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Performance Standards in Distribution System & Effective distribution management using smart grids

Performance Standards in Distribution System & Effective distribution management using smart grids. Group-3: Aditya -03 Ambuj -05 Deepak - 15 Kinshuk -25 Swetabh -39. Key standards of performance. Restoration of power supply Quality of power supply Complaints about meters

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Performance Standards in Distribution System & Effective distribution management using smart grids

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  1. Performance Standards in Distribution System&Effective distribution management using smart grids Group-3: Aditya -03 Ambuj -05 Deepak - 15 Kinshuk -25 Swetabh -39

  2. Key standards of performance • Restoration of power supply • Quality of power supply • Complaints about meters • Application for new connections/ additional loads • Complaints about consumers bill • Issues relating to disconnection and reconnecting of supply.

  3. Issues • Safety instructions for working on mains & apparatus. • Lack of responsibility • Lack of training • Carelessness and ignorance • Public safety • Safety measures in operation of substation, T&D lines.

  4. Methods to measure and improve Distribution system reliability • Performance indices • System average interruption frequency index (SAIFI) SAIFI = (total no. of customer interruption / total no. customer served) • System average interruption duration index (SAIDI) SAIDI= (sum of the customer interruption duration / total no. customer)

  5. Methods to measure and improve Distribution system reliability • Customer average interruption frequency index (CAIFI) CAIFI= (total no. of customer interruption / total no. customer affected) • Customer average interruption duration index (CAIDI) CAIDI= (total no. of customer interruption duration / total no. of customer interruption) • Average service availability index (ASAI) ASAI = (8760 – SAIDI) / 8760

  6. Effective Distribution Management using Smart Grids

  7. Presentation structure • Distribution Infrastructure in India • Overview of smart grid • Key technologies and solutions • Smart Grid in India

  8. Distribution Infrastructure in India • 80% of villages are ‘electrified’, yet… 45% of the population doesn’t have access to electricity • ~400 Million people without electricity (US population ~300 Million) • Aggregate Technical and Commercial (AT&C) losses are very high >25% on average, >50% in many states • High electricity ‘theft’; poor policing / enforcement due to political reasons • Subsidies to agricultural sector • Free or very low-cost power which is often un-metered • Hard to separate free power from ‘theft’

  9. Distribution infrastructure in India ( cont..) • ~60 Electricity Distribution companies in India Generally state-owned monopolies Generally loss making entities (average loss 11% of sales / year mainly due to high AT&C losses and poor revenue collection) • Reform of the distribution sector identified as a key need by the government - • APDRP, R-APDRP – Reducing AT&C losses a key focus • Open-Access for the distribution network to foster competition • Laws against theft - better enforcement, better communication • Privatization & Franchising of distribution network • Demand Side Management – especially in agricultural sector • Rationalization of tariffs and removal of cross-subsidies

  10. Smart Grid • Integration of Electrical & Digital technologies, information and communication which facilitates integration of business processes and systems to yield real measurable value across the power delivery chain. • Components of the smart grid: • Smart Power meters • Smart Substations • Smart Distribution • Smart Generation

  11. Key Technologies and solutions

  12. Smart Grid in India • APDRP, R-APDRP initiative for distribution reform (AT&C focus) • DRUM India – Distribution Reform Upgrade, Management • Four pilot sites (North Delhi, Bangalore, Gujarat, Maharashtra) • Smart Grid Vision for India • Smart Grid Task Force – Headed by Sam Pitroda • BESCOM project – Bangalore – Integration of renewable and distributed energy resources into the grid • KEPCO project in Kerala India - $10 Billion initiative for Smart-Grid • L&T and Telvent project – Maharashtra – Distribution Management System roll-out • Housing – • RabirashmiAbasan Housing project – Kolkata (2008). First instance of net metering in India from roof-top Solar • SA Habitat and Valence Energy – Hyderabad (2009) . Distributed generation via roof-top solar for 40% in a micro-grid

  13. Thank you !!

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