solar powered integrated farming system: irrigation, rice...
TRANSCRIPT
Solar Powered Integrated Farming System: Irrigation, Rice Husking and Fishing
Mohammad Rejwan Uddin Research Assistant, Department of EEE, IUB
SESSION 20 – PARALLEL: RENEWABLE ENERGYDAY 3, TUESDAY, 10 JANUARY 2017
LOCATION: Multi-Purpose Hall, Level 1HOST: School of Engineering and Computer Science, IUB
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IntroductionRice Cultivation (Irrigation) in Bangladesh
Rice Husking
Fresh Water Fisheries
CO2 emission
Proposed Solar Powered Integrated Farming SystemProposed System Configuration
Design and ImplementationInverter Design and Testing
Field Implementation and Testing (2 PV array, 3 Inverter, 2 Pump, 1 Rice Husking Machine)
Result And DiscussionField Implementation Results (Irrigation, Fishing and Rice Husking)
Comparison Study
Climate-resilient Bangladesh
Cost of the System
Conclusion
OUTLINE
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RICE CULTIVATION (IRRIGATION)
Fig 1: Diesel Pump Fig 2: Electric Pump
• 52.2 million tones (mT) annual production.
• 1.61 million Irrigation Pump.
Source: thedailystar.net 08.03.2015
• 1.34 m Diesel Pump
• 1.9 mT annual Diesel Consumption
• Worth of 1500 m USD
• 0.27 m Electric Pump
• 750 mU/year Electrical Energy
Consumption
• Worth of 120 m USD
INTRODUCTION …
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INTRODUCTION …
RICE HUSKING
Fig 3: Diesel based Mill Fig 4: Electric Mill
• 35 mT paddy processed annually.
• 100,000 Engelberg Mill
• Power Consumption: 235 Unit/year/ ton
• CO2 Emission: 165 kg/year/ton (0.7
kg/unit)
• Diesel Consumption: 337 L/year/ ton
• CO2 Emission: 944 kg/year/ton (2.8kg/L)
Source: “Energy Utilization and Environmental Aspects of Rice Processing Industries in Bangladesh” Energies 2009
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INTRODUCTION …
FRESH WATER FISHERIES
Fig 5: Ponds Fig 6: Shrimp culture Fig 7: Seasonal Fishing
• Get dry out in the winter season.
• Same water round the year.
• Dependency over rain.• High maintenance cost.
• High skill is required
• Provides about 21% of the value added by agricultural sources
6Source: “Feasibility of solar pump for sustainable irrigation in Bangladesh” Int J Energy Environ Eng (2015) & ‘‘Energy Utilization and
Environmental Aspects of Rice Processing Industries in Bangladesh’’ Energies 2009, 2, 134-149
Fig 9: CO2 emission due to rice processing in Bangladesh.
Fig 8: Carbon dioxide emissions from irrigation pumps in different years in Bangladesh
GLOBAL WARMING POTENTIAL DUE TO CO2 EMISSION IN BANGLADESH
6.5 mT CO2 (2012)
6.2 mT CO2 (2012)
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PROPOSED
SOLAR POWERED
INTEGRATED FARMING
SYSTEM
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Solar Plant (7 kWp)
2 Pumps(3 hp)
with Inverters
Irrigation
(2.6 hectares/ 16.5 Bigha)
Water for Fisheries
(0.5 hectares/ 3 Bigha)
1 Motor (2 hp) with Inverter
Rice Husking Machine
SYSTEM CONFIGURATION
Fig 10: System Configuration of Solar Powered Integrated Farming System
PROPOSED METHODOLOGY …
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DESIGN & IMPLEMENTATIONCollaboration With A Local Farmer Currently Using Solar Irrigation
System
Fig 11: Integrated Farming System Configuration
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INVERTER DESIGN AND TESTING
Fig 12: Designed and Installed Inverter Fig 13: 3-φ Inverter output voltage (φ-φ) graph from oscilloscope
Design & Testing …
Table 1: Specification of Inverter
Capacity 3 KW
Input Voltage (DC) 200~300 V
Maximum operating Voltage 250 V
Operating Frequency Range 25~50 Hz
Efficiency >93%
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IMPLEMENTED SITE Konapara-Chourasta, Mymensing
• Location: 24°47'57.68" N; 90°22'44.20" E. • Contains almost 4.54 Hectares of agro field.
FIELD IMPLEMENTATION …
Fig 14: Google Earth image of the site
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FIELD IMPLEMENTATION …
ALREADY INSTALLED PV ARRAY (7 kWp PV ARRAY)
• Total 16 panels• Total 24 panels with manual
tracker
Table 2: Specification of PV Module
Power, W 175 W
Open Circuit Voltage, Voc 44.4 V
Short Circuit current, Isc 5.55 A
Maximum peak Voltage, Vp 35.4 V
Maximum peak Current, Ip 4.95 A
Fig 15: PV Array 1 (4.2 kWp) Fig 16: PV Array 2 (2.8 kWp)
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FIELD IMPLEMENTATION …
FIELD IMPLEMENTATION (PUMPS AND RICE HUSKING MACHINE)
Table 3: Specification of 3-phase Pump
Ratings 3 HP 2.2 KW
Operating Voltage 250 V (Δ)
Current Ratings 8.3 A
RPM 2900
Capacity 1200 L/M
Table 4: Specification of Husking Machine
Ratings 2 HP/ 1. 5 KW
Operating Voltage 220 V (Δ)
Capacity 220-270kg/h
Weight 30 kg
Fig 17: Installed Pump for Irrigation and Fisheries Fig 18: Installed Rice Husking Machine
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FIELD IMPLEMENTATION RESULT(PUMP OUTPUT)
System owner: Mr. Rizon Miah.
