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The analysis of unsymmetrical faults is similar to that of symmetrical faults, except that in the case of unsymmetrical faults, the three-phase power system is represented by its sequence networks i.e zero, positive and negative sequence. Also, the e
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基于C#+winform开发的“回文判定”程序：对于一个从键盘输入的字符串，判断其是否为回文。回文即正反序相同。如“abba”是回文，而“abab”不是回文。此判定程序包含了三种判定方法：1、根据数组元素；2、利用栈先进后出，队列先进先出的特点3、分段检测。（已给出完整的代码注释）-Based on C#+ winform development "palindromes judgement" program: for a keyboard input from the string, deci
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题意就是给你四个数，运用算术运算，找出它的所有可能值的连续最长的起始值和终了值，如果有想同的最大长度，输出较大的。-Challenge 24 is a popular mathematics game used in many grade schools. In each game, contestants are given a card with four positive integers i1, i2, i3, i4 on it, and the first one who can us
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用于电力电子系统同步信号检测或故障分析的对称分量法正负序分离-Symmetrical components for the power electronics system synchronization signal detection or failure analysis of positive and negative sequence separation
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实验1-顺序和分支结构的10个小程序：求三个数的中最大的数；求三角形面积；求不多于4位数的个、十、百、千位数；时间表；计算本息和；华氏温度和摄氏温度转换；求四个数的中最大的数；判断正负奇偶；成绩自费公费；加减乘除运算-Experiment 1- sequence and the structure of the branch of 10 small program: the biggest number in the number of three Triangle area For no
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通过相应的选择可以提取出正序、负序、零序的电压电流-Positive, negative and zero sequence voltage-current extraction module
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电网同步跟踪技术，自己搭的锁相环,可以运行出来。有频率跟踪，还有正负序分离-Grid synchronization tracking technology, take their own phase-locked loop, you can run out. There is frequency tracking, there are positive and negative sequence separation
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对SVG进行MATLAB建模，采用正负序电流检测方法，电压环采用pid控制方法。(The MATLAB is modeled by SVG, the positive and negative sequence current detection method is adopted, and the voltage loop adopts PID control method.)
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实现电压的正负序分离，进而进行不对称故障情况下的有功功率控制(The positive and negative sequence separation of voltage is realized, and the active power control in the case of asymmetric fault is carried ou)
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讲述并网逆变器中全软件锁相环的设计与实现，，即检测基波正序分量的电网电压不平衡和扭曲的条件下。明确地,提出了一种积极的基于一种新的序列检测器双同步坐标系的解耦锁相环（双dq–PLL），完全消除了检测误差传统的同步参考框架（SRF–锁相环PLL）(and implementation of all software phase-locked loop in grid connected inverter is described, that is, detecting the positive a
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在电压不平衡时，进行锁相，与正负序分离，对负序分量进行处理，效果不太理想(When the voltage is unbalanced, phase-locked is carried out to separate the positive and negative sequence)
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