softswitch

说明：  热力系统中将水力模型与热力模型同时考虑，使用牛顿拉夫逊算法进行分解求解。(Hydraulic model and thermal model are considered simultaneously in the thermal system, and Newton Raphson algorithm is used to solve them.)

是一个s7-200 smart与台达变频器通讯及电机控制的程序(Is a S7-200 smart and delta inverter communication and motor control procedures)

61850规约2.0版本，英文版本，求过(61850 statute 2.0 61850 statute 2 version, English version, pls permit)

大型风电场接入电网的稳定性问题研究,希望对大家有点启发( the problems of Large wind farms connected to the grid stability)

双馈风机，含轴系模型，变流器简化为受控电压源，记得先打开坐标库。(DFIG. Shaft model included. Converters are simplified as controllable voltage source.)

模拟产生雷克子波以及雷克子波的振幅谱的matlab源代码。(To simulate the Ricker wave and the amplitude spectrum.)

说明：  江苏645规约重合闸断路器控制器 模拟主站通讯(Jiangsu 645 Protocol Simulated Main Station)

说明：  it is a double circuit line simulation in pscad

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 )

基于pscad的电气化铁路对周围发电厂负序影响的割集仿真模型，倾情奉献。(Pscad electrified railway based on negative sequence power plants around the cut set of simulation models Decent.)