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Solar PV Transient Mitigation using Superimposed Sliding Mode-Perturb and Observe MPPT under Varying Irradiation Conditions

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Title Solar PV Transient Mitigation using Superimposed Sliding Mode-Perturb and Observe MPPT under Varying Irradiation Conditions
 
Creator Mohanty, Ashutosh
Rout, Bidyadhar
 
Subject Boost converter
Perturb & observe
Sliding mode control
Pulse width modulation
Solar fuel
 
Description 609-615
Varying weather specifically temperature and irradiation have a significant impact on Solar Photo Voltaic (SPV) output
performance and efficiency. Both the output voltage and power are unstable due to the unwanted solar fuel variation.
Therefore, Maximum Power Point Tracking (MPPT) plays an important role in the case of SPV. Although different MPPT
techniques are imposed to mitigate the above-said issues, the Perturb and Observe (P&O) is unique in its operation and
simple to design. But when P&O comes under a sudden large variation of solar parameters, it fails to track and move away
from the Maximum Power Point (MPP). A sliding mode controller superimposed with conventional P&O known as
Superimposed Sliding Mode Controller-P&O (SISMC-PO) is proposed in this paper that improves the tracking accuracy and
tries to minimize the transient disturbance during the rapid change in irradiation. Input side capacitor current and error in
SPV voltage with reference voltage are taken as the input to the SMC whereas solar voltage and current are taken as the
input to the P&O MPPT. SISMC-PO produces highly efficient and robust control of the switching frequency with a suitable
step size that drives the switch of the DC-DC boost converter which is tested and verified by MATLAB/SIMULINK.
 
Date 2023-06-06T10:42:45Z
2023-06-06T10:42:45Z
2023-06
 
Type Article
 
Identifier 0022-4456 (Print); 0975-1084 (Online)
http://nopr.niscpr.res.in/handle/123456789/62012
https://doi.org/10.56042/jsir.v82i06.1814
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source JSIR Vol.82(06) [June 2023]