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From Combustibles to Renewables : Opportunities & Challenges

Expert Talk @ Nirma University
by

Kalpesh Joshi

on 10 February 2016

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Transcript of From Combustibles to Renewables : Opportunities & Challenges

From Combustibles
to Renewables : Opportunities & Challenges

Revised Assessment
of Renewable Resources
in India
Power & Energy Scenario in India
Base load is invariably provided by combustible fuels
Combustion based electricity supplies more than 3/4th of electricity demand of our country
More than half of the capacity addition for power generation is in the form of coal based power plants
Greenpeace estimates the coal reserves of India to last only for 17 years
Resources & References
Solar Power Potential
Wind Power Potential
The Potential for wind power generation for grid interaction has been estimated at about 48,500 MW taking sites having wind power density greater than 200 W/sq. m at 50 m hub-height with 1% land availability in potential areas for setting up wind farms @12 ha/MW.
About 5,000 trillion kWh per year energy is incident over India's land area with most parts receiving 4-7 kWh per sq. m per day. Hence both technology routes for conversion of solar radiation into heat and electricity, namely, solar thermal and solar photovoltaics, can effectively be harnessed providing huge scalability for solar in India.
49130 MW @ 50 mtr Hub height
102788 MW @ 80 mtr Hub height
Based on open access research article
by Prof. S P Sukhatme in 'Current Science'
Challenges
Projected Energy Balance in 2070
Network Congestion - Story of Tamilnadu
Huge Storage or decentralized storage
Smart loads
EVs as dynamic storage?
Forecasting & Scheduling
ToU based tariff, ABT, ...
Impact investigation for capacity addition, protection issues

Research on Renewables at IIT GN
Forecasting of Generation - PV & Wind
Impact Investigation of small and large DGs on distribution and transmission network operations
Risk assessment of unintentional islanding in secondary distribution networks with small DGs
Reactive resource reallocation to maintain maximum power factor through out the changing demand and supply scenario
Use Real Time Digital Simulation tools to model and simulate transient response of inverter based DGs during abnormal operating conditions
Active research areas
PV Systems:

SPV-1:
100 kWp Polycrystalline silicon modules

SPV-2:
10 kWp Thin film CSI technology based modules

SPV-3:
10 kWp Polycrystalline silicon modules

SPV-1 is with VGEC
Power Distribution Network of IITGN-VGEC Campus
Modeling & Analysis
Underground Cable Modeling

Load Modeling for major load components

3-phase unbalanced distribution power flow based on forward-backward sweep algorithm
Results
Investigation with Snapshot DPF
Thank you for your attention.
Visit www.kalpeshjoshi.co.in for further details
Generalized Model for PV Array
Facilities for Photovoltaic Research
Continuously monitored PV Plants
10 kWp PV plant with Polycrystalline Modules
10 kWp PV plant with Thin-Film Modules
Cumulative capacity of PV plants - 120kWp
Real Time Digital Simulator from Opal
FPGA based Quad-core system for studies related to transient stability, protection and control of distribution systems with DGs, electromagnetic transients and FACTS controllers
Interface with real world systems by 256 digital and 128 analog I/O ports
By
Kalpesh Joshi
Research Fellow
IIT Gandhinagar
Full transcript