Microbiology Laboratory Research Report Instructions Each student must write one research report on their assigned organism. The format for the report is outlined below. The report should be more than two pages in length, but a maximum of four pages long (not including pictures and references). All text should be 12 point font and single spaced with 1 inch margins. The name of the Microorganism is STREPTOCOCCUS PYOGENES Format for Research Reports - Each student will write his or her own research report based on the organism that they are assigned. The focus of the lab report will be how you would identify your particular microorganism. Each lab report should consist of the following sections that should be identified using the following word/wording: Title – The title should be the name of the organism that is the subject of your report. Introduction – A background on your microorganism covering things such as diseases it might be associated with and virulence factors (Please list virulence factors that the organism uses to promote the disease state i.e. Glycoprotein Spikes, ability to change genetically). Identification – You should have the main body of the paper focus on how you would identify your microorganism, covering the following areas; 1) Cell Morphology – talk about staining procedures that can be used to identify your microorganism as well as what it looks like after the staining procedures are done i.e. after simple staining. 2) Gram (+) or Gram (-) – How you would use the gram staining procedure and what the outcome would be with your microorganism. 3) Special Stains – How and what specials stains you would use to identify your microorganism. 4) Other differential stains you might be able to use such as Acid-Fast Staining. 5) Colony Morphology – How you would set-up to look at colony morphology and what your bacteria would look like on the appropriate media it grows on. 6) Selective and Differential Media – What media you would use to identify your microorganism and what the outcome would be. Summary – A summary paragraph about your microorganism as it relates to identification. References – Please include a list of references you used to create your report using MLA citation style (Check this website for examples: http://www.library.cornell.edu/resrch/citmanage/mla). A minimum of 3 references should be cited, which must be journal Articles ( Please do not use Web pages or Wikipedia or Youtube as a reference!) Grading and Timeline - This report is worth 200 points and is due on the day of the final exam. On this day, you will need to hand in a hard copy of the report. I will not accept electronic versions! Points will be awarded based on format (40 points), content (120 points), and grammar/spelling (40 points). ECE 5750 Distribution System & Power Quality Part 8: Basic principles, analysis & control of power system harmonics Instructor: Dr. Ha Le Department of Electrical and Computer Engineering Cali ...

1. Microbiology Laboratory Research Report Instructions
Each student must write one research report on their assigned
organism. The format for the report is outlined below. The
report should be more than two pages in length, but a maximum
of four pages long (not including pictures and references). All
text should be 12 point font and single spaced with 1 inch
margins. The name of the Microorganism is STREPTOCOCCUS
PYOGENES
Format for Research Reports - Each student will write his or her
own research report based on the organism that they are
assigned. The focus of the lab report will be how you would
identify your particular microorganism. Each lab report should
consist of the following sections that should be identified using
the following word/wording:
Title – The title should be the name of the organism that is the
subject of your report.
Introduction – A background on your microorganism covering
things such as diseases it might be associated with and
virulence factors (Please list virulence factors that the organism
uses to promote the disease state i.e. Glycoprotein Spikes,
ability to change genetically).
Identification – You should have the main body of the paper
focus on how you would identify your microorganism, covering
the following areas;
1) Cell Morphology – talk about staining procedures that can be
used to identify your microorganism as well as what it looks
like after the staining procedures are done i.e. after simple
staining.
2) Gram (+) or Gram (-) – How you would use the gram staining
procedure and what the outcome would be with your

2. microorganism.
3) Special Stains – How and what specials stains you would use
to identify your microorganism.
4) Other differential stains you might be able to use such as
Acid-Fast Staining.
5) Colony Morphology – How you would set-up to look at
colony morphology and what your bacteria would look like on
the appropriate media it grows on.
6) Selective and Differential Media – What media you would
use to identify your microorganism and what the outcome would
be.
Summary – A summary paragraph about your microorganism as
it relates to identification.
References – Please include a list of references you used to
create your report using MLA citation style (Check this website
for examples:
http://www.library.cornell.edu/resrch/citmanage/mla). A
minimum of 3 references should be cited, which must be journal
Articles ( Please do not use Web pages or Wikipedia or Youtube
as a reference!)
Grading and Timeline - This report is worth 200 points and is
due on the day of the final exam. On this day, you will need to
hand in a hard copy of the report. I will not accept electronic
versions! Points will be awarded based on format (40 points),
content (120 points), and grammar/spelling (40 points).
ECE 5750
Distribution System & Power Quality

3. Part 8: Basic principles, analysis & control
of power system harmonics
Instructor: Dr. Ha Le
Department of Electrical and Computer Engineering
California State Polytechnic University, Pomona
2
What will be presented?
1. Linear and nonlinear loads
2. Fourier series of distorted waveforms
3. Sources of harmonics
4. Effects of harmonic distortion on power systems
5. Harmonic voltage and distortion limits
6. Principles for controlling harmonics
Reading: PQ textbook, Chapter 6, 7
3
Fundamentals
of Harmonics

4. 4
What is harmonics?
devices
V(t)
I(t)
V
I
Nonlinear Resistor
5
Linear loads
drawing currents in linear
proportion to the applied
voltage.
impedance is constant over
time as the voltage and
current waveforms are
sinusoidal but they are also
perfectly in phase.

5. current lags the voltage
waveform by 90°. It is
linearly proportional to the
applied voltage.
6
Non-linear loads
draw currents in nonlinear
proportion to the applied
voltage.
NOT sinusoidal, i.e. contain
fundamental + harmonic
frequencies
periodic. Hence, they can be
decomposed into a weighted
sum of sinusoids whose
frequencies is an integer
multiple of fundamental
frequency of the periodic
waveform.
Current is discontinuous and periodic

6. 7
Idealized six-pulse rectifier
8
Adjustable speed drive
v(t)
diode
rectifier
transistor
inverter
current = 80%
ak current, approx. 300A
capacitor charging
100 HP, 6 pulse AC drive
Source: www.schneider-electric.us
ASD with
six-pulse
PWM VSI
9

7. Fourier series
Any periodic waveforms can be expressed as a weighted sum of
sinusoids, known as the Fourier series.
ꞏ
+
+
+
+
+
+
ꞏꞏ
+
60 Hz
(h = 1)
300 Hz
(h = 5)
420 Hz
(h = 7)
540 Hz
(h = 9)
660 Hz

8. (h = 11)
780 Hz
(h = 13)
180 Hz
(h = 3)
)sincos()( 1
1
10 tnbtnaati n
n
T
n

9. T
n
T
tdtnti
T
b
tdtnti
T
a
dtti
T
a
0 1
0 1
00
sin)(
2
cos)(
2
)(
1

10. i(t) = i(t + T)
10
Example: Fourier series (1)
Example 6.1:
11
Example: Fourier series (2)
Solution
for Example 6.1: From Fig. 6.4, it is clear that the current
waveform has odd symmetry. Therefore, a0=0 and an=0.
Coefficients bn are:
,...7,5,3,1
6
11

11. cos
6
7
cos
6
5
cos
6
cos
sin
2
sin
2
sin)(
2
00

12. 1
6/11
6/7 01
6/5
6/ 0
10
1
1
1
1

13. nwhere
nn
n
Inn

14. n
I
tdtnI
T
tdtnI
T
tdtnti
T
b
T
n

15. The calculation of bn can be simplified since the waveform has
both odd and
half-wave symmetry. Therefore,

16. 6
5
cos
6
cos
2
sin
4
sin)(
4
0
1

17. 6/5
6/ 0
1
2/
0
1
1

18. nn
n
I
tdtnI
T
tdtnti
T
b
T
n
12
Example: Fourier series (3)