presentation glyndwr ch stu 2
DESCRIPTION
Final presentation of the Continue Final presentation of the Continued Development Program in Glyndwr University from Chernigiv State Technological University staffTRANSCRIPT
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Maximum power point tracker
for PV applications
Chernigiv State Technological UniversityOleksandr Veligorskyi
Ruslan ZarovskyiMaksim Khomenko
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World energy consumption
© BP Statistical Review of World Energy 2011
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Renewable Energy Share
© Renewables 2011 Global Status Report. 2011.
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Top 10 by solar PV capacity
© Renewables 2011 Global Status Report. 2011.
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Advantages of the solar energy
complementarities with traditional and other renewable energy sources,
flexibility (mobile, roof- or ground-mounted), environmental-friendly (no produces noise), little need of maintenance (PV system have
no move or rotate parts), lifetimes – up to 30 years.
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PV World Capacity vs. Papers
1996
1998
2000
2002
2004
2006
2008
2010
2012
0
10
20
30
40
50
60
70 PV Exist. World Cap., GW Papers MPPT, pcs
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Main applications of PV
Stand-alone (off-grid) Uses: remote region (remote wireless sensors,
small chargers, navigation lights, etc) or when on-grid connection is unnecessary.
Contains: storage battery and converter (DC-DC, DC-AC), maximum power point tracker (MPPT).
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Main applications of PV
Grid-connected (on-grid) Uses: connected to local electricity network. Contains: converter (DC-AC), may not have
storage, maximum power point tracker (MPPT).
Fed-in tariff (0.2…0.48 €/kWh, biggest tariff in the world – 0.48 €/kWh in Ukraine).
© Ernő Paál, Zoltán Tatai. 2010.
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Maximum power point of the PV
0.1
0.2
0.3
IPV, A
0 4 8 12 VPV, V P, W
1
2
3
0 4 8 12 VPV, V
1/RL1
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Current-voltage dependence of the PV
0.1
0.2
0.3
IPV, A
MPP
0 4 8 12 VPV, V
S=1000 W/m2, Т=25°С
S=500 W/m2, Т=25°С
S=100 W/m2, Т=25°С
P, W
1
2
3
0 4 8 12 VPV, V
S=1000 W/m2, Т=25°С
S=500 W/m2, Т=25°С
S=100 W/m2, Т=25°С
0.1
0.2
0.3
IPV, A
4 8 12 VPV, V
S=1000 W/m2, Т=25°С
S=1000 W/m2, Т=45°С
S=1000 W/m2, Т=65°С
0.1
0.2
0.3
IPV, A
4 8 12 VPV, V
S=1000 W/m2, Т=25°С
S=1000 W/m2, Т=45°С
S=1000 W/m2, Т=65°С
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Maximum power point tracker
Buck-converter
MPPT controller
VPV
IPV
PWM
MPPT
Load PV-array
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Let’s start!
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Schematic design
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Simulation in progress
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PCB 2D design
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PCB 3D design
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Exposure
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Chemical operations
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In-operation control
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Development
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Final quality verification
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Mounting holes drilling
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In the storage room
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Soldering equipment
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Soldering
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We’ve made it!
Pin spacing – 0.5 mm!!!
Pin width – 0.3 mm!!!
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Boards are completed!
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Installation in progress
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Tuning
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Useful stuff
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Coding and debugging
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Development of the control program
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Load characteristic (Vout vs. Iout) of the buck-converter
0 2 4 6 8
5
10
15
20
Iout, A
Vo
ut,
V
Vout=5 VVout=14 VVout=20 V
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Efficiency characteristics of the buck-converter
0 2 4 6 80.4
0.5
0.6
0.7
0.8
0.9
1
Iout, A
Effi
cie
ncy
Vout=5 VVout=14 VVout=20 V
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Efficiency characteristics of the buck-converter
0 200 400 600 800 1000 1200 14000.6
0.65
0.7
0.75
0.8
0.85
0.9
0.95
1
Frequency, kHz
Effi
cie
ncy
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We appreciate your help!
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Final presentation
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Awarding certificates
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Special thanks to:
Our supervisor - Yuriy Vagapov. Staff – Roy Harper and Dez Adams. International Centre – Olga Edvards and
other staff.