electric motors and drives handbook pdf
Electric motors and drives technical manual 2010 edition
Ngày tải lên :
12/01/2014, 10:43
... class. Slip
-
ring
motors, commutator motors and brake motors
can all be made in
flameproof versions.
No external parts may cause sparks.
The motors must have both an interna
l and an external earthing ... sets the standards. Or at least many countries base
their standards very closely on the IEC standards (for example,
Germany's VDE 0530 standard and Great Britain's BS 2613 Standard
closely ... though, the standards can be grouped into two major
categories: NEMA and IEC (and its derivatives).
In North America, the National Electric Man
ufacturers Association
(NEMA) sets motor standards,...
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Electric Machines and Drives part 8 pdf
Ngày tải lên :
21/06/2014, 01:20
... voltages v
rGa
and v
rGb
, the IM rotor speed ω
mM
and its
estimation
ˆ
ω
mM
, the estimated IM load torque
ˆ
τ
ML
, and the estimated IM speed, given by
132
Electric Machines and Drives
52.6 ... la
commande des systèmes électromécaniques,” PhD thesis, Université de Paris XI, France,
2004.
[5] W. Leonhard, “Control of electrical drives, ” Spring-Verlag, 1985.
[6] M.S. Vicatos and J.A. ... 2002.
[13] A. J. van der Schaft, “L
2
–Gain and Passivity Techniques in Nonlinear Control,”
Springer–Verlag, Berlin, 1999.
144
Electric Machines and Drives
equation
¯
σ
q
= L
sq
L
rq
− L
2
mq
,
¯
σ
d
=...
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Electric Machines and Drives Part 1 pot
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21/06/2014, 01:20
... Institute of Electrical and Electronics Engineers (IEEE) “Standard
Test Procedure for Polyphase Induction Motors and Generators” IEEE 112-B and in its Canadian
CSA 390 adaptation. The standard first ... Medium voltage motors
ã Repaired motors
ã TENV and TEAO enclosures
Its relevant to notice that regulation concerning single phase and three-phase small (42/48
and 56 frame) motors is ready, ... be obtained from orders@intechweb.org
Electric Machines and Drives, Edited by Miroslav Chomat
p. cm.
ISBN 978-953-307-548-8
ELECTRIC MACHINES
AND DRIVES
Edited by Miroslav Chomat
Contents
VI
Swarm...
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Electric Machines and Drives Part 2 docx
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21/06/2014, 01:20
... with the adoption of Standard CAN/CSA-
Electric Machines and Drives
14
Fig. 7. Stator Premium motors
Fig. 8. Rotor Premium motors
Electric Machines and Drives
16
Fig. 11. ... incentives and voluntary measures for the energy efficiency of
electric motors is not sufficient, as it is prerequisite to implement mandatory measures for
Electric Machines and Drives
22 ... (2008a) “Barriers and incentive policies to high-efficiency motors
and drives market penetration,”. IEEE International symposium on power
electronics, electrical drives, automation and motion SPEEDAM...
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Electric Machines and Drives part 6 ppt
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21/06/2014, 01:20
... estimated speed and reference speed, (i.e.
e
ω
=
ω
−ω
re f
), a proportional integral compensation is proposed, as follows
100
Electric Machines and Drives
Electric Machines and Drives
90 ... jNωL
m
i
s
+ L
r
d
dt
i
r
+ L
m
d
dt
i
s
(26)
102
Electric Machines and Drives
where R
s
, R
r
, L
s
and L
r
are the stator/rotor resistances and inductances, L
m
is the magnetizing
inductance, ... θ
0
sin θ
0
cos θ
0
and K
=
2
3
⎡
⎢
⎣
1
−
1
2
−
1
2
0
−
√
3
2
−
√
3
2
⎤
⎥
⎦
.
x
qd
and x
αβ
stand for two-dimensional voltage flux and stator current vector, respectively on
(q-d) and ( α-β)reference...
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Electric Machines and Drives part 7 ppt
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21/06/2014, 01:20
... desired torque, and will be taken as a simple PI controller. The reader is
referred to (1) for motivation and additional details on this control configuration.
122
Electric Machines and Drives
0 10 ... variables
1
prime mover torque and speed, (τ
LG
, ω
G
) ,and
rotor and stator voltages and currents,
(v
rG
, i
rG
), (v
sG
, i
sG
), respectively. The IM, on the other
hand, is a two–port system with ... infinite, and saturation, iron losses, end winding
and slot effects are neglected. Only linear magnetic materials are considered, and it is further
assumed that all parameters are constant and known....
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Electric Machines and Drives part 9 potx
Ngày tải lên :
21/06/2014, 01:20
... in electric drives. The excellent characteristics of PSO may be successfully
used to optimize the performance of electric machines and electric drives in many
aspects. It is estimated that, electric ... 2009. IECON ’09. 35th Annual
Conference of IEEE, pp. 1003 –1008.
160
Electric Machines and Drives
Electric Machines and Drives
168
Are
all possible operating
conditions optimized
varying ... Motor parameter identified in simulation.
154
Electric Machines and Drives
Swarm Intelligence Based Controller for
Electric Machines and Hybrid Electric Vehicles Applications
163
r
M
L
lM
L
mq
L
lr
+
-
(1/k)
ω
r
λ
dr
+
-
V
qs
r
r
i
qs
i
qr
R
qf...
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The Control Techniques Drives and Controls Handbook
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20/10/2013, 02:15
... 326
Appendix A Standards for drives 329
A1 IEC (international) standards 330
Planned future IEC61800 standards 332
A2 CENELEC (EC) standards 332
A3 British standards 334
A4 IEEE (USA) standards 335
A5 ... 262
Pumps 262
Paper and tissue 262
Printing 262
Packaging 263
Engineering industries 263
Wire and cable 263
Hydraulics 263
Electric motors and alternators 264
Textiles 264
Foods, biscuit and confection ... 35
Motors for special applications 37
Geared motors 37
Brake motors 37
Torque motors 37
Motors for hazardous locations 37
General 37
CENELEC 37
North American standards 39
Testing authorities 39
8 Effects...
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Tài liệu Measurement Instrumentation and Sensors Handbook P2 pdf
Ngày tải lên :
23/12/2013, 01:16
... former case costs a few dollars and is the
watch we wear; the latter instrumentation costs thousands of dollars and is the size of a suitcase.
We often record measurand values as though they are ... therefore, will only give adequately correct information if we understand the static
and dynamic characteristics of both the measurand and the instrumentation. This, in turn, allows us to
then decide ... time it takes for the mercury to heat up and expand
up the tube. The static
sensitivity
will be expressed as so many scale divisions per degree and is all that
is of interest in this application....
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Ethical Journalism A Handbook of Values and Practices for the News and Editorial Departments pdf
Ngày tải lên :
06/03/2014, 11:20
... as fairly and openly as it treats
readers and news sources. The relationship between The Times
and advertisers rests on the understanding, long observed in all
departments, that news and advertising ... editing. If and when such conditions
come up, the staff member must alert his or her department
head and the standards editor. Depending on circumstances,
ETHICAL JOURNALISM
12
Investments and Family ... harassment and
on computers and electronic communications, which appear
on the Internet at http://insite.nytco.com/OUR_COMPANY/
POLICIES/policies.html.
ETHICAL JOURNALISM
1
Introduction and Purpose
...
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