POWER SYSTEM
*Solar Power Plan*
Brief
Your report should answer the following questions in detail:
1. Discuss what is meant by the transient stability of a power system and what assumptions have you made for this study.
2. Describe the procedure you need to carry out to determine the stability of the system.
3. Describe some of the recent methods you may have to consider to maintain the stability of the system.
4. Word Count 3000.
Resources
Website Course Material Textbook
Working Arrangements
Students should follow the given outline:
I. Introduction
a. Identify the type power system to be put up. It should be a power system using an alternative source that is abundant in that place
b. Justify the type power system to be put up
II. Transient Stability
1. What is meant by transient stability
2. Assumptions made in the study
III. Determining stability of the system
1. Importance of determining stability in the system
2. Describe the procedure in determining the stability of the system
IV. Maintaining Stability
1. Importance of maintaining stability
2. New methods in determining stability of the system
V. Conclusion
Assignment 2:
Learning Outcome:
Model and analyse the flow and control of electrical energy within primary power and final distribution systems.
Description of Assignment
A power system with four buses and four transmission lines is shown in Figure 1. The base apparent power of this power system is 200MVA. The bus data for the power system is given in Table 1 and the line data for the power system is shown in Table 2.
Table 1:
|
Bus Data for the Power System
|
|
Bus
|
Load
|
Generator
|
Loads
|
Voltage
|
Reactive Power limit
|
|
Number
|
Type
|
PG (MW)
|
QG (MVAR)
|
PD (MW)
|
QD (MVAR)
|
|
Qmin
|
Qmax
|
|
|
|
|
|
|
|
|
|
|
|
1
|
Slack
|
0
|
0
|
0
|
0
|
1 pu
|
0
|
0
|
|
2
|
P-Q
|
0
|
0
|
|
|
1 pu
|
0
|
0
|
|
3
|
P-V
|
|
0
|
0
|
0
|
1.2 pu
|
-200
|
|
|
4
|
P-Q
|
0
|
0
|
|
|
1 pu
|
0
|
0
|
Table 2
|
Series Impedance
|
|
|
From
|
R
|
X
|
|
1-2
|
|
|
|
2-3
|
|
|
|
3-4
|
|
|
|
4-1
|
|
|
|
1-3
|
|
|
Brief
You are required to use GAUSS-SEIDEL method to answer the following questions:
a. Explain the step by step procedure for the power flow analysis for the method you have chosen.
b. Determine the bus admittance matrix of the given system.
c. Find the line voltage in each bus.
d. Calculate the Slack power.
e. Determine the line currents and the line losses.
f. Draw the power flow diagram and indicate the direction of the real power in the diagram.
Working Arrangements
I. Procedure for the power flow
II. Bus Matrix Calculation
III. Line Voltage calculation using a number of iteration
IV. Slack Power Calculation
V. Line Current Calculations , each line current
VI. Line Losses Calculation, each line lossed
VII. Power Flow Diagram