EE24 Basic Electrical Engineering
Assignment 8
Due: March 6, 2014 at 3:00pm NW201
1. Find Vab using source transformation.
2. Find the Thevenin equivalent circuit for the network external to the resis
EE153 ENERGY CONVERSION
Assignment 3
Due: January 28, 2013 at 1:30pm NW201
1. A rectangular coil of sides 10cm by 5cm is rotated in a magnetic field of flux
density 1.5T where the longer sides cut the
EE153 Lecture 13:
Introduction to Fluiddynamic Energy Conversion
Engr. Paulo E. Tindogan
1
References
http:/www.ustudy.in/node/3546
http:/ffden2.phys.uaf.edu/645spring2010_web.dir/srikamal/page3.htm
2
EE153 ENERGY CONVERSION
Assignment 6
Due: February 18, 2014 at 1:30pm NW201
1. A coil which measures 30mm by 40mm carries a current of 200mA. The coil is
pivoted about an axis passing through the midd
EE24 Basic Electrical Engineering
Assignment 5
Due: February 11, 2014 at 3:00pm NW201
1. Using a) branch current method; b) mesh analysis; c) nodal analysis, find V 1, V2
V3 and the current flowing in
LECTURE 7
DC generator losses:
1.Copper loss due to heat losses in the
armature and field windings
a. Armature copper loss = Ia2Ra
b. Shunt field copper loss = Ish2Rsh
c. Series field copper loss = Is
MAPUA INSTITUTE OF TECHNOLOGY
INTRAMUROS, MANILA
EE153 ENERGY CONVERSION
Surname: _
First Name: _
Student No.: _
Assignment No.: _
Date of Submission: _
SCORE
LECTURE 1
The International System of Units
(SI)
symbol: q (for time-varying) unit : Coulomb (C)
Q (for constant charge)
Proton positive
Electron negative
Neutron neutral
1C = 6.24 x 1018 e- or p+
Ele
EE153 ENERGY CONVERSION
Assignment 3
Due: January 28, 2013 at 1:30pm NW201
1. A rectangular coil of sides 10cm by 5cm is rotated in a magnetic field of flux
density 1.5T where the longer sides cut the
EE153 Lecture 11:
Introduction to Thermoelectric Energy Conversion
Engr. Paulo E. Tindogan
1
References
http:/www.mhtl.uwaterloo.ca/Professional_Animation_Seebeck_File_HT
ML.html
http:/www.mpoweruk.co
Wind Power and Wind
Turbines
Engr. Paulo E. Tindogan
PPT prepared by:
BJ Furman
K Youssefi
Outline
Wind causes?
Wind Power example
Wind Turbine Design
Aerodynamics
Wind what causes it?
Atmospheric
LECTURE 2
DETERMINATION OF MAGNETIC FORCE AND
TORQUE FROM MAGNETIC FIELD ENERGY
Consider the magnetic circuit below:
The energy input to set up a flux (t) in an N-turn coil:
Where:
DETERMINATION OF MA
LECTURE 5
EMF Equation for a DC Generator
Speed = N/60 rps. Therefore, time taken in one revolution is
60 / N
Total flux traversed by one conductor in one rotation,
P
P
NP
e
t 60 / N
60
As the armat
LECTURE 2
Review of V, I, and R
Voltage is the amount of energy per charge available to
move electrons from one point to another in a circuit.
Current is the rate of charge flow and is measured in
amp
EE153 ENERGY CONVERSION
Assignment 4
Due: February 4, 2014 at 1:30pm NW201
1. An 8-pole duplex wave DC generator has 50 slots, 2 coil sides per slots and 5
turns per coil. The pole shoe subtends an an
EE24 Basic Electrical Engineering
Assignment 1
Due: January 14, 2014 at 3:00pm NW405
1. A 5A current passes a given point for 10 minutes. How many electrons passed
the given point?
2. Convert the foll
LECTURE 9
Force on a current-carrying conductor in a
magnetic field
The force depends upon:
Force on a current-carrying wire in a
magnetic field.
3
Flux compression and resulting
force.
4
e
Forc
Cu
rr
EE153 ENERGY CONVERSION
Assignment 5
Due: February 11, 2014 at 1:30pm NW201
1. A short-shunt dc generator delivers 200A at 500V. The resistances of the
armature, shunt, series, divertor, compensating
EE24 Basic Electrical Engineering
Assignment 4
Due: February 4, 2014 at 3:00pm NW201
1. Design a voltmeter with the following ranges: a) 0 50V; b) 0 100V. Assume
Rm = 5k and the f.s.d. is 2mA.
2. Desi
EE153 ENERGY CONVERSION
Assignment 6
Due: February 18, 2014 at 1:30pm NW201
1. A coil which measures 30mm by 40mm carries a current of 200mA. The coil is
pivoted about an axis passing through the midd