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  • Attributes of the Smart Grid Project in Puducherry are: Smart Generation of Renewables and Micro Sources in Micro Grid. Smart Transmission using Synchrophasor technology by placing PMUs, PDCs etc. and Smart Distribution using Advanced Metering Infrastructure (AMI), Outage Management System (OMS), Peak Load Management (PLM), Power Quality Management (PQM), Electric Vehicles (EVs), Energy Storage.


  • 1. 1
  • 2. Modes of Power Generation Power Sector Hydro Power Hydro Power (~22%) (~22%) Input Energy Thermal Power (~65%) Coal, Oil & Gas Coal, Oil & Gas Water Renewable energy Renewable sources sources energy ( ~10%) ( ~10%) Radioactive elements Radioactive elements (Uranium, Thorium etc.) (Uranium, Thorium) Solar panels, Wind Solar panels, mills etc. Wind mills etc. Central Transmission Utilities and State Transmission utilities Transmission Utilities Distribution Agencies Users Nuclear power Nuclear (~3%) power (~3%) Source of Power Distribution Channels Industries Industries (38%) (38%) Domestic Domestic (22%) (22%) Agriculture Agriculture (22%) (22%) Commercial Commercial (8%) (8%) Others Others ( (10%) 10%)
  • 3. How does Electricity reaches our home?
  • 4. Smart Grid • Smart Grid facilitates efficient and reliable end-to-end intelligent two-way delivery system from source to sink as well as integration of renewable energy sources • Smart grid will be able to coordinate the needs and capabilities of distribution utilities, end users and electricity market stakeholders in such a way  It can optimise asset utilization, resource optimization, control and operation  Reduction in losses, performance improvement • It encompasses Integration of Power, Communication, intelligent devices , intelligent computing system for improved electrical infrastructure that serves consumers with reliability, quality & affordable price • Helps both Utility and consumers to participate in the management of electricity sector inclding efficient utilization of assets – bringing efficiency and sustainability Objective: Objective: Reduce consumer electricity bill with improved reliability & quality of supply with Reduce consumer electricity bill with improved reliability & quality of supply with consumer focus & participation. consumer focus & participation.
  • 5. Need of Smart Grid in Indian Context
  • 6. Smart Grid : Attributes 6
  • 7. Smart Generation- Renewable Integration Green Energy Corridors
  • 8. Growth in Electricity Generation Renewable Installed Capacity 26137 MW as on 30th Nov. 2012, Source MNRE Existing Capacity (MW) State Addition in 12th Plan (MW) Total capacity (MW) Wind Solar Wind Solar Wind Solar Tamil Nadu 6370 7 6000 3000 12370 3007 Karnataka 1783 6 3223 160 5006 166 A.P 392 92 5048 285 5440 377 Gujarat 2600 600 5083 1400 7683 2000 Maharashtra 2460 17 9016 905 11476 922 Rajasthan 2100 200 2000 3700 4100 3900 - 2 12 102 12 104 15705 924 30382 9552 46087 10476 J&K Total Total 16628 39934 56563
  • 9. Annual Wind Energy Generation Pattern During 2011 STF-SG 9
  • 11. Vision-Smart Grid/City
  • 12. Background • Power distribution system incurring high AT&C losses (avg 27%) • Lack of consumer participation in energy management • Poor Power Quality • No Demand Side Management & Demand Response • Lack of Consumption Discipline • Critical financial position of DISCOMS • Low Penetration of Renewable Energy • Increasing level of Green House Gas (GHG) emission
  • 13. Pilot Objective
  • 14. Smart Grid/City : Attributes 14
  • 15. Implementation Strategy 15
  • 16. Salient Features of AMI • Implementation of Advanced Metering Infrastructure (AMI) consisting of Smart Meters, Data Concentrator Unit (DCU), In home Display unit, Communication network, Meter Data Acquisition System(MDAS), Meter Data Management (MDM) integrated on a single platform Demonstration of indigenous capability in Clean Energy Development through AMI
  • 17. ULDC Control Center Puducherry Control Center at Chennai Data Collector Unit (DCU) Transformer Monitoring Unit (TMU) Smart Grid Project – Puducherry FRTU Final Arrangement FPI GIS Mapping Billing GIS ULDC SCADA Mapping Transformer R-APDRP SCADA Wireless Communication Circuit Breaker GIS Mapping OMS OMS 110/11 kVUndergroun d PLM Head End Smart Grid Control Center Marapallem Sub-Station 110/22 kVOverhead T M U Smart Meters 17 Fiber Optic UC D Fiber Optic MDMS
