VGB POWERTECH 10 (2019)

VGB PowerTech 10 l 2019
Analysis of a grid integrated wind energy conversion system
Signal mag.
Mag in % of Fundametal
500
0
The anticipated and obtainable process
like PSO, FA-ANN, MFO and anticipated
procedure are offered and the values are
prearranged in Ta b l e 3 . It illustrate that
the anticipated procedure contain very
fewer proportion of harmonics to further
control process. The least THD of anticipated
regulator is 8.00 % correspondingly.
Selected signal: 25 cycles. FFT window (in red): 1 cycles
-500
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
Time in sec
9
8
7
6
5
4
3
2
1
0
Fundamantal (50 Hz)=402, THD=10.96 %
0 100 200 300 400 500 600 700 800 900 1,000 1,200
Frequency in Hz
Fig. 18. THD analysis of MFO method.
Signal mag.
200
0
-200
Mag in % of Fundametal
Selected signal: 25 cycles. FFT window (in red): 1 cycles
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
Time in sec
Fundamantal (50 Hz)=289, THD=11.47 %
6
5
4
3
2
1
0
0 200 400 600 800 1,000 1,200
Frequency in Hz
Fig. 19. 19 THD analysis of FA-ANN method.
Conclusion
In this document, the adaptive MFO-ANN
procedure is proposed to examine the grid
related WECS. At this point, the cascaded
H-bridge MLI was premeditated for receiving
the finest consequences. The voltage,
actual and immediate power blocks are investigated
by the aid of the proposed process
for the regulator deceitful progression.
Primarily, the voltage control blocks
are investigated and establish the finest
pulses for the cascaded H-bridge MLI. At
this point, the fault voltage was resolute
and synchronized the voltage by means of
the adaptive MFO-ANN procedure. The
PID regulator is refrained and diminishes
the equivalent fault task for the study progression.
The proposed MFO-ANN related
grid associated WECS was executed in
Matlab/Simulink platform. The anticipated
procedure was exploited to manage and
examine the power flow of the grid incorporated
WECS. The presentation of the
proposed process was established and distinguished
by means of the obtainable procedure
like MFO and FA-ANN procedure.
The active performance of the grid incorporated
WECS was examined like wind
speed, grid speed, active and reactive power
of grid region inverter, THD and etc. According
to the investigation, the proposed
procedure is better than the supplementary
procedure. From the consequences
study, the anticipated procedure contains a
minimization of exchanging fatalities and
THD which is proficient by the supplementary
procedure. From the acquired consequence,
the proposed adaptive MFO-ANN
related PID regulator provides enhanced
explanation for grid incorporated WECS
through diminishing the THD. Additionally,
the resolving time was as well examined
and offer enhanced voltage summary by
reason of its strong utilization competence
than the obtainable procedure. The grid
incorporated power system design accomplished
a THD of 8.00 % with optimized
design limitation which is a major enhancement
allowing for the ease of this
process.
References
[1] Hua Geng, Geng Yang, Dewei (David) Xu
and Bin Wu, “Unified Power Control for
PMSG-Based WECS Operating Under Different
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830, 2011
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Urasaki and Toshihisa Funabashi, “A
Coordinated Control Method to Smooth
Wind Power Fluctuations of a PMSG-Based
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Su, “Control Strategy of Wind Turbine Based
on Permanent Magnet Synchronous Genera-
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