state of art power converters for wind/solar powered
TRANSCRIPT
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State of Art Power Converters for
Wind/Solar Powered mobile towers
Ram
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Bridge between the Source & Load
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Present Scenario
DC loads
AC
DC
Charge Controller
MPPT SMPS
rectifiers
DC DC
48 v DC
inverter
AC loads
inverter
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Future Scenario
Wind Turbine
Grid/DG
DC Loads
Batteries
Fuel Cells
AC LOADs , Air
Conditioners
Grid Feed
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Converters Challenges
Renewable Sources : Stochastic ( Analysed statistically but can never be predicted accurately)
Handling and control of multiple sources ( Wind, Solar,DG, Batteries) Handling of both DC & AC loads Maximizing Renewable energy usage by `prioritizing sources MPPT for PV, Wind and even DG can be explored.
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More challenging if Air- conditioners are part of AC loads Batteries key fulcrum and hence ability to manage batteries effectively. Fuel & Health monitoring of batteries Remote Monitoring Bi-directionality for Grid Feed and Smart Grids
Converters Challenges
Converters Challenges - Contd
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Features
Efficiency across the load spectrum Full Galvanic Isolation Multi Port Bi-Directionality Reliability and no single point of failure Seamless transfer between sources Max utilization of Renewable Energy Grid feed options & peak load shavings
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The future of power conversion
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System integration
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Trends in Critical Power Backup
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Challenge accepted, Google!
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What Google requested
Parameter Request
Maximum Power Tested 2000VA
Volume of enclosure 40 in³/655 cm³
Power density 3050W/litre
DC voltage range 399.5 V
AC voltage (RMS) output 240V +/- 12Vac
Efficiency (CEC Method) Min 95 %
Max Temp of Enclosure 60 °C
Ambient T° of test 30 °C
EMI compliance FCC Part 15 B
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Google’s Requirement
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Result
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S M A S u n n y B o y
2 , 5 k W
T S I B r a v o
2 , 0 k W
G o o g l e
r e q u e s t
E f f y
Is it small ?
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SMART