Fig 19: Water discharging from installed Pump
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FIELD IMPLEMENTATION RESULT(PUMP PERFORMANCE)
• 25,000 L/h Discharge rate • 150,000 L/Day (2.6 Hectares)• 4.5 mL/Month
• Daily = 6.5 Unit• Monthly = 195 Unit
RESULT AND DISCUSSION …
0
100
200
300
400
500
600
700
800
900
Pow
er (
W)
Time
Fig 21: Power Consumption Graph
Pin (W)
0
5000
10000
15000
20000
25000
30000
35000
Wat
er F
low
(L)
Time
Fig 20: Hourly Water Flow Graph
L/H
Data: November 2016
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RESULT AND DISCUSSION …
FIELD IMPLEMENTATION RESULT (RICE HUSKING)
Fig 22: Husked Rice by husking machine
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RESULT AND DISCUSSION …
FIELD IMPLEMENTATION RESULT (RICE HUSKING MACHINE PERFORMANCE)
0
100
200
300
400
500
600
700
Pow
er (
W)
Time
Fig 24: Power Consumption Graph
Hourly Power Consumtion for Rice Husking
• 100 kg/h Husking rate• 500 kg/Day• 15,000 kg/Month
• Daily = 5.5 Unit • Monthly = 165 Unit
0
50
100
150
200
250
Ric
e H
usk
ing
(Kg)
Time
Fig 23: Husking Rate (Kg/h)
Hourly Rice Husking
Data: November 2016
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RESULT AND DISCUSSION …
FIELD IMPLEMENTATION RESULT (FISHING)
• 0.5 Hectare land
• 2 feet water height
• 3 season per year
Fig 25: Fishing from fishing zone Fig 26: Catches fish from fishing zone
• 450 kg of fish
• Worth 50,000 BDT.
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COMPARISON: CONVENTIONAL INVERTER VS.
DESIGNED INVERTER (IRRIGATION)
0200400600800
10001200
Pow
er (
W)
Time
Fig 25:Power Consumption Graph
Power Drawn by Designed Inverter
Power Drawn by Conventional Inverter
05000
100001500020000250003000035000
Wat
er F
low
(L/
h)
Time
Fig 24: Hourly Water Flow Graph
Water Lifted by Using Designed Inverter
Table 5: Performance comparison
Criteria Conventional Inverter Designed Inverter
Starting Time- Ending Time 9:30 AM – 3:30 PM (6 hours) 7 AM – 4:00 PM (9 hours)
Maximum Discharge Rate 34000 L/h 31000 L/h
Daily Discharge rate 165000 L/day 150000 L/day
Daily Energy utilization 6.5 Unit 6.3 Unit
Price (3 kW) 30,000 BDT (375 USD) 15,000 BDT (188 USD)
Data: November 2016
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• Almost 12 months solar energy utilization
• Approximately 2662 unit more annual solar energy utilization
• Carbon Credit= 205.6 USD/ year (17.12 T/ Year; $12/ Ton CO2)
0
100
200
300
400
500
600
Jan Feb Mar Apr May jun Jul Aug Sep Oct Nov Dec
ENER
GY
(KW
/H)
MONTH
Fig 26: Yearly Solar Energy Utilization
Graph
Solar Powered Integrated Farming System (IFS)
Conventional Solar Irrigattion System
Table 7: Annual Usage of Designed Solar Powered IFS
ANNUAL SOLAR ENERGY UTILIZATION
CONVENTIONAL ONLY SOLAR IRRIGATION SYSTEM VS. DESIGNED SOLAR POWERED IFS
Climate-resilient Bangladesh
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COST OF THE SYSTEM
Equipment Unit Price
(Taka)
Quantity Cost (BDT)
Panels 40 Tk/W 7000 W 280,000
Inverter 15,000 3 45,000
Pump 15,000 2 30,000
Rice Husking
Machine
30,000 1 30,000
Solar Panel
Mounting
- - 40,000
Others - - 15,000
Total cost - - 430,000 BDT
(5375 USD)
Panels64%
Inverter10%
Pump7%
Rice Husking Machine
7%
Solar Panel Mounting
9%
Others3%
Fig 27: Cost Components Graph of Solar Powered Integrated Farming System
• Panel cost is higher 280,000 BDT (64 % of total cost)
Table 6: Initial Cost of Solar Powered Integrated Farming System
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COST-PROFIT ANALYSIS
Break-even point =Initial Investment
(Weighted-average income per year-Annual Cost)
= 430,000 BDT
(286,500 - 100,000) BDT Years = 2.3 Years
Irrigation
Price: 30,000 BDT/ Hectare (6,000 BDT/ Bigha)
Coverage: 2.6 Hectare/ Season (a season per year)
Income: 99,000 BDT/ year (1238 USD/Year)
Rice Husking
Price: 1500 BDT/ Ton (1.5 BDT/ kg)
Capacity: 125 Ton/ Year (500 kg per day*250 day per year)
Income: 187,500 BDT/ year (2344 USD/Year)
Additional Income from Fishing
30,000 BDT/ Year (375 USD/Year)
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CONCLUSION
This system can fulfil the energy demand for irrigation, fisheries and food
processing of the farmers of remote areas.
The conventional solar irrigation system will be more efficient and
economically viable, by implementing this project.
Maximize the annual solar energy utilization with higher carbon credits.
Initial high investment will attenuate with decreasing of international market
price of solar panels that will make the project more economically viable.
Moreover, Government subsidy or any NGO’s fund will make the project
more affordable by local farmer.
