Phần 24 KHÓA ĐÀO TẠO TÍNH TOÁN ỔN ĐỊNH VÀ ỨNG DỤNG TRÊN PHẦN MỀM PSSE CHO KỸ SƯ HỆ THỐNG ĐIỆN (Kịch bản nghiên cứu theo tiêu chuẩn IEEE trên Phần mềm PSSE)

TRANSMISSION &
DISTRIBUTION
A Division of Global Power
POWER SYSTEM STABILITY CALCULATION 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, 2013Prepared by: Frida Ceja-Gomez
eBook for You
2
OUTLINE
•
Building a Dynamic Data File
Building

a

Dynamic

Data

File
• Dynamic Data File Verification
• Dynamic Analysis of 3-Phase Faults
•
Dynamic Analysis of SLG Faults
•
Dynamic

Analysis

of

SLG

Faults
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3
IEEE 24
–
BUILDING A
IEEE

24

–
BUILDING

A

DYNAMICS DATA FILE
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The Dynamics Data File
4
BUILDING A DYNAMICS DATA FILE
The

Dynamics

Data

File
This file contains the dynamic model data
•
This

file

contains

the

dynamic

model

data

for:
G
•
G
enerators
• Exciters
• Governors
• The purpose of this exercise is to write the
dynamics data file for the IEEE 24-bus test
system, which contains 10 machines
system,

which

contains

10

machines
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Generator Data
5
BUILDING A DYNAMICS DATA FILE
Generator

Data
• Machine 1 (Note that the machine at Bus 2
has the same constant values)
has

the

same

constant

values)
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Generator Data
6
BUILDING A DYNAMICS DATA FILE
Generator

Data
•
Machine 3
Machine

3
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Generator Data
7
BUILDING A DYNAMICS DATA FILE
Generator

Data
•
Machine 4
Machine

4
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Generator Data
8
BUILDING A DYNAMICS DATA FILE
Generator

Data
•
Machine 5
Machine

5
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Generator Data
9
BUILDING A DYNAMICS DATA FILE

Generator

Data
• Machine 6 (Note that the machine at Bus
18 has the same model)
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Generator Data
10
BUILDING A DYNAMICS DATA FILE
Generator

Data
• Machine 8
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Generator Data
11
BUILDING A DYNAMICS DATA FILE
Generator

Data
•
Machine 9
Machine

9
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Generator Data
12
BUILDING A DYNAMICS DATA FILE
Generator

Data
•
Machine 10
Machine

10
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Exciter Data
13
BUILDING A DYNAMICS DATA FILE
Exciter

Data
• Machines at buses 1, 2, 7, 13, 16, 18, 21, 22
and 23
and

23
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Exciter Data
14
BUILDING A DYNAMICS DATA FILE
Exciter

Data
• Machine at bus 15
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Governor Data
15

BUILDING A DYNAMICS DATA FILE
Governor

Data
•
Machines at buses 1, 2, 7, 13, 15, 16, 18, 22
Machines

at

buses

1,

2,

7,

13,

15,

16,

18,

22

and 23
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Governor Data
16
BUILDING A DYNAMICS DATA FