AdvED: Chapter 7b
EE 5705
David Orser
Announcements
Project 2 (due Thursday, before midnight)
Material beyond the book posted to Moodle
Ted Brekkens Thesis Read Chapter 2 and 3 (21pgs)
Example 7.4 explanation
IEEE Paper by Tapia Modeling and Control
AdvEd: Chapter 2
EE 5705
David Orser
Today
Buffer day for you
Questions
HW2 review MATLAB
Space vector review
Induction machines in ABC
HW2 Review
Goto MATLAB
Space Vector Review
Review of last lecture materials
Space Vectors
Find ea, eb, ec
Space V
Review: Sinusoidal Windings
and Space Vectors
EE 5705
David Orser
Basic Machines
Review
Review of last lecture materials
Example
3b
) and torque (T )
Find the force ( fem
due to two conductors
B = 0.314 T r = 15cm
m =
l = 35 cm
lg = 1 mm
Ir = 10 A
em
Exa
AdvEd: Chapter 2
EE 5705
David Orser
Announcements
Survey Results 14 of 22 students
Generally positive, but room for improvement (4.1/5.0)
85% prefer a mix of regular lecture and active learning
Comments
Slow down! while explaining concepts
Faster pac
Review: Basic Machines
EE 5705
David Orser
Prev. Example 3c
Given a motor described below,
plot the air gap flux vs angle B()
N = 12 turns lair_gap = 1 mm
I= 2A
lrotor_path = 25 mm
r = 1000
lhalf_stator_path = 80 mm
Ag = 1e3
Ar = As = 0.225e3
Example 1a
AdvED: Chapter 2
EE 5705
David Orser
Review
Sign Convention Clarification
Current is positive going into
the three terminals of the
motor
Flux is positive coming out
of the rotor
Induction Machine (ABC)
Given:
Find , and
Note:
solid rotor
with no coils
AdvEd: Chapter 3
Part 2
EE 5705
David Orser
Announcements
Project Check Point had wrong due
date on Moodle
Today Lecture
Build voltage equations
Develop torque equations
Equiv Circuits
Chapter 3
Part 2
For back EMF:

BackEMF Blus
u
+
Back EMF caus
Magnetics Review
Lecture
Example 1
Given a toroid described below
find F, H, B, , , and L
N = 12 turns
I= 2A
r = 1000
Am = 5 E 106 m2
ravg = 25 mm
Reluctance, MMF, and Flux
Voltage MMF
Current Flux
Resistance Reluctance
Flux, like current, flows in a
AdvED: Chapter 6
EE 5705
David Orser
Announcements
Class Schedule
Exams Graded
Exam Results
Total
Min
13
Max
25
Mean
StdDev
18.79
2.84
Chapter 6
Separate the motor and estimator
Conceptualize errors
Quantify error terms
End of the world?
What happen
AdvEd: Chapter 5
EE 5705
David Orser
Announcements
Project Solution Posted
HW4 Posted Due Tuesday (before class)
Note: The examples ZIP file included below
Exam Thursday
Chapter 5 will be light in lecture, but heavy in
application
If you dont have q
AdvEd: Chapter 2
EE 5705
David Orser
Announcements
Minor correction on the Project part 1c
; remembering that
Class on March 3rd will be cancelled due to travel
Depending on schedule an alternative lecture will be
generated
Review
Voltage Rating of Ma
Rotational Systems Review
EE 5705
David Orser
Example 1: Torque
0 = 0
o
Jeq = 2 kg m
2
Motor
Tem
TL
Load
o = 0
At t=0, 1 Nm of torque is applied by the motor.
What is the speed of the motor/load at t=2 ?
Example 1: Torque
0 = 0
o
Jeq = 2 kg m
2
Motor
Tem
AdvEd: Chapter 4
EE 5705
David Orser
Announcements
Project Extended 2/25/2016
Project Requirements
PDF Written Report
Intro, body, conclusion
Tell the story of how you built your model
Explain how/if your model meets expectations
ZIP file with full
AdvEd: Chapter 4
EE 5705
David Orser
Announcements
Project Due Tonight
Chapter 5 will be light in lecture, but
heavy in application
If you dont have questions we will have
short classes
Agenda
Split Second PPU Review
Vector Control  Goals
Base Equatio
AdvED: Ch6, Ex1, Pr2, Ch7
EE 5705
David Orser
Announcements
Project 2
Checkpoint due tonight
Startup sims so far (MATLAB files)
Feel free to include any content from parts 3 or 4
I will review and comment
Hint: In part 3 and 4: You need a completely
AdvED: Final Review
EE 5705
David Orser
Announcements
Final March 5th !
Project 3: Checkpoint accepted through
March 5th at midnight
Today
Review exam coverage
Take questions on project 3
Exam Details
~1 hour exam (1:05 hours technically)
Short an
AdvED: Chapter 7
EE 5705
David Orser
Announcements
Project 2
(Un)Fortunately, there are Simulink files for project
2 in Chapter 7 examples
Interesting behavior with R_r_est = R_r * 2 and
our large motor
DFIG
If in generating
mode what are
the signs of
AdvED: Chapter 7+
EE 5705
David Orser
Announcements
HW5 posted
Power from the wind
I
Regions:
I Low wind cutout
II Maximum power tracking
III Peak power
VI High wind cutout (not shown)
II
III
Power vs. Rotational Speed
= air density
= rotor radius
= wind
AdvED: Chapter 10+
EE 5705
David Orser
Announcements
No Class Thursday
see web for video
Project Proposals Returned
Questions Today till 4pm
Reminder your own report, sim, etc.
Agenda
Salient pole synchronous machines
Interior permanent magnet mac
AdvED: Chapter 10
EE 5705
David Orser
Announcements
Quiz Today!
Er, an excuse to get you to complete SRTs
Agenda
Permanent magnet AC machines
Salient pole synchronous machines
SRTs
Reminder:
Remaining Course Content
Project proposal (extra credit H
AdvED: Chapter 9
Direct Torque Control
EE 5705
David Orser
Announcements
HW5 Due 4/19
Project 3 is still in the works (hopefully by end of the
day Friday)
Direct Torque Control (DTC)
DTC is direct application of voltage to
achieve control objectives (F
AdvED: Chapter 7+
EE 5705
David Orser
Announcements
Project 2 (due Today, before 11:55pm)
Drop Box is Open (let me know if you see problems)
Ch7+  Material beyond the book posted to Moodle
Added: NREL Technical Report Adaptive Controls
Chapter 2
DFI
AdvED: Chapter 6
EE 5705
David Orser
Announcements
Plans for Final
After several more rounds of feedback and
discussion with students
Final will be May 5th
Project 3 will be due May 14th at midnight
Project 2 posted
Part 1 and 2 are ready to go (due