Abstract
Higher penetration of intermittent renewable sources such as wind and photovoltaic systems requires an efficient way to manage the fluctuated power before injecting it into the grid. This paper proposes a fuzzy-based smoothing of the output power of wind and photovoltaic generators in a hybrid power system with batteries. The state of charge of the battery system, as well as the pitch angle of wind turbines, is used to limit the fluctuations of the injected power. A first-order filter is adaptively adjusted by incorporating changes in the battery power, state of charge, and pitch angle through the use of fuzzy logic. The proposed method is verified for different levels of state of charges, and the simulation results show that the proposed approach produces a better smoothing as compared to other methods.
| Original language | English |
|---|---|
| Article number | 2757 |
| Number of pages | 14 |
| Journal | International Transactions on Electrical Energy System |
| Volume | 29 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 2019 |
Cite this
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Fuzzy-based smoothing of fluctuations in output power from wind and photovoltaics in a hybrid power system with batteries. / Conradie, Thomas; Lamsal, Dipesh; Sreeram, Victor; Mishra, Yateendra; Kumar, Deepak.
In: International Transactions on Electrical Energy System, Vol. 29, No. 3, 2757, 03.2019.Research output: Contribution to journal › Article
TY - JOUR
T1 - Fuzzy-based smoothing of fluctuations in output power from wind and photovoltaics in a hybrid power system with batteries
AU - Conradie, Thomas
AU - Lamsal, Dipesh
AU - Sreeram, Victor
AU - Mishra, Yateendra
AU - Kumar, Deepak
PY - 2019/3
Y1 - 2019/3
N2 - Higher penetration of intermittent renewable sources such as wind and photovoltaic systems requires an efficient way to manage the fluctuated power before injecting it into the grid. This paper proposes a fuzzy-based smoothing of the output power of wind and photovoltaic generators in a hybrid power system with batteries. The state of charge of the battery system, as well as the pitch angle of wind turbines, is used to limit the fluctuations of the injected power. A first-order filter is adaptively adjusted by incorporating changes in the battery power, state of charge, and pitch angle through the use of fuzzy logic. The proposed method is verified for different levels of state of charges, and the simulation results show that the proposed approach produces a better smoothing as compared to other methods.
AB - Higher penetration of intermittent renewable sources such as wind and photovoltaic systems requires an efficient way to manage the fluctuated power before injecting it into the grid. This paper proposes a fuzzy-based smoothing of the output power of wind and photovoltaic generators in a hybrid power system with batteries. The state of charge of the battery system, as well as the pitch angle of wind turbines, is used to limit the fluctuations of the injected power. A first-order filter is adaptively adjusted by incorporating changes in the battery power, state of charge, and pitch angle through the use of fuzzy logic. The proposed method is verified for different levels of state of charges, and the simulation results show that the proposed approach produces a better smoothing as compared to other methods.
KW - battery
KW - fuzzy logic
KW - wind and photovoltaic generating system
KW - STRATEGY
KW - SPEED
U2 - 10.1002/etep.2757
DO - 10.1002/etep.2757
M3 - Article
VL - 29
JO - International Transactions on Electrical Energy System
JF - International Transactions on Electrical Energy System
SN - 1430-144X
IS - 3
M1 - 2757
ER -