然后采用时域仿真法与复转矩法相结合的方法,在MATLAB/SIMULINK对其电气阻尼进行分析,得到控制器参数、触发角大小都对其阻尼产生一定的影响。最后在PSCAD/EMTDC软件上... 王敏华 - 西南交通大学 被引量: 4发表: 2014年 基于遗传算法的HVDC系统控制参数优化 高压直流输电技术以其大容量远距离输电,交流系统之间的异步互...
fuzzy PI controllerself-tuningMPPTGCPSpv arrayPSCAD/EMTDCThis paper presents the mathematical model of the pv array and analyzes the structure of a three-phase grid-connected PV generation system (GCPS). In order to get better waveforms of grid current, a fuzzy self-tuning PI controller is ...
2 利用PSCAD软件对电流互感器性能进行仿真分析 2.1 仿真模型的建立 本文利用PSCAD软件搭建了针对低压380 V电动机运行时定子绕组故障的简单模型,如图2所示。 由于常用的电磁暂态仿真程序PSCAD中,没有提供一个较为完善的保护用电流互感器模型,而其自带元件库中使用较为广泛的是基于Langevin函数的JA模型[8]。为模拟实际...
Large number of non-linear loads results in voltage imbalance problems.This may damage consumer appliances and increased fault levels. The proposed system employs PI controller for voltage instability problems.PSCAD platform is used for simulation. The proposed system has been investigated for short ...
fuzzy PI controllerself-tuningMPPTGCPSpv arrayPSCAD/EMTDCThis paper presents the mathematical model of the pv array and analyzes the structure of a three-phase grid-connected PV generation system (GCPS). In order to get better waveforms of grid current, a fuzzy self-tuning PI controller is ...
PI controllerGrid-tied distributed generation (DG) system-based renewable energy sources such as wind, sun and hydrogen have recently gained a large attention due mainly to environmental issues. In this study, to provide energy for various loads, it is connected to the common direct current bus ...
A proportional plus resonant (PR) controller design is proposed to overcome these drawbacks. PR controller is said to obtain good tracking, low THD, less settling time, and less steady-state error in the output voltage. The grid voltage and current are said to be in phase during G2V mode...
To evaluate the controller system capabilities, simulation analyses are performed on a model system composed of two wind farms connected to an infinite bus. The simulations have been performed using PSCAD/EMTDC. Simulation results show that the proposed control fluctuating wind speed compared with ...
Sliding mode controllerTotal harmonic distortion (THD)In this work, design and analysis of different controllers for bidirectional converter used in grid-to-vehicle (G2V) and vehicle-to-grid (V2G) modes of operation of an electric vehicle (EV) are presented. Various types of battery charging ...