mppt

该程序计算翅片式冷凝器选型软件，制冷剂为R22,根据冷媒侧进出口参数求换热面积。比较实用的(The program calculates fin type condenser selection software, refrigerant R22, according to refrigerant side inlet and outlet parameters for heat exchange area. More practical)

说明：  高压直流输电的下垂控制 一个好用的基本模型(FourTerminalHVDC_droop)

12脉波整流模型，模拟验证关断角和换流电感关系(12-pulse rectification model to simulate and verify the relationship between turn-off angle and commutation inductance)

原创源码。P-Q方法的功率因数计算matlab仿真。(resource about P-Q method power factor calculation)

求取谐波频率，记算出各次谐波的幅值，有效值(The harmonic frequency is calculated, and the amplitude and effective value of each harmonic are calculated)

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 )

说明：  MMC简化仿真模型,单端换流阀，采用PSCAD搭建了简化的MMC电路模型，用于研究MMC工作原理。(MMC simplified simulation model, single-end converter valve, using PSCAD to build a simplified MMC circuit model, used to study the working principle of MMC.)

说明：  可借鉴用于基于Simplorer的多场耦合永磁同步电机SVPWM整理仿真。(It can be used for SVPWM finishing simulation of multi-field coupled permanent magnet synchronous motor based on Simpler.)

电力系统分析，小扰动分析，特征值计算，柔性直流输电(Power system analysis, small disturbance analysis, eigenvalue calculation, flexible DC transmission)

wind tubine modeling