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Indian Power System (An Overview)
Presented By:Parvindar ChaudharyDeptt. of Electrical Engg.MONAD University Hapur
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Energy : The Building Block of Economy
Energy is essential for Economic growth.Economic growth is essential for country like India.Ratio of energy demand and GDP is useful indicator for
Economics growth.Economic growth of country is depend upon rate of
improvement in per capita energy consumption.
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Indian Power SystemElectricity sector in India is growing at rapid pace. During the current year 2016-17 (Up to 31.01.2017),
the Peak Demand is about 159 GW and the Installed Capacity is 314.64 GW.
Thermal - 69.4% Hydro- 13.9% Renewable- 14.8% Nuclear - 1.9%
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Parts of Indian Power SystemGenerationTransmissionDistribution
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GENERATIONThermal Power
PlantHydro Power PlantNuclear Power PlantDiesel Power PlantGas Power Plant
SolarTidalWindGeothermalBio-massFuel cells
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Sector Thermal (MW) NuclearRenewabl
e (MW) Total (MW)
Coal Gas Diesel Sub-Total (MW) Hydro Other Sub-
Total
Thermal Renewable
Renewable
Central 51,390.00 7,490.83 0 58,880.835,780.0
0 11,651.43 011,651.3
3 76,312.26
State 64,210.50 7,210.70 363.93 71,785.13 0 28,197.00 1,963.8030,055.8 101,945.9
Private 70,992.38 10,355.6 554.96 81,902.94 0 3,120.00 42,273.144,236.9 127,296.0
All India 186,592.8 25,057.1 918.89 212,568.95,780.0
0 42,968.43 44,236.987,205.3 305,554.2
Percentage 61.06 8.2 0.3 69.56 1.89 14.06 14.47 28.54 100
The total installed utility power generation capacity as on 31 August 2016 with sector wise & type wise:
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Growth of the Indian Power Sector
YEAR
GROWTH IN GROWTH IN GROWTH IN
CONVENTIONAL GENERATION (%)RENEWABLE GENERATION
(%)
TOTAL GENERATION
(%)2008-09 2.7 - -
2009-10 6.6 - -
2010-11 5.56 - -
2011-12 8.11 - -
2012-13 4.01 - -
2013-14 6.04 - -
2014-15 8.43 - -
2015-16 5.64 6.47 5.69
2016-17 5.15 30.24 6.61
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Transmission SystemDepending upon the quantum of power and the distance
involved, lines of appropriate voltages are laid. 765 kV, 400 kV,220 kV, 132kV, 66 kV and 33 kV AC
lines.As on 31st December’ 2016, the total transmission
capacity of the inter-regional links is 63,650 MW, which is expected to be increased to 68,050 MW by the end of 12th plan i.e. 31st March, 2017.
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Voltage (kV)
1977 1990 2000 2002 2012 2017-18 Year
220kV400kV
500kVHVDC
765kV800kVHVDC
1200kV
World’s HighestVoltage level
World’s longest multi-terminal
HVDC to harness renewableHydro Power from North-east
Transmission Technology
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Distribution system
That part of power system which distributes electric
power for local use is known as distribution system.
In general, the distribution system is the electrical system
between the sub-station fed by the transmission system
and the consumers meters.
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Structure of Indian Power System
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Distribution Substation Equipment'sSupply LineTransformersBus barsSwitching apparatus:
SwitchesFusesCircuit breakers
Grounding
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National
Grid
1950-60’s
1970-80s2000 onwards
Local
1950’s
State Grids by SEBs
Regional Grids
(Paradigm Shift from self sufficiency at Regional level concept to National level)
Interconnecting Regional Grids
with HVDC
1990s
EVOLUTION OF NATIONAL GRID
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Electrical Grid System of India
16,00051436 MW
43009 MW
55800 MW
21387 MW
2801 MW
Installed Generation Capacity Current ~ 314.64 GW as of 31 January 2017.
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objectives of formation of National Grid
To transfer power from surplus regions to deficit regions.
Utilise maximum resources from diversified regions.
Ensure reliable, economical and quality power.
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NATIONAL GRID :THE ADVANTAGES
STRONG BACKBONE ‘ANYWHERE TO ANYWHERE’ ’ TRADING
ECONOMIC OPERATION.OPTIMAL UTILISATION OF SCARCE NATIONAL RESOURCES.ADDED STABILITY.BOUNDARY-LESS OPERATION.
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International InterconnectionsBhutanNepal
Tala: 1020 MWChukha: 336 MWKurichu: 60 MWNet import by India
India- Bhutan synchronous links400 kV Tala-Binaguri D/C400 kV Tala-Malbase-Binaguri220 kV Chukha-Birpara D/C220 kV Chukha-Malbase-Birpara132 kV Kurichu-Bongaigaon
Over 16 links of 132/33/11 KVRadial links with NepalNet import by Nepal
Bangladesh400 KV AC line between Baharampur(India) and
Bheramara(Bangladesh) with 500 MW HVDC sub-station at
Bheramara
Sri – Lanka
Madurai (India) and (Sri-Lanka) through ±500 KV HVDC under sea cable
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(DDUGJY) OR (RGGVY)
Government of India has launched the scheme “Deendayal Upadhyaya Gram Jyoti Yojana” for rural electrification.
Rural Electrification Corporation is the Nodal Agency for implementation of DDUGJY.
Under DDUGJY-RE, Ministry of Power has sanctioned 921 projects to electrify 1,21,225 un-electrified villages.
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Global Energy CrisesGlobal Energy requirement increases
continuously.Fuel resources are depleted.Oil price increase continuously.It put pressure on country economic.It is estimated that in next 50-60 year oil &
gas resources are consumed.
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The President’s Message: IndependenceCut down energy losses.Utilize technologies to provide a
diverse supply of environmentally friendly energy.
“We must achieve Energy Independence by 2030”, including a cut down in ALL sectors.
Increase the power generated through renewable energy sources from 5% to 25%.
This is the nation’s “first and highest priority”.
President A.P.J. Abdul Kalam
(Rocket Scientist)
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Energy Scenario in IndiaIndia is a seventh largest country and have a
population of 1.2 billion people.To maintain growth rate, need rapid growth
in energy sector.Potentially, one of the largest power markets in the world.Large pool of highly skilled technical personnel. Abundant coal reserves (enough to last at least 200 years).
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