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Eee Vii Power System Planning [10ee761] Notes

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Power System Plannng Note
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  Power System Planning 10EE761 Dept. of EEE, SJBIT Page 1 POWER SYSTEM PLANNING Subject Code: 10EE761 IA Marks: 25  No. of Lecture Hrs. / Week: 04 Exam Hours: 03 Total No. of Lecture Hrs. 52 Exam Marks: 100 PART  –   A UNIT - 1 Introduction of power planning, National and regional planning, structure of power system, planning tools, electricity regulation, Load forecasting, forecasting techniques, modeling. 8 Hours UNIT - 2 & 3 Generation planning, Integrated power generation, co-generation / captive power, power  pooling and power trading, transmission & distribution planning, power system economics,  power sector finance,financial planning, private participation, rural electrification investment, concept of rational tariffs. 10 Hours UNIT - 4 Computer aided planning : Wheeling, environmental effects, green house effect, technological impacts, insulation co-ordination, reactive compensation. 8 Hours PART  –   B UNIT - 5 & 6 Power supply reliability, reliability planning, system operation planning, load management, load prediction, reactive power balance, online power flow studies, state estimation, computerized management. Power system simulator  . 10 Hours UNIT - 7 & 8 Optimal Power system expansion planning, formulation of least cost optimization  problem incorporating the capital, operating and maintenance cost of candidate plants of different types (thermal hydro nuclear non conventional etc), Optimization techniques for solution by programming. 16 Hours TEXT BOOK: 1.   Electrical Power System Planning, A.S.Pabla, Macmillan India Ltd, 1998  Power System Planning 10EE761 Dept. of EEE, SJBIT Page 2 Table of Contents Sl.No Chapters Page no 1 Unit 1:Introduction of power planning, 4-12  National and regional planning   structure of power system, planning tools  planning tools, electricity regulation Load forecasting forecasting techniques, modeling. 2 Unit 2&3:Generation planning 13-23 Integrated power generation co-generation / captive power  power pooling and power trading transmission & distribution planning  power system economics  power sector finance,financial planning  private participation rural electrification investment concept of rational tariffs 3 Unit 4:  Computer aided planning   24-27 Wheeling environmental effects green house effect  Power System Planning 10EE761 Dept. of EEE, SJBIT Page 3 technological impacts insulation co-ordination reactive compensation 4 Unit 5&6:   Power supply reliability 28-32 reliability planning system operation planning load management load prediction reactive power balance online power flow studies state estimation computerized management Power system simulator  .   5 Unit 7&8:Optimal Power system expansion planning .   33-36 formulation of least cost optimization problem incorporating the capital operating and maintenance cost of candidate plants of different types (thermal, hydro, nuclear, non-conventional etc), Optimization techniques for solution by programming  Power System Planning 10EE761 Dept. of EEE, SJBIT Page 4 UNIT-1 Introduction to Power System Planning:    Recent cost reductions and the increases in production of solar photovoltaics (PV) are driving dramatic growth in domestic PV system installations.    Programs such as Solar America Initiative are setting out to make solar energy cost-competitive with central generation by the year 2015.    As the costs decline, distributed PV becomes an increasingly significant source of power generation and, at some point, its further growth might be limited by the challenges of its integration into the power grid.    To prevent these integration challenges from limiting the growth of solar PV installations and to maximize the overall system benefit, it is necessary to consider solar PV in all areas of  power system planning, and to evolve the planning practices to better accommodate increased energy supply from solar PV.    This report reviews the entire power system planning process, including generation, transmission, and distribution. It discusses how the planning practices are changing to accommodate variable renewable generation, with a focus on future changes required to accommodate high penetration levels of solar PV and how to maximize the positive impact of other technologies such as load control and energy storage. The report also proposes several areas for future research that will help evolve planning methodologies and enable easier and more-effective integration of solar PV.    Electricity produced by solar PV currently is not cost-competitive with electricity generated  by central stations, consequently solar PV has limited penetration in grid-connected applications. As the technology develops and solar PV becomes more competitive, it is expected that it will start supplying residential and commercial loads at th e customer‘s side of the meter. This area of the power system has the highest cost of electricity, therefore it is where cost-competitiveness will be achieved first.    Understandably, a sharp increase in the use of any one source of generation is likely to  present integration challenges, but this especially is the case with the distributed solar PV for the following reasons.    Solar PV is a variable source of generation  —  its power output depends on insolation and it is subject to potentially abrupt changes due to cloud coverage.    Solar PV will evolve as a distributed source of generation first used to offset the connected load. As the penetration levels increase even further, two options are possible. Energy storage could  be used to ensure that no power is returned to the system, and the power could be sent to other loads in the system to avoid capital investment for dedicated storage. The second option necessitates shipping power ―backwards‖ through a part of the electricity delivery network—  the distribution system  —  and backwards power flow is not a design feature of present-day distribution systems.
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