  • 18. Smart Grid at Dehradun Campus • First phase of Smart Grid has been implemented at our Dehradun Campus in collaboration with BSES Yamuna Power Limited • The Phase - I of the project involves incorporation of Modular Integrated Distribution Automation System (MIDAS) which is automation of 11KV/415V distribution substation so as to remotely monitor health of the equipment and also locate the fault in 11 KV network • It acquires various DT parameters, such as, oil level, oil & terminal temperature, fire alarm etc. concerned with monitoring of both the transformers and projects it in the form of graphs • It is web based and can be monitored anytime anywhere in the world • It is just to showcase and knowledge our faculty and students on how a smart grid works as the current system would be beneficial only in predicting the faults and Condition Monitoring of the substation, but, in the real world it predicts a fault prior to its occurrence and automatically informs the concerned person via sms
  • 19. Block Diagram of MIDAS FRTU RS 232 Sensors •Oil temperature •Oil level •Terminal temperature •FPI •Fire Alarm •Door Sensor •Movement Sensor •SF6 Pressure RS 485 Meter GPRS Service DT Concentrator Distribution Transformer Client Service Terminals RMU Concentrator RMU DG SETS 19
  • 20. Single Line Diagram for Dehradun Campus
  • 21. Wind Power Generation Pattern in Rajasthan During 2011 21
  • 22. Green Energy Corridor Report • Large Capacity addition though renewable generation is envisaged in 12th Plan period • Studies has been carried out by POWERGRID with demand projection in 12th Plan for Identification of transmission infrastructure for Renewable Capacity addition in 8 states: Tamil Nadu, Karnataka, A.P, Maharashtra, Gujarat, Himachal Pradesh , Rajasthan and J&K • Evolved Transmission system strengthening has been categorized into two parts – Intra State Transmission strengthening in STU network – Inter State Transmission strengthening in ISTS network • Provision of Dynamic Reactive Compensation for dynamic voltage support
  • 23. Issues in Large Scale Renewable Integration • Intermittency • Variability / Uncertainty • Plants connected at remote/concentrated locations with weak transmission network • Renewable plants providing lesser grid support during system disturbances/exigencies 23
  • 24. Mitigating Measures for Large Scale Renewable Integration • Flexible generation, Ancillary Services for supply-balancing • Technical Standard Requirements (Grid code, Connectivity standards, Real time monitoring etc.) • Demand Side management, Demand Response and Storage for load balancing • Forecasting of Renewable generation & Forecasting of Demand • PMUs/WAMS on pooling stations and interconnection with centralized control centre for real time information, monitoring and control • Policy and Regulatory advocacy for power-balance market and pricing mechanism • Renewable Energy Management Centers (REMC) STF-SG 24
  • 25. Envisaged Wind & Solar Capacity addition by 2030 Resource Present (GW) Wind 17 2016-17 (12th plan) (GW) 47 Solar 0.92 2021-22 (13th Plan) (GW) 97 2026-27 (14th Plan) (GW) 148 2030 (mid 15th plan) (GW) 164 9.45 20 30 35 180 164 160 140 Solar 120 GW 148 Wind 97 100 80 60 47 40 20 0 17 0.94 Present 10.37 2016-17 20 2021-22 30 2026-27 35 2030 25
  • 27. State-of-the-Art Technology (Synchrophasors)  Phasor Measurements Units (PMU) –Power System measured states (Voltage/Current & Angle) and not estimates (20 - 40 milliseconds) –Dynamic system conditions via High Resolution Data (25 – 50 samples/sec) –Ability to compare due to Time Synchronized/stamped data(GPS) viz. voltage, current, angle etc.  Wide Area Monitoring Systems(WAMS) with high bandwidth communication (OPGW)  High resolution, time synchronized data, useful for calculation and monitoring –% damping (inter-area and local area oscillations) –Measured sensitivities, such as ∆V/∆P, ∆δ/∆P –Angle Difference (between buses) –Transmission loadability 27
  • 28. PMU Placement
  • 29. URTDSM System Hierarchy PDC at Back up NLDC PDC at NLDC Remote Consoles at CEA (1) Remote Consoles at RPC (5), UT(3), States(5) Super PDCs at five RLDCs Master PDCs at SLDCs Router PMU -1 Router PMU- n PMUs located at State Sector Substations PMU -1 Router PMU- n PMUs located at IPPs across the Grid PMU -1 PMU- n PMUs located at Central Sector Substations
