Autonomous control of active power electronics loads for frequency control of islanded microgrid

2017 ◽  
Author(s):  
Guangqian Ding ◽  
Song Zhang ◽  
Jing Shan ◽  
Feng Gao ◽  
Xin Gu
Keyword(s):  
Power Electronics ◽  
Frequency Control ◽  
Active Power ◽  
Autonomous Control ◽  
Islanded Microgrid

scholarly journals Investigations of Decoupled Trigonometric Saturated and Fuzzy Logic Techniques for the Automatic Frequency Control of Islanded Microgrid

2021 ◽  
Vol 6 (4) ◽  
pp. 144-152
Author(s):  
Mohammed Ali Alshehri ◽  
Sreerama Kumar R.
Keyword(s):  
Smart Grid ◽  
Power System ◽  
Frequency Control ◽  
Active Power ◽  
Load Frequency Control ◽  
Control Technique ◽  
Droop Control ◽  
Automatic Frequency ◽  
Islanded Microgrid ◽  
Frequency Fluctuations

This paper involves the investigation of new techniques for the automatic load frequency control of islanded Microgrids. Microgrids are being established as a part of smart grid environment. In modern power systems, smart grid represents the solution for many of traditional power system problems such as frequency fluctuations. Frequency fluctuations have negative consequences in terms of electrical equipment life, production cost and production losses relative to costumers and electricity producers. So, the frequency of power system must be kept in acceptable range. In order to operate a power system with fixed frequency, it is necessary to always maintain a balance between the generation and the consumption of active power. The frequency droop control methods are widely used to control active power and frequency of the parallel synchronous generators in the traditional power grid. At present, this method has also been applied to the control of parallel inverters to share the load demand in proportion to their ratings. In order to improve the frequency control of traditional droop control technique applied in islanded microgrid, It is proposed to investigate the Decoupled Trigonometric Saturated (DTS) and fuzzy droop control techniques on islanded microgrids which uses meshed parallel inverter systems. To verify the performance of the proposed ALFC based on Decupled trigonometric saturated controller, fuzzy PI controller the MATLAB/SIMULINK environment is used.

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