ECE 5500
SPRING 2016
POWER SYSTEM ANALYSIS
Homework Assignment # 1
Due Date: April 14, 2016
1) Complex numbers z1 and z2 are given by following:
z1 = 3 j2
z2 = 4 + j2
(a) express z1 and z2 in polar fo
ECE 5500
SPRING 2015
POWER SYSTEM ANALYSIS
Homework Assignment # 2
Due Date: April 16, 2015
submit by midnight EST
1) A three identical 9-MVA, 7.2/4.16 kV, single-phase transformers are connencted in
Introduction to Power System
Engineering
Lecture #6
Slobodan Paji
c
Worcester Polytechnic Institute
1
Network Matrices
1.1
Introduction
This lecture deals with the steady-state analysis of an interco
ECE 5500
SPRING 2015
POWER SYSTEM ANALYSIS
Homework Assignment # 4
Due Date: May 7, 2015
submit by midnight EST
1) A transmission cable, of length 4.5 km, consists of 20 strands of identical copper co
ECE 5500
FALL 2017
POWER SYSTEM ANALYSIS
Homework Assignment # 1
Due Date: September 21, 2017
submit by midnight EST
Homework Assignment # 1 covers:
complex numbers
single-phase AC circuits
balance
ECE 5500
SPRING 2015
POWER SYSTEM ANALYSIS
Homework Assignment # 3
Due Date: April 23, 2015
submit by midnight EST
1) A synchronous generator may be represented by a voltage source of magnitude 1.7 pu
ECE 5500
WINTER 2017
POWER SYSTEM ANALYSIS
Homework Assignment # 2
Due Date: February 2, 2017
1) A single-phase 50 kVA, 2400/240 V, 60 Hz distribution transformer is used as a step-down
transformer at
SYLLABUS
ECE 5500
WINTER 2017
POWER SYSTEM ANALYSIS
FORMAT :
10 classes on Thursdays, 4:00 PM-8:00 PM (EST)
Starting January 19, 2017 and ending March 23, 2017
INSTRUCTOR:
Dr. Slobodan Pajic
email: sl
ECE 5500
WINTER 2017
POWER SYSTEM ANALYSIS
Homework Assignment # 3
Due Date: February 9, 2017
1) A 60 MVA, 69.3 kV, three phase synchronous generator has a synchronous reactance of 15
/phase and negli
ECE 5500
WINTER 2017
POWER SYSTEM ANALYSIS
Homework Assignment # 6
Due Date: March 9, 2017
submit by midnight EST
1) Fig. 1 shows the one-line diagram of a six-bus system. Line reactances of the syste
ECE 5500
WINTER 2017
POWER SYSTEM ANALYSIS
Homework Assignment # 1
Due Date: January 26, 2017
1) Evaluate each of the following complex numbers and express the result in rectangular form
(a) z1 = 3ej/
1
Transmission Line Parameters
We need to define transmission-line parameters in order to develop a
useful transmission-line model for use in general power system studies
Transmission lines in a pow
1
Introduction to AC Machines
Traditional AC machines
- synchronous machines
- induction machines
Synchronous machines (SM): Rotor winding currents are supplied directly from a stationary frame thro
Name:
PS1
SPRING 2006
INTRODUCTION TO POWER SYSTEMS ENGINEERING
Exam #2
Date: June 3, 2006
Open textbook, open notes. Show all work; no credit will be given for correct answers without
supporting calc
ECE 5500
SPRING 2015
POWER SYSTEM ANALYSIS
Homework Assignment # 6
Due Date: May 21, 2015
submit by midnight EST
1) For the system in Fig. 1, the line impedances are given in Ohms, and line charging i
Introduction to Power System
Engineering
Lecture #1
Slobodan Paji
c
Worcester Polytechnic Institute
1
Complex numbers - review
A complex number Z is written in the rectangular form
Z = a + jb
where
a
Slobodan Pajic (WPI)
MATLAB notes
1
What is MATLAB?
MATLAB (MATrix LABoratory) is an interactive program for scientific and engineering numeric calculation
and programming language
Getting help from w
CHAPT
=R
Synchronous Machines
s we have seen in Section 4.2.1, a synchronous machine is an ac machine
whose speed under steady-state conditions is proportional to the frequency
of the current in its a
SYLLABUS
ECE 5500
SPRING 2015
POWER SYSTEM ANALYSIS
FORMAT :
10 classes on Thursdays, 4:00 PM-8:00 PM (EST)
Starting April 2, 2015 and ending June 4, 2015
INSTRUCTOR:
Dr. Slobodan Paji
c
Atwater Kent
Introduction to Power System
Engineering
Lecture #7
Slobodan Paji
c
Worcester Polytechnic Institute
1
Introduction
Under abnormal (fault) conditions power system may become unbalanced
Figure 1: Some
Introduction to Power System
Engineering
Lecture #8
Slobodan Paji
c
Worcester Polytechnic Institute
1
Stability - Introduction
Idea of stability of the physical system:
If on the occurrence of a dis
Introduction to Power System
Engineering
Lecture #5
Slobodan Paji
c
Worcester Polytechnic Institute
Last time:
developed transmission line models
Today:
examine power transfer capabilities of transm
Introduction to Power System
Engineering
Lecture #2
Slobodan Paji
c
Worcester Polytechnic Institute
1
The Per Unit System
In power system calculations a normalization of variables called per
unit sys
Introduction to Power System
Engineering
Lecture #4
Slobodan Paji
c
Worcester Polytechnic Institute
1
Transmission Line Parameters
We need to dene transmission-line parameters in order to develop a
u
Introduction to Power System
Engineering
Lecture #3
Slobodan Paji
c
Worcester Polytechnic Institute
1
Introduction to AC Machines
Traditional AC machines
- synchronous machines
- induction machines
1
The Per Unit System
In power system calculations a normalization of variables called per
unit system is almost always used.
Why do we need the per unit system?
Power system voltages are typically
1
Complex numbers
A complex number Z is written in the rectangular form
Z = a + jb
where
a
real part <ecfw_Z;
b
imaginary part =mcfw_Z;
j = 1 imaginary constant.
Exponential or Polar form
Z = |Z|ej
Lab #0 : Introduction to the MSP430f5529 Launchpad-based Lab Board and Code
Composer Studio
Submitted by:
Submitted to:
Professor Susan Jarvis
January 26th, 2016
Introduction:
In Lab #0, we learned ab
ECE 5511
SPRING 2016
TRANSIENTS IN POWER SYSTEMS
Exam 1
Date: June 29, 2016
Open textbook, open notes, the use of Matlab is allowed and encouraged
where necessary. Show all work; no credit will be giv
ECE 5511
SPRING 2014
TRANSIENTS IN POWER SYSTEMS
Exam 2
Date: June 9, 2014
Open textbook, open notes. Use of Matlab is permitted. Show all work; no
credit will be given for correct answers without sup