I_search_test

说明：  实现三相并网逆变器的SPWM控制，可应用于光伏逆变器中(SPWM control of three-phase grid-connected inverter can be applied in photovoltaic inverter)

轴系扭转振动的matlab计算,将采集的脉冲信号转化成扭转角。(torsional vibration)

异步电机速度、电流、磁链闭环控制，电流控制采取滞环控制，动态跟踪效果较好。(The closed-loop control of speed, current and flux of induction motor and hysteresis control of current control have good dynamic tracking effect.)

说明：  微网系统 分布式电源 pscad环境中运行，显示电网各种参数(microgrid、Distributed power 、pscad )

石油测井-DLIS数据的解码。标准的POSC协议。 包含DLIS内部各种数据可视化，转换为LAS等格式或自由文本格式，还有Borehole Image的可视化。(Decode DLIS well-data。 Include Borehole image and all kinds of well log to viewer. Export ASCII text for example LAS-Format)

说明：  海水要素计算程序包，可以计算海水压强、密度等要素(It can calculate the pressure and density and so on of sea water)

这个程序主要用于计算电力系统的潮流，进而了解电力系统的运行状态。(This procedure used to calculate the power flow, and then understand the power system operating state.)

说明：  电力系统中短路故障导致的电压暂降的理想波形输出模型(Ideal output model of voltage sag caused by short circuit fault in power system)

说明：  线路自动重合闸，三相和单项短路后，又重新恢复正常。(After three-phase and single short circuit, the line will return to normal again.)

vumat 代码，用于abaqus explicit 金属塑性伤害模拟(vumat subrountine for abaqus explicit ,the hill parameter is to set 0.5 and 1.5 by default.)