查询词典 phase constant

See "e-paper" on page 1986, a concept of "Open-phase Motor Protection Discussion Summary," International Electrotechnical Commission to IEC202-1 low-voltage motor starter ② set out by the two-phase motor rated current up to 1,15 times rated current , while the third phase by 0.9 times the rated current to 0, the starter should be in action within 2h.

见《电子报》1986年1观页《电动机断相保护讨论小结》入国际电工委员会IEC202－1低压电动机起动器）中规定之②在电动机两相由额定电流升至1、15倍额定电流，而第三相由0.9倍额定电流降至0时，起动器应在2h内动作。

The following functions can be realized: Measuerment:the effective values of three phase current and voltage, power frequency, active power, reactive power, power factor etc. Motor control: direct starting, converse starting, star and triangle starting, self-starting. Protection:thermal overload protection, current leakage protection, open-phase protection, three-phase unbalance protection, over voltage protection, loss voltage protection, low load protection and fault warning and fault dates memory. Communication: communication of the computer in control room and the microcomputer monitor in the spots is realized by the interface of RS-485. The motor is not only controlled in the spots but also in control room. The dates, information and some functions are shared by the spots and control room too.

该电动机监控器以80C196KC单片机为核心，通过采样三相电流﹑电压信号来实现以下功能：三相电流﹑电压有效值，电网频率，有功功率，无功功率及功率因数等的测量；对电动机实现直接、正反转、星三角及自起动控制；对电动机实现热过载、漏电、断相、三相不平衡、过压、欠压及轻载保护，对故障进行报警及数据记忆；通过RS-485串行接口与中央控制室计算机实现通信功能，对电动机既可本地，也可远程控制；实现控制现场与控制室之间数据、信息、功能共享。

Phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map, which shows the result is correct.

4对于低噪声情况下或滤波后的干涉条纹图，在基于边缘检测的相位解缠过程中，利用Snake模型可以高效准确的实现边缘点的连接，所连接的边缘线与干涉条纹很好的吻合，可将连线的精度控制在三个像元。

A GVF snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4Phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map.

对一幅干涉相位图的滤波结果表明，该算法很好的抑制了斑点噪声，极大的降低了残余点的数量，保持了条纹边缘和相位细节信息，并使绝对相位保持在一定的动态范围。

Double-frequency three-phase bridge converter in three phase power factor correction, three-phase active power filter are studied theoretically and experimentally.

本部分研究内容提出的双频变换器理论，申请人和导师合作分别于2006、2005年申请成功国家自然科学基金项目&高效率高性能双频变换器理论及其控制&(50677071)、教育部博士点基金项目&双频变换器理论及其应用&(200611012)和重庆市自然科学重点基金项目&新型高效电能变换技术理论及控制研究&(2005BA6017)，发表相关论文9篇。

This method can be applied to any thermodynamic model, including activity coefficient model and EOS model, and this work extends phase analysis from liquid-liquid phase splitting to liquid-liquid-vapor phase splitting.

经多个实例的测试表明，LCPSO适用面广，既可用于超额自由能、状态方程等各类热力学模型，又能克服混合模型一阶不连续的困难，应用范围从液液相分裂拓展到汽液液相分裂。

Splitting the phase stability diagram into four topological structures and using the phase mark method, a new approach was built up to calculate the phase stability diagrams of ternary systems with stoichiometric binary and ternary compounds.

摘 要：概述了金属-Si-C体系界面反应和相稳定图的研究近况以及用Thermo-Calc软件计算相稳定图的局限性；阐明在相平衡条件下由化合物的Gibbs生成自由能计算活度的原理。

In aspect of investigation on the binary phase splitting grating, Dammann grating, rectangle grating and also coordinate-phase modulate grating have been studied respectively. Detail analysis shows that the grating phase angle can inflect greater than coordinate to the splitting efficiency and equality rate.

在对二元位相型光学分束光栅的研究方面，在本论文对Dammann光栅、矩形孔径光栅以及坐标位相调制型光栅分别进行了研究，通过对光栅设计参数的变化对分束效率、分束均匀度的影响的分析可以发现光栅位相角对分束效率及分束均匀度的影响要比突变点坐标的影响大得多。

By the conventional unsymmetrical method and its negative-sequence network of fault calculation,this paper calculates negative-sequence current in open phase with one phase open or one phase closed of generator transformer broken.

1问题的提出目前国内从事发电的继电保护技术人员针对发变组启动失灵保护负序判据整定各有不同的看法，主要是需要考虑在启停机过程发生非全相失灵的情况。

Firstly, MESH equation was established by means of phase equilibrium of each component. Simultaneously, with a view to the strong nonideal liquid phase of alcohol－water－benzene system, M－H EOS state equation was used to determine gas phase fugacity and heat enthalpy. And relaxation method was applied to compute the composition of ternary components on each theoretical tower plate.

首先针对恒沸精馏塔利用各组分相平衡关系建立MESH方程，同时考虑到乙醇－水－苯体系具有很强的非理想性的液相，利用马丁－侯81型状态方程确定气相逸度和焓，采用松弛法计算得到三元组分在各层理论塔板上的组成情况。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。