power system state estimation using phasor measurement units
Reliability analysis of a power system based on the multi state system theory
Ngày tải lên :
03/01/2014, 19:38
... reliability of the multi-
state system [6-8] and optimizing the structure of the multi-
state system [9-11].
The reliability of the power system will be
analyzed by the
multi -state system theory in ...
Keywords- power system; multi -state system theory; reliability;
universal ge
nerating function
I. I
NTRODUCTION
A power system composed of battery pack provides en
ergy
for other systems, ... the reliability of a power system. States and
corresponding probabilities of the battery are defined. The
reliability of the power system is estimated by the multi -state
system theory. The results...
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Lesson18-The Power System
Ngày tải lên :
24/10/2013, 01:15
... that power system is the blood
vessels and nerve cells of a ship.
For a marine power system, both direct current (DC) and alternating current
(AC)will be adopted, and the system consists of power ... emergency power station possesses an independent distribution system
of its own. Should the main power station break down and should accordingly the power
supply fail, the emergency power station ... network and electric load.
There are two kinds of power stations on board, i. e. the main power station and the
emergency power station. The main power station is equipped with main generating...
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Chương 7: Power system blockset
Ngày tải lên :
28/10/2013, 06:15
... t
ng tr xỏcnh hng và công sut ca nó t l vi bình
152
CHNG7:POWERSYSTEMBLOCKSET
Đ1.KHINIMCHUNG
PowerSystemBlocksetcthitkcungcpchochỳngtacụngc
hiu qu v tin limụ phng nhanhvdcỏc ... BâygichnmenuTool|InitialValueof State Variablesđhinthcác
giátrkhiđucacácbintrngthái.Cácgiátrkhiđunàyđcđtđ
btđusimulationtrngtháixáclp.
Bâygitatínhcácbiudincakhônggiantrngtháicamôhìnhct7_1
bnghàm power2 sys.NhpdònglnhsauđâyvàocasMATLAB:
[A,B,C,D,x0,states,inputs,outputs]= power2 sys(’ct7_1’);
Hàm power2 systrvmôhìnhkhônggiantrngtháicamchtrong4
ma ... thng
in.Thvinc
anúchacỏcphntcbncamchinnhmỏybin
ỏp,ngdõy,cỏcmỏyinvcỏcthitbintcụngsut.Giaodin
hocungcpcỏcthnhphnc
ahthngin.Cỏcthnhphnnydclu
trongthvinpowerlib.mthvinnytcasMATLABtaỏnhlnh
powerlib.KhinyMATLABmmtcaschacỏckhih
thngconkhỏc
nhau.Cỏchthngconnybaogm:
ElectricalSources
Elements
PowerElectronics
Machines
Connectors
Measuremets
Extras
Demos
Tacúthmcỏchthngconnytoracỏccaschacỏckhim
tacn
copyvomụhỡnh.Mimtthnhphncbiudinbngmticon
cbit.
Đ2.MễHèNHHOMTMCHINNGIN
...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces pptx
Ngày tải lên :
17/12/2013, 11:15
... observe-by-wire system.
(a)
(b)
Fig. 2 The OBW system configuration, a forklift
lifts loads to the third floor for stacking or storage.
(a): forklift operation; (b): distance measurement
using ... could complete his or her task
three times without using the OBW system while she or
he can complete her or his task five times with the
OBW system shown in the fig. 3b. In particular, at point ...
Fig. 3 The haptic interface is developed for the OBW
system
Fig. 4 The haptic interface is developed for the OBW
system
A fork system and working environment and control
algorithm...
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Tài liệu Development of an Observe-By-Wire System for Forklifts Using Haptic Interfaces docx
Ngày tải lên :
23/12/2013, 00:15
... observe-by-wire system.
(a)
(b)
Fig. 2 The OBW system configuration, a forklift
lifts loads to the third floor for stacking or storage.
(a): forklift operation; (b): distance measurement
using ... - Journal of Dynamic Systems,
Measurement, and Control Vol. 128, Issue 3, pp.
532-542, September, 2006
[9] LORD Corporation, “LORD Corporation Perfects
Steer-by-Wire System for Forklift
Trucks,”http://www.lord.com/Default.aspx?tabid=
3638, ... could complete his or her task
three times without using the OBW system while she or
he can complete her or his task five times with the
OBW system shown in the fig. 3b. In particular, at point...
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Reliability analysis of power system based on generalized stochastic petri nets
Ngày tải lên :
03/01/2014, 19:35
... reliability
analysis of power systems using the Generalized Stochastic
Petri Nets (GSPN). The proposed modeling approach considers
not only the most common failures of power system elements,
i.e. ... just introduced consists in a powerful tool to
model power systems. Phenomena like component failure,
short-circuit, lightning, etc, are always present in real systems
and occur randomly. Such ... consequences depending on the power system state.
In conclusion, the reliability of protection schemes, understood
as the union of dependability and security, and its dependency
on the system operating conditions,...
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Reliability modeling and evaluation of sulaimani erbil electrical power system
Ngày tải lên :
03/01/2014, 19:39
... kV transmission line power system that
energized by 33 kV system reduces the reliability of the system.
Therefore, in order to improve the reliability of the 132 kV power
systems, these lines ... the system will be increased if the 29 MW diesel
power station is taken into account for Sulaimani-Erbil region.
3-As the outage of power plant greatly reduces the reliability of the
power system, ... Sulaimani-Erbil Electrical Power System Reliability
Evaluation
Fig.8 shows the single line diagram of the 132 kV systems
for Sulaimani-Erbil electrical power system.
For the purpose of...
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Tài liệu ELECTRIC POWER SYSTEM BASICS doc
Ngày tải lên :
18/02/2014, 22:20
... current power systems began appearing
throughout the United States. These power systems became interconnected
to form what we know today as the three major power grids in the United
States and ... fundamental
terms used in today’s electric power systems based on this history.
SYSTEM OVERVIEW
Electric power systems are real-time energy delivery systems. Real time
means that power is generated, transported, ... telecommunications systems to control the equip-
ment located in substations, out on power lines, and the actual consumer
sites. These tools enable power system operators to economically dispatch
power, meet system...
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Tài liệu Power System Modelling and Scripting doc
Ngày tải lên :
18/02/2014, 22:20
... the
expression “electric power system is somewhat incomplete, since a power
system is essentially an energy conversion system. For this reason, the ex-
pression power system is used in this ... Suitablefor Power SystemAnalysis 36
3.5 Python Scripting Language 39
Part II: Power System Analysis
4 Power Flow Analysis 61
4.1 Background 61
4.2 Taxonom
y of Power Flow Problems 66
4.3 ClassicalPower ... that basic power system concepts are known by the
reader. The level required for fully taking advantage of this book is that
F. Milano: Power System Modelling and Scripting, Power Systems, pp....
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Air pollution exposure estimation using dispersion modelling and continuous monitoring data in a prospective birth cohort study in the Netherlands potx
Ngày tải lên :
06/03/2014, 19:20
... study, we assessed individual air pollution expo-
sure at the home address using advanced state- of-the-
art methods. By using a combination of GIS based dis-
persion modelling a nd continuous monitoring ... 11:9
http://www.ehjournal.net/content/11/1/9
Page 4 of 11
METH O D O LOG Y Open Access
Air pollution exposure estimation using
dispersion modelling and continuous monitoring
data in a prospective birth cohort study ... Bellander T, Berglind N, Gustavsson P, Jonson T, Nyberg F, Pershagen G,
Jarup L: Using geographic information systems to assess individual
historical exposure to air pollution from traffic and...
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