Flow chart: start Read load data: primitive matric, slack bus voltage, real and reactive bus powers, etc. 7=7+1 Formulate Y matrix using load flow data Make initial assumptions and 6 for i=2,3,... Set iteration counts >=0 Compute P, for all buses except slack bus and Q for all PQ bus Evaluates power mismatches AP, and AQ Max ΔΡ > E Max AQ > YES Evaluate Jacobian matrix elements MH AM Evaluate increments and update bus voltages and phase angles NO Calculate line flows, line losses and power at slack bus Output load flow solution; voltage, magnitude, phase angle, etc. stop

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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by referring to the flow chart, write C++ code for load flow analysis.

Flow chart:
Read load data: primitive matric, slack bus voltage, real and reactive bus powers, etc.
7=7+1
start
Formulate Y matrix using load flow data
Make initial assumptions and for i=2,3,...,n
Set iteration counts 7=0
Compute P, for all buses except slack bus and Q for all PQ bus
YES
Evaluates power mismatches AP and AQ
Max ΔΡ. >8
Max ΔΩ > E
Evaluate Jacobian matrix elements
B-K
AP [J₁ J₂
ΔΩ] [J, JA ΔΡ.
Evaluate increments and update bus voltages and
phase angles
NO
Calculate line flows,
line losses and power
at slack bus
Output load flow
solution; voltage,
magnitude, phase
angle, etc.
stop
Transcribed Image Text:Flow chart: Read load data: primitive matric, slack bus voltage, real and reactive bus powers, etc. 7=7+1 start Formulate Y matrix using load flow data Make initial assumptions and for i=2,3,...,n Set iteration counts 7=0 Compute P, for all buses except slack bus and Q for all PQ bus YES Evaluates power mismatches AP and AQ Max ΔΡ. >8 Max ΔΩ > E Evaluate Jacobian matrix elements B-K AP [J₁ J₂ ΔΩ] [J, JA ΔΡ. Evaluate increments and update bus voltages and phase angles NO Calculate line flows, line losses and power at slack bus Output load flow solution; voltage, magnitude, phase angle, etc. stop
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