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Wednesday, June 29, 2011

LOAD FLOW ANALYSIS - I: SOLUTION OF LOAD FLOW AND RELATED PROBLEMS USING GAUSS-SEIDEL METHOD


LOAD FLOW ANALYSIS - I: SOLUTION OF LOAD FLOW AND RELATED PROBLEMS USING GAUSS-SEIDEL METHOD

AIM

(i)  To understand, the basic aspects of steady state analysis of power systems that are                                         required for effective planning and operation of power systems.
(ii) To understand, in particular, the mathematical formulation of load flow model in complex form and a simple method of solving load flow problems of small sized system using Gauss-Seidel iterative algorithm


OBJECTIVES

i. To write a computer program to solve the set of non-linear load flow equations using Gauss-Seidel Load Flow (GSLF) algorithm and present the results in the format required for system studies.
ii. To investigate the convergence characteristics of GSLF algorithm for normally loaded small system for different acceleration factors.
iii. To investigate the effects on the load flow results, load bus voltages and line transformer loadings, due to the following control actions:
a. Variation of voltage settings of P-V buses
b. Variation of shunt compensation at P-Q buses
c. Variation of tap settings of transformer
d. Generation shifting or rescheduling.

INPUT FILE:

POWER FLOW ANALYSIS I: SOLUTION OF POWER FLOW RELATED PROBLEMS BY GAUSS-SEIDEL
CASE:1   6-BUS SYSTEM-BASE CASE-POOR VOLTAGE PROFILE:
ACCN FACTOR=1
NAME:
ROLL NO:
VII SEMESTER
DATE:
6 2  4 5 2 1 2 100 100.00  .0001  1.0000
1     0.0000     .0000     .0000       0.0        0.00     1.020  
2   50.0000     .0000     .0000   100.0    -20.00     1.020
3   55.000   13.000    1.000
4    0.000      0.000    1.000    
5   30.000   18.000    1.000
6   50.000    5.000     1.000
1 1 6  0.1230  0.518 0.000 55.0
2 1 4  0.0800  0.370 0.000 65.0
3 4 6  0.0870  0.407 0.000 30.0
4 5 2  0.2820  0.640 0.000 55.0
5 2 3  0.7230  1.050 0.000 40.0
1 4 3  0.0000  0.1330 1.000 30.0
2 6 5  0.0000  0.3000 1.000 55.0
1 4  2.0
2 6  2.5

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