1) Photovoltaic polarity inversion
光伏极性反转
2) Field-induced photovoltage symmetrically
场诱导光伏反转
3) polarity reversal
极性反转
1.
In order to analyze the electrical field distribution of the converter transformer,the simulation model of oil-paper combination is established,and the maximal field intensity positions of the insulation under different excited voltages such as DC field,AC field,superimposed AC-DC field and a polarity reversal voltage are emulated with FEM(Finite Element Method).
并在分析阀侧绕组励磁电压类型的基础上,利用有限元分析法计算了在交流、直流、交直流叠加和极性反转电压作用下的电场分布,总结了电场分布规律。
2.
Methods The transient process of polarity reversal is analyzed, considering the anisotropic property of oil immersed press board, a new finite element model based on Galerkin method is presented and verified.
方法分析了极性反转的物理过程，针对直流电场的各向异性，应用Ｇａｌｅｒｋｉｎ法建立了该类电场的有限元算法模型，并基于以上工作计算了４种典型的换流变压器端部绝缘结构中极性反转电场的分布。
3.
According to critical angle and polarity reversal of reflection coefficients, eight reflection modes are defined for converted wave and co.
根据有无临界角以及反射系数中有无极性反转,将纵波和转换波反射模式分成8种,并给出了相应的最大炮检距确定原则与方法。
4) inversion of polarizability
极化极性反转
5) umpolung reaction
极性反转反应
6) converion of solar energy
光伏转换
补充资料：下伏
1.三伏中的末伏。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条