Variable Step-Size MPPT Control based on Fuzzy Logic for a Small Wind Power System

2012 ◽  
Vol 17 (3) ◽  
pp. 205-212 ◽  
Author(s):  
Dae-Keun Choi ◽  
Kyo-Beum Lee
Keyword(s):  
Fuzzy Logic ◽  
Power System ◽  
Wind Power ◽  
Variable Step Size ◽  
Step Size ◽  
Variable Step ◽  
Wind Power System

A fuzzy-logic based auto-scaling variable step-size MPPT method for PV systems

Solar Energy ◽  
2016 ◽  
Vol 126 ◽  
pp. 53-63 ◽  
Author(s):  
Yie-Tone Chen ◽  
Yi-Cheng Jhang ◽  
Ruey-Hsun Liang
Keyword(s):  
Fuzzy Logic ◽  
Variable Step Size ◽  
Step Size ◽  
Pv Systems ◽  
Variable Step ◽  
Auto Scaling

Power System Stability Computer Simulation Using a Differential-Algebraic Equation Solver

2005 ◽  
Vol 4 (2) ◽  
Author(s):  
Jose Eduardo Onoda Pessanha ◽  
Osvaldo Saavedra ◽  
Alex Paz ◽  
Carlos Portugal
Keyword(s):  
Computer Simulation ◽  
Power System ◽  
Time Domain ◽  
Differential Algebraic Equations ◽  
System Stability ◽  
Variable Step Size ◽  
Variable Order ◽  
Differential Algebraic Equation ◽  
Step Size ◽  
Variable Step

The preset work tested a freely domain software for solving index zero and one systems of differential-algebraic equations, named as DASSL. The code encompasses an efficient variable step size and variable order based on BDF methods to solve a system of DAEs or ODEs. The code was applied in power systems time domain studies, i.e., synchronous machine angular transient stability and long-term voltage stability, using the Brazilian South-Southeast Equivalent Power System. Using this real power system model including fast and slow response control devices, it was possible to investigate the code capability in simulating different stability phenomena in the same run. The variable step size and variable order algorithm implemented in DASSL results in a very powerful tool for power system time domain computer simulation.

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