Abstract
Plentiful accessibility of fuels, non-erratic, reliable performance, low maintenance, low cost and high life are the significant factors for solar-PV-powered water pumping scheme for irrigation applications. It is highly used in irrigation system for cultivation where the utility-grid is non-available, hilly areas, forests, etc., by utilizing solar source with energy conversion methodology. However, the performance of overall irrigation scheme relies on energy conversion methodology by using feasible DC–DC converter. In this paper, a novel non-isolated switching cell type DC–DC converter has been proposed for acquiring greater performance of Brushless-DC motor to lift the water from ponds or canal through submersible pump. This observation is clearly presented and validated under steady-state condition by using Xilinx FPGA SPARTAN-6 hardware prototype; results are carried out and compared with various converter topologies.
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Abbreviations
- I phv, V PVv :
-
SPV current (A), SPV voltage (V)
- P PVv :
-
SPV power (W)
- I sv :
-
Reverse-saturation’s diode current (A)
- N :
-
Diode’s ideality factor
- q :
-
Charge constant
- K :
-
Boltzmann’s constant
- R shv/R sv :
-
Shunt/series resistances of SPV cell (Ω)
- T :
-
Temperature
- L a 1, L b 2 :
-
Main inductors of converter (mH)
- C a 1, C c 3 :
-
Main capacitors of converter (µF)
- D a 1, D b 2 :
-
Main diodes of converter
- L c 3 :
-
Sub-cell inductor of converter (mH)
- C b 2 :
-
Sub-cell capacitor of converter (µF)
- D c 3 :
-
Sub-cell diode of converter
- C o :
-
Output capacitor of converter (µF)
- D c 4 :
-
Output diode of converter
- i La 1, i Lb 2 :
-
Current flowing through main inductor (A)
- i Lc 3 :
-
Current flowing through sub-cell inductor (A)
- V La 1, V Lb 2 :
-
Voltage across main inductor (V)
- V Lc 3 :
-
Voltage across sub-cell inductor (V)
- V ca 1, V cc 3 :
-
Voltage across main capacitors (V)
- V cb 2 :
-
Voltage across sub-cell capacitors (V)
- V in ,c :
-
Input voltage of the converter (V)
- V dc , c :
-
Output voltage of the converter (V)
- V c 0 :
-
Voltage across output capacitors (V)
- Δi%:
-
Tolerance value of inductor ripple current (A)
- Δv%:
-
Maximum ripple factor of capacitor voltage (V)
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Acknowledgment
The authors were thankful to the management of Mahatma Gandhi Institute of Technology (Affliated to JNTUH), Hyderabad, Telangana, India, and Kalasalingam Academy of Research & Education, Krishnakovil, Tamil nadu, India, for supporting this work.
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Varma, K.V.K., Ramkumar, A. Implementation of SPV-powered water pumping system using non-isolated SC converter topology. Electr Eng 103, 1433–1444 (2021). https://doi.org/10.1007/s00202-020-01170-9
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DOI: https://doi.org/10.1007/s00202-020-01170-9