of antiferroelectric lead zirconate titanate has been studied by measuring the polarization and capacitance changes with the electric field.
采用电滞回线方法和偏置直流电场中叠加小交变电场方法研究了锆钛酸铅反铁电陶瓷材料在强电场作用下的介电行为。
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