  • 30. Present Status of Pilot Smart Grid Control Smart Grid Control Centre (MDAS/MDM) Centre (MDAS/MDM) 5 DCUs 5 DCUs 300 Smart Meters 300 Smart Meters
  • 31. Consumer Participation through consumer portal
  • 34. Benefits • Reduction in AT&C losses (from present 22.6% to 8.6%) • Reduction in CO2 emission to about 87000 tons/annum (avoidable capacity : 14 MW)-Clean Energy Development • Enabling Energy Audit • Reduction in cost of billing • Remote load control • Shifting of peak requirement to non-peak time (peak shaving) • Facilitate integration of large scale renewable generation towards Clean Energy Development
  • 36. Salient Features of Pilot Micro Grid  Development of Pilot Micro Grid system to cater to requirements of 30-35 households (100 kW) through multiple Distributed Energy Resources (DER) viz.     Solar PV Wind Generation Biomass plant Energy Storage Devices (Battery) • Design & Development of Micro Grid Central controller (MGCC) to regulate generation and load (Source/Load control) • Demonstration of indigenous capability in development of eco friendly Micro Grid, a scalable and replicable model
  • 37. MICROGRID LAYOUT GRID MGCC LV Solar PV Gen A A C C WIND Gen    FEEDER 1    B B AMI AMI U U BIOMASS PLANT LOAD LOAD SS BATTERY UNITS FEEDER 2 Charge Controller AMI MGCC: Micro Grid Central Controller AMI: Advanced Metering Infrastructure LOAD AMI LOAD
  • 39. Real Life Smart Home 39
  • 40. Demonstration of “REAL LIFE SMART HOME”
  • 41. Energy Efficient Home Reduction of 33 units by : Central systems and smart applications Electric heat pump, nanotechnologies and smart applications (eg, membrane in air-conditioning ,unit), energy-efficient lighting, home control network Reduction of 28 units by : Building fabrics Insulation of roof and walls with aerogel, active windows, double-shell building Reduction of 7 units by : Appliances and electronics Includes appliances and electronics with most advanced potential for reducing energy consumption: advanced washing machines, refrigerators, and freezers; energy-efficient televisions; and other electronics Reduction of 20 units by Distributed generation Solar-photovoltaic systems, mini-combined heat and power, microwind Source: Battle for the home of the future: How utilities can win by McKinsey
  • 42. Energy Efficiency • India World’s Fourth Largest Consumer of electricity after USA, China & Russia • India’s energy intensity ( Energy input per unit of GDP) – 0.62 kgoe / US $ in 2012 ( world 0.31 in 2009) • Reduction in 1 MW consumption leads to saving ₹ 9 to 10 Crore by the utility • Energy Consumption in household and commercial building is approx. 35 % • Energy efficiency in the household consumption & commercial building can bring revolutionary change in sector • As an estimate efficient use of household appliances reduces Peak Demand by 1.2 to 2.5 kW / Household Energy Efficiency and conservation measures ––Reduce Energy Consumption and Energy Efficiency and conservation measures Reduce Energy Consumption and Facilitate Sustainable development. Facilitate Sustainable development.
  • 43. Energy Efficient Home Investment per house hold ₹ 35000/Payback Period ~ 3 years For an Urban Area of 1 Crore Household: •Peak Demand Reduces by at least ~ 12000 MW •Energy Consumption Reduces by ~ 30 BU / annum •26 million tonnes of CO2 reduction per annum •Reduction in Infrastructure Investment by ₹ 1 Lakh Cr by Utility. Average Power Saving Through Energy Efficiency per House hold Summar Peak Demand Reduction ( watt) Reduction in Monthly Consumption (kWh) Winter 1217 2485 266 199 Value of Saving per House hold Average Tariff Monthly Saving Annual Saving ( Winter 4 months & Summer 8 Months) Annual Air pollution reduction( tonnes of CO2) ₹ 4.00 / Unit ₹ 1,063 ₹ 796 ₹ 11,688 2.60
  • 44. Wind Power Generation Pattern in Tamil Nadu During 2011 STF-SG 44
  • 45. Typical Transmission Arrangement of RE Generation Farm with Grid
  • 46. GRIDTECH 2013 - Invitation Steering Committee Meet 46
  • 47. Hall No. -9 Layout Student’s Innovation Pavilion Back Wall Entry POWERGRID Smart Grid/City Exhibition Area 136 137 138 139 140 141 142 143 144 Stall 136-144 reserved for Collaborators of Pilot Smart Grid/City project (Total Area- 200 sq mtr, Stall area- 20 Sqm each)
  • 48. Insight into Consumer Usage in Puducherry Alert Received DISCOVERY in the Field RESOLUTION
  • 49. Insight into Consumer Usage in Puducherry Alert Received DISCOVERY in the Field RESOLUTION
  • 50. Thank You 50