Phần 2 KHÓA ĐÀO TẠO TÍNH TOÁN ỔN ĐỊNH VÀ ỨNG DỤNG TRÊN PHẦN MỀM PSSE CHO KỸ SƯ HỆ THỐNG ĐIỆN (Nghiên cứu và ứng dụng trên Phần mềm PSSE của Siemens PTI)
... the shunts on the low
voltage side?
eBook for You
22
IEEE 24 – SHORT-CIRCUIT
ANALYSIS
eBook for You
Negative and Zero Sequence Parameters
24
• Negative-sequence impedance is equal to positive-
sequence ... the plot
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39
IEEE 24 – DYNAMIC ANALYSIS
eBook for You
The IEEE 1996
Reliability Test System
4
SYSTEM COMPONENTS
• Two areas (23 0kV &
138kV)
• 21 branches
•
10 g...
... DC Exciters 2
49
EXCITER MODELS IN PSS®E
DC
Exciters
2
EXDC2 and ESDC2A
Sample data
K
300
E
305
K
A
=
300
E
1
=
3
.
05
T
A
= 0.01 E
2
= 2. 29
T
B
= 0 K
E
= 1.0
B
E
T
C
= ... 4.95
T
E
= 1.33 V
RMIN
= -4.9
K
F
= 0.1
T
F
= 0.675
S
E
[E
1
]
=
0 27 9
S
E
[E
1
]
0
.
27 9
S
E
[E
2
] = 0.117
eBook for You
OUTLINE
2
OUTLINE
• Types of Exciters
• Exciter Models in PSS®E
• Ide...
...
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Steam Turbine Models
22
GOVERNOR MODELS IN PSS®E
Steam
Turbine
Models
TGOV1
TGOV1
Typical parameters:
R = 0.05 pu
T
1
= 0.50 s
T
2
/T
3
= 0.3
T
5t 9
T
3
=
5
t
o
9
... (generally
11
)
1
.
1
pu
)
Same method can be used as TGOV2 for fast
valvin
g
initiation
g
eBook for You
Steam Turbine Models
21
GOVERNOR MODELS IN PSS®E
Steam
Turbine
Models
TGOV1...
... Dynamic File
37
DYNAMIC FILE
Models
Used
for
Dynamic
File
Generator at bus 20 1
eBook for You
Governor Models
24
DYNAMIC FILE
Governor
Models
General model (IEEEG1)
General
model
(IEEEG1)
...
eBook for You
Steam Turbine Governor Model
27
DYNAMIC FILE
(TGOV1)
Simple model for a steam turbine
eBook for You
Gas Turbine Governor Model (GAST)
26
DYNAMIC FILE
Gas
Tu...
... Modes
FrequencyRange(0.8to3Hz)
SmallNumberofGeneratorsinaSmallArea
HighFrequency/StrongDamping
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Nature of Modes
27
SMALL-SIGNAL STABILITY
Nature
of
Modes
Local/regional modes
Natural frequency: 0.5 – 2 Hz
Local: one generator swings against a group ... multi
–
machine system
Example
of
a
multi
machine
system
eBook for You
Controller
Sitin...
... generators
Line DAKNONG2
–
BINH LONG 2
(
916 12
–
(
55 422 )
331 MVA (54 .2% )
N-1:
Second circuit of DAKNONG2 – BINH LONG 2
(916 12 – 55 422 ) is overloaded by 1 12% (2%
more than permissible)
more
... MYTHO 2 C 22 (509 02 – 590 52)
after 100 ms
Single-Line-to-Ground fault following by a trip of
line NMDHTRHC21– MYTHO 2 C 22 (509 02 –
590 52)
after 100 ms
(s...
... TRAINING
Day 12
-
Case Study
–
IEEE 24 Bus Test System
Day
12
-
Case
Study
–
IEEE
24
Bus
Test
System
PART 1
July 19, 20 13Prepared by: Frida Ceja-Gomez
eBook for You
42
IEEE 24
–
N
-
1 ...
contingency
solution
output
file
and solve
eBook for You
Sin
g
le Line
23
CREATING AN SLD
g
Diagram
• Finally, grow
Bus 22 one
level
• Now that we
have all the
have...
... TRAINING
Day 13 & 14
-
Case Study
–
IEEE 24 Bus Test System
Day
13
&
14
-
Case
Study
–
IEEE
24
Bus
Test
System
PART 2
July 22 -23 , 20 13Prepared by: Frida Ceja-Gomez
eBook ... Set Vmax = 1 for the governor models at buses 1, 2, 7, 13
and 23
and
23
• Are the speed deviations better?
eBook for You
Initialization Errors
22
DYNAMICS DATA VERIFICATION
In...
... using NEVA
37
IEEE 24 – SMALL SIGNAL STABILITY
Small
Signal
Stability
using
NEVA
• New exciters at bus 1, 2, 7 and 22
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Long
Term Frequency Stability
22
IEEE 24 – LONG TERM STABILITY
Long
-
Term
... to
choose the
right settings
• Select the
source and sink
subsystems
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10
IEEE 24
–
QV
ANALYSIS
IEEE
24
–
QV
ANALYSIS
eBook for You
Long
Term Vol...