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Power System Analysis Solution Manual Saadat

PSA Solution Manual- Hadi Saadat(str Electrical Engineering (EE) Notes | EduRev

Electrical Engineering (EE): PSA Solution Manual- Hadi Saadat(str Electrical Engineering (EE) Notes | EduRev

The document PSA Solution Manual- Hadi Saadat(str Electrical Engineering (EE) Notes | EduRev is a part of Electrical Engineering (EE) category. 

            Page 1   Solutions Manual Hadi Saadat Professor of Electrical Engineering Milwaukee School of Engineering Milwaukee, Wisconsin McGraw-Hill, Inc. Page 2   Solutions Manual Hadi Saadat Professor of Electrical Engineering Milwaukee School of Engineering Milwaukee, Wisconsin McGraw-Hill, Inc. Page 3   Solutions Manual Hadi Saadat Professor of Electrical Engineering Milwaukee School of Engineering Milwaukee, Wisconsin McGraw-Hill, Inc. CONTENTS 1 THE POWER SYSTEM: AN OVERVIEW 1 2 BASIC PRINCIPLES 5 3 GENERATOR AND TRANSFORMER MODELS; THE PER-UNIT SYSTEM 25 4 TRANSMISSION LINE PARAMETERS 52 5 LINE MODEL AND PERFORMANCE 68 6 POWER FLOW ANALYSIS 107 7 OPTIMAL DISPATCH OF GENERATION 147 8 SYNCHRONOUS MACHINE TRANSIENT ANALYSIS 170 9 BALANCED FAULT 181 10 SYMMETRICAL COMPONENTS AND UNBALANCED FAULT 208 11 STABILITY 244 12 POWER SYSTEM CONTROL 263 i Page 4   Solutions Manual Hadi Saadat Professor of Electrical Engineering Milwaukee School of Engineering Milwaukee, Wisconsin McGraw-Hill, Inc. CONTENTS 1 THE POWER SYSTEM: AN OVERVIEW 1 2 BASIC PRINCIPLES 5 3 GENERATOR AND TRANSFORMER MODELS; THE PER-UNIT SYSTEM 25 4 TRANSMISSION LINE PARAMETERS 52 5 LINE MODEL AND PERFORMANCE 68 6 POWER FLOW ANALYSIS 107 7 OPTIMAL DISPATCH OF GENERATION 147 8 SYNCHRONOUS MACHINE TRANSIENT ANALYSIS 170 9 BALANCED FAULT 181 10 SYMMETRICAL COMPONENTS AND UNBALANCED FAULT 208 11 STABILITY 244 12 POWER SYSTEM CONTROL 263 i CHAPTER 1 PROBLEMS 1.1 The demand estimation is the starting point for planning the future electric power supply. The consistency of demand growth over the years has led to numer- ous attempts to ?t mathematical curves to this trend. One of the simplest curves is P =P 0 e a(t¡t 0 ) where a is the average per unit growth rate, P is the demand in year t, and P 0 is the given demand at yeart 0 . Assume the peak power demand in the United States in 1984 is 480 GW with an average growth rate of 3.4 percent. Using MATLAB, plot the predicated peak demand in GW from 1984 to 1999. Estimate the peak power demand for the year 1999. We use the following commands to plot the demand growth t0 = 84; P0 = 480; a =.034; t =(84:1:99)'; P =P0*exp(a*(t-t0)); disp('Predicted Peak Demand - GW') disp([t, P]) plot(t, P), grid xlabel('Year'), ylabel('Peak power demand GW') P99 =P0*exp(a*(99 - t0)) The result is 1 Page 5   Solutions Manual Hadi Saadat Professor of Electrical Engineering Milwaukee School of Engineering Milwaukee, Wisconsin McGraw-Hill, Inc. CONTENTS 1 THE POWER SYSTEM: AN OVERVIEW 1 2 BASIC PRINCIPLES 5 3 GENERATOR AND TRANSFORMER MODELS; THE PER-UNIT SYSTEM 25 4 TRANSMISSION LINE PARAMETERS 52 5 LINE MODEL AND PERFORMANCE 68 6 POWER FLOW ANALYSIS 107 7 OPTIMAL DISPATCH OF GENERATION 147 8 SYNCHRONOUS MACHINE TRANSIENT ANALYSIS 170 9 BALANCED FAULT 181 10 SYMMETRICAL COMPONENTS AND UNBALANCED FAULT 208 11 STABILITY 244 12 POWER SYSTEM CONTROL 263 i CHAPTER 1 PROBLEMS 1.1 The demand estimation is the starting point for planning the future electric power supply. The consistency of demand growth over the years has led to numer- ous attempts to ?t mathematical curves to this trend. One of the simplest curves is P =P 0 e a(t¡t 0 ) where a is the average per unit growth rate, P is the demand in year t, and P 0 is the given demand at yeart 0 . Assume the peak power demand in the United States in 1984 is 480 GW with an average growth rate of 3.4 percent. Using MATLAB, plot the predicated peak demand in GW from 1984 to 1999. Estimate the peak power demand for the year 1999. We use the following commands to plot the demand growth t0 = 84; P0 = 480; a =.034; t =(84:1:99)'; P =P0*exp(a*(t-t0)); disp('Predicted Peak Demand - GW') disp([t, P]) plot(t, P), grid xlabel('Year'), ylabel('Peak power demand GW') P99 =P0*exp(a*(99 - t0)) The result is 1 2 CONTENTS Predicted Peak Demand - GW 84.0000 480.0000 85.0000 496.6006 86.0000 513.7753 87.0000 531.5441 88.0000 549.9273 89.0000 568.9463 90.0000 588.6231 91.0000 608.9804 92.0000 630.0418 93.0000 651.8315 94.0000 674.3740 95.0000 697.6978 96.0000 721.8274 97.0000 746.7916 98.0000 772.6190 99.0000 799.3398 P99 = 799.3398 The plot of the predicated demand is shown n Figure 1. 450 500 550 600 650 700 750 800 Peak Power Demand GW 84 86 88 90 92 94 96 98 100 Year ............................................... ................................................ ................................................ ................................................ ................................................. ................................................. ................................................. .................................................. .................................................. .................................................. ................................................... ................................................... .................................................... .................................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIGURE 1 Peak Power Demand for Problem 1.1 1.2 In a certain country, the energy consumption is expected to double in 10 years.

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Power System Analysis Solution Manual Saadat

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