Three Phase Systems
9.11
295
MEASUREMENT OF POWER
Star-Connected Balanced Load with Neutral Point
Power can be measured in this case by connecting a single wattmeter with its
current coil in one line and the pressure coil between the line and the neutral
Tutorial #1
Dr. George Mann,
Department of Mechanical Engineering
SLIIT, Sri Lanka
2016
Q1
Find the Laplace transform of the followings.
(a) f (t) = e0.4t cos 12t (b) f (t) = sin (5t + /4) (c) f (t) = sin t cos t.
Q2
Find inverse Laplace of following func
ENGR 6925: Automatic Control Engineering
Class Supplementary Notes 4
Dr. George Mann,
Faculty of Engineering and Applied Science
Memorial University of Newfoundland
Fall 2007
Feedback Control Systems
A control system consists interconnection of components
ENGR 6925: Automatic Control Engineering
Supplementary Notes: 2
Dr. George Mann,
Faculty of Engineering and Applied Science
Memorial University of Newfoundland
Fall 2007
Laplace Transformation
In the Laplace transform we will convert the time domain probl
ENGR 6925: Automatic Control Engineering
Supplementary Notes on Modelling
Dr. George Mann,
Faculty of Engineering and Applied Science
Memorial University of Newfoundland
Fall 2009
Mathematical modelling of dynamic systems
Dynamic modelling is an important
1 Guerrero
Ramrez
Ensayo comparativo de las obras: A Puerta Cerrada de Jean Paul Sartre y
La Cantante Calva de Eugne Ionesco
El primer texto, A Puerta Cerrada, es una obra del filsofo Jean Paul Sartre. Esta
puesta en escena fue montada por primera vez en
1 Guerrero
Ramrez
Reporte de lectura de la obra: Pedro Pramo de Juan Rulfo
Pedro Pramo es una obra escrita por Juan Rulfo en 1955, que relata la historia del
pueblo de Comala y de la vida de su cacique, Pedro Pramo. La historia comienza con
la visita de J
Tipo y nm. de actividad (tarea,ER,ET,EP):
ET 1
aplicacin: 24 01 14
# de
Tipo de error(es)
Causa del error (falta de
Acciones que si vas a
problema (consulta el archivo concentracin, presin,
tomar para no volver
tipo de errores)
nerviosismo, bloqueo, no
a
36. What stock problems does the catering department face? (1 mark)
Since the Head of Catering is having problems managing the actual stock and
they are also having difficulties in making calculations of closing stock values.
This is a problem because the
36. What stock problems does the catering department face? (1 mark)
Since the Head of Catering is having problems managing the actual stock and
they are also having difficulties in making calculations of closing stock values.
This is a problem because the
Objective
-To apply the concepts seen in class about DNA analysis through
Electrophoresis and comparing in the type and measure of the DNA strands.
- To apply our knowledge of drug analysis in order to identify drugs using the
Bouchardat and Duquenois met
Guerrero 1
Study Case 1
Se impacta contra un muro y se pela
Metro, January 27th, 2014.
Type of place: Mixed place. I would cordon 30 square meters.
Preservation: The scene was well preserved, although we cant see in
the pictures if the area was cordoned
1
Comparacin del personaje de Fedra en Fedra e Hiplito
La obra Hiplito de Eurpides es una tragedia que pertenece a la literatura
griega, fue escrita en el ao 428 a.C. Esta obra es un relato en el cual
podemos encontrar temas como el amor y la venganza. Fe
CE:3501: Control Systems, 2016
Tutorial #2
Dr. George Mann,
Professor in Mechanical Engineering
SLIIT, Sri Lanka
Year 3, Semester 1
Q1
Figure Q1 shows an antenna azimuth position control system for angular velocity. For this
system (a) Find the damping ra
ENGR 6951: Automatic Control Engineering
Supplementary notes on Stability Analysis
Dr. George Mann,
Department of Mechanical Engineering
Memorial University of Newfoundland
Fall 2015
Example of determining Suitable K value to meet stability specifications
MODULE OUTLINE
Module Name
Module Code
Year/Level
Credit Points
Pre-requisites
Control Systems
EC3501
Version No.
2015-1
3
Semester
1
03
MA1300 Engineering Mathematics I
MA1310 Engineering Mathematics II
MA2300 Engineering Mathematics III or equivalent
Co
Problem Chapter 1 Electric Machinery Fundamentals
(Due date: Sec I 13/6/11, Sec II 14/6/11)
1. A ferromagnetic core is shown in Figure P1-2. The depth of the core is 5 cm. The other
dimensions of the core are as shown in the figure. Find the value of the
The flux density on the right side of the core is
B=
1-6.
A
=
0.005 Wb
= 2.0 T
(0.05 m )(0.05 m)
A ferromagnetic core with a relative permeability of 1500 is shown in Figure P1-3. The dimensions are as
shown in the diagram, and the depth of the core is 7
1. MEASUREMENT OF MUTUAL INDUCTANCE OF TWO COILS USING RLC METER
1.1. The total inductance was measured after the circuit was designed according to figure 1 and the
total inductance was measured using the RLC meter.
Figure 1
Total Inductance = L1 + L2 + 2
SLIIT
Electromagnetic and Electromechanical Energy
Conversion
Experiment 01
Sirinama H. D. A. D. Y.
EN14551758
Group 08
Experiment 01 Part 01
Phase Sequence and Phasing out of Transformers
1.1.2 When the circuit was connected according to the figure 01
th
Sri Lanka Institute of Information Technology
Faculty of Engineering
Department of Electrical and Computer
Engineering
EC2210: Electromagnetic and Electromechanical
Energy Conversion
Lab 04
Name
Index Number
Group
Submission Date
: Dassanayake G.N.M
: EN
Sri Lanka Institute of Information Technology
Faculty of Engineering
Department of Electrical and Computer
Engineering
EC2110: Electromagnetic & Electromechanical
Energy Conversion
Lab 02
Name:
G.N.M Dassanayake
Index Number:
EN14557170
Group:
G6
Submissi
Sri Lanka Institute of Information Technology
Faculty of Engineering
Department of Electrical and Computer
Engineering
EC2210: Electromagnetic and Electromechanical
Energy Conversion
Lab 02
Name
Index Number
Group
Submission Date
: De Silva O.R.M.
: EN 14
Sri Lanka Institute of Information Technology
Faculty of Engineering
Department of Electrical and Computer Engineering
EC221: Electromagnetic and Electromechanical
Energy Convention
Experiment 01
Name
: Pathinayake H.P.D.S
Index Number
: EN14522666
Group
Sri Lanka Institute of Information Technology
Faculty of Engineering
Department of Electrical and Computer Engineering
EC221: Electromagnetic & Electromechanical
Energy Conversion
Lab 1
Name : G.N.M Dassanayake
Index Number :EN14557170
Group
: G6
Submissi
SRI LANKA
INSTITUTE OF INFORMATION TECHNOLOGY
Date
Mid-term Examination -Timetable
Year 2 Semester II - August 2015
Bachelor of Engineering UGC/Curtin
Time
Location
Subject
Code
Subject
10/08/2015
( Monday )
9.30 am 10.30 am
CE204
Structural Analysis II
(
2. Determine the unit step response for the following system
G(s) =
2(s 1)
(s + 1)(s + 2)
Answer:
The Laplace transform of the unit step response has the following partial fraction expansion
Y (s) =
G(s)
1
4
3
=
+
s
s s+1 s+2
Taking the inverse Laplace
Curtin University of Technology
Department of Electrical and Computer Engineering
CS301/CS603
Tutorial 1
1. Under zero initial conditions, use the Laplace transform method to find the impulse response
of each of the systems with the following dynamic equa
18
TABLE 2-1
Laplace Transform Pairs
The Lapiace Transform
Chap. 2 TABLE 2-1
l
1
3w
(continued)
sin wt - wt cos a)!
1 , t
2wtsmw
I COS wt
'*:(cos w]! cos (1):!)
r, a);
(sin a)! + (.1)! cos w!)
(w? w>
19 TABLE 22 Properties of L