speed control of three phase induction motor with advanced thermal protection pdf
Design and Implementation of a Three-Phase Induction Motor Control Scheme
Ngày tải lên :
27/10/2013, 23:15
...
proportional to the relative speed of the magnetic field with respect to the speed of the
rotor.
4.2 The Electrical principles of an Induction motor
The induction machine is an electrical ... of the degree of Bachelor of Engineering (Honours)
in the division of Electrical Engineering, I present the following thesis entitled “Design
and Implementation of a Three- Phase Induction Motor ... a control strategy that varies the frequency and voltage of the
signal applied to the windings of the induction motor, while controlling the flux created
in the air-gap of the induction motor. ...
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Tài liệu Insight into Alternative Approaches for Control of Avian Influenza in Poultry, with Emphasis on Highly Pathogenic H5N1 doc
Ngày tải lên :
21/02/2014, 01:20
... protection of chicken embryos against H7N3 subtype [120]. Catechins alter the
infectivity of influenza viruses probably not only by direct interaction with viral HA but also by
inhibition of ...
alternative approaches for control of AIV in poultry particularly against the HPAI H5N1 subtype.
2. Antivirals
2.1. Chemotherapy
The use of chemotherapeutic agents for control of AIV in poultry was ... degradation of complementary
viral mRNAs and results in inhibition of a broad spectrum of influenza viruses replication in cell lines,
chicken embryos and mice just before or after initiation of an...
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Báo cáo "Determining thermal expansion coefficients of three-phase fiber composite material reinforced by spherical particles " potx
Ngày tải lên :
28/03/2014, 13:20
... coefficients of three- phase composite material more
than that of two - phase composite material in [7]. So, embedding spherical inclusions into continous
matrix phase of two - phase fiber composite ... coefficients of three- phase composite material reduce.
4. Conclusions
Based on the idea solving the problem of three- phase composite material through problems of
known two - phase composite ...
expressions of thermal expansion coefficients of three- phase fiber composite material reinforced by
spherical particles as functions of elastic specificities of constituents, thermal expansion...
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Control of enzymatic browning in apple with ascorbic aci
Ngày tải lên :
18/05/2014, 20:10
... than the combination of P-CD with an equimolar
concentration of AA (Expt. 12). The combination of B-CD
with AAP was similar in effectiveness to that of sodium cin-
namate with AAP, both treatments ... obtained. An index of treatment
Volume 54, No. 4, 1989-JOURNAL OF FOOD SCIENCE-997
CONTROL OF ENZYMATIC BROWNlNG IN APPLE. . ,
Table 1 -Inhibition of enzymatic browning at cut surface of Red Delicious ... substrates might be
Volume 54, No. 4, 1989-JOURNAL OF FOOD SCIENCE-1001
CONTROL OF ENZYMATIC BROWNING IN APPLE. .
controlled by the addition of AA or AA derivatives, as was
done in the combination...
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Tài liệu Báo cáo khoa học: Three-dimensional structures of thermophilic b-1,4-xylanases from Chaetomium thermophilum and Nonomuraea flexuosa Comparison of twelve xylanases in relation to their thermal stability pdf
Ngày tải lên :
20/02/2014, 23:20
... were chosen without
ligands.
The superimposition of three- dimensional structures
confirmed the subgroups of xylanases based on sequence
similarities. For example, the lowest rmsd value of thermo-
philic ... 197
residues with a sequence GNPGNP at the C-terminus. The
sequence GNPGNP seems to be a part of the C-terminal tail
of the full-length NFX with total 301 residues. The amino
acids of the C-terminal ... method with bulk-
solvent corrections. The water molecules of the CTX
model were positioned automatically with the wARP [26]
but were also checked and finalized with the O. The water
molecules of...
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THE EFFECTS OF THREE ORGANIC CHEMICALS ON THE UPPER THERMAL TOLERANCES OF FOUR FRESHWATER FISHES potx
Ngày tải lên :
14/03/2014, 20:20
... recognized as a measure
of thermal tolerance and an indicator of thermal stress in ec-
tothermal animals [11,12]. The term CTM represents both a
parameter and a method, and often has been used to ... comprehen-
sive definition of CTM was advanced by Cox [10], who states
that, ‘‘The Critical Thermal Maximum or Minimum is the
arithmetic mean of the collective thermal points at which lo-
comotory activity ... temperature tolerance of
stream fish.
J Thermal Biology
3:105–108.
30. Bonin JD. 1981. Measuring thermal limits of fish.
Trans Am Fish
Soc
110:662.
31. Smith MH, Scott SL. 1975. Thermal tolerance and...
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báo cáo hóa học:" Association between neuroserpin and molecular markers of brain damage in patients with acute ischemic stroke" pdf
Ngày tải lên :
20/06/2014, 03:20
... patients
treated with tPA [6], which is in line with the results of
the present manuscript, where a greater decrease in neu-
roserpin serum levels within the first 24 hours was corre-
lated with lower ... neuro-
protective role of neuroserpin without the disturbance
of rtPA. Seven patients did not accept to participate and
6 patients were lost during the follow-up, therefore, a
total of 129 patients ... research was carried out in accordance with the
Declaration of Helsinki of the World Medical Associa-
tion (2000) and approved by the Ethics Committee of
the participating hospital. Informed...
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Báo cáo hóa học: " Research Article Capacity of Wireless Ad Hoc Networks with Opportunistic Collaborative Communications" pdf
Ngày tải lên :
22/06/2014, 22:20
... assumptions. In [1], the scaling law of
the transport capacity (measured in bps per meter) versus
the number of nodes that was derived under the assump-
tion of a static network with multihop (MH) and point-
to-point ... computation of the ca-
pacity region of wireless networks under given transmission
protocols was proposed. The protocols considered in [2] in-
cluded single/multihop transmission with or without ... the capacity
region of an ad hoc network with single-relay amplify-and-
Forward (AF) transmission was studied.
A major observation in interpreting the capacity region
of [2] with MH is that in...
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Tài liệu ime Control of a Three Phase 4 Wire PWM Inverter with Variable DC Link Voltage and Battery Storage for PV Application doc
Ngày tải lên :
19/01/2014, 02:20
... filter
a
n
ces is elim
i
a
lidity of th
e
m
ore attenti
o
n
large centr
a
e
te Ti
m
M
In
v
g
e an
d
.
Said El-
B
a
r
o
l of a three
p
o
f three pha
s
n
with batter
y
o
f a photovo
l
v
oltage ... volt
e
sult of the
c
capacitor v
o
w
=2000
Ω
)
a
t
s of the dea
e
inverter c
u
r
due to loa
d
g
ure 5 show
s
o
ltage of the
R
v
=20Ω , R
w
y
namic perf
o
age is quick
c
ontrollable
o
ltage of ... cas
e
er of PV ge
n
r
ature and cl
ition it is ne
V-I charac
t
by the DC/
D
o
al of the s
y
h
constant a
m
p
oint of the
u
e to load u
n
a
nd midpoi
n
s
problem t
h
d
ing to load
a
r region of...
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- 0
- speed control of single phase induction motor using pwm technique
- speed control of three phase induction motor using pwm technique
- speed control of 3 phase induction motor using microcontroller filetype pdf
- speed control of three phase induction motor pdf
- speed control of single phase induction motor using microcontroller pdf
- speed control of single phase induction motor using pwm pdf
- speed control of single phase induction motor using triac pdf
- speed control of 3 phase induction motor ppt
- speed control of single phase induction motor ppt
- speed control of three phase induction motor ppt
- circuit diagram of speed control of 3 phase induction motor
- speed control of single phase induction motor using triac circuit
- speed control of single phase induction motor using triac ppt download
- speed control of single phase induction motor pdf
- speed control of three phase induction motor using pwm ppt
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