four_gen_DC

HLDZ系列回路电阻测试仪是测量断路器、母线连接处、母线上接触部件和其它流经大电流接点的导电回路电阻及冶金部门测试两种不同金属面接触电阻的可靠性高的通用测试仪器。 技术指标 1、输出电流：　　　　 ≥３００Ａ 2、分辨率：　 ±１　微欧 3、测试范围： ０—２０００　微欧 4、测量准确度：　　　　 0.5％　 (HLDZ series loop resistance tester is a measure of circuit breakers, busbar joints, bus parts and other exposure to a large current flows through the contacts of the conductive loop resistance and metallurgical sector test two different metal surface contact resistance and high reliability of the general test equipment. Specifications 1, output current: ≥ 300A 2, resolution: ± 1 micro Euro 3, Range: 0-2000 micro Euro 4, the measurement accuracy: 0.5 )

三相异步电机的调速特性分析，弱磁调速，变频调速，降压调速。记得要改仿真路径！(Phase induction motor speed control characteristic analysis, weak magnetic speed, frequency control, blood pressure governor. Remember to change the path simulation!)

9节点系统故障分析，PSAT模型 9节点系统故障分析，PSAT模型9节点系统故障分析，PSAT模型9节点系统故障分析，PSAT模型(9 nodes power system fault analysis, based on the PSAT 9 nodes power system fault analysis, based on the PSAT9 nodes power system fault analysis, based on the PSAT)

说明：  电力电子基础内容，整流部分的单相半波整流电路(single-phase half-wave)

ansys apdl语言的经典例子，多数用在结构分析上，尤其是在振动计算，疲劳分析上有多个例子。(ansys apdl examples)

《Turbulence models and their application》的附录程序，经典K-ε湍流模型的绝佳教材。(《 Turbulence models and their application》 in the appendix procedure, the classical K-ε turbulence model is an excellent teaching materials.)

本程序为水蒸气物性参数函数源代码。通过它可以方便的进行常用的热力计算。(This program is a function of the physical parameters of water vapor source code. Can easily be used to calculate the heat through it.)

用来设计和计算钻杆和接头的各个性能，具有一定的参考价值。(Used to design and calculate the drill pipe and joints of the various performance, with a certain reference value.)

说明：  气藏物质平衡分析软件，辅助进行气藏数值模拟(Material balance analysis software of gas reservoir to assist in numerical simulation of gas reservoir)

matlab编写的基于粒子群优化算法的多目标优化，可以处理电力系统优化问题(matlab write PSO-based multi-objective optimization, can handle the power system optimization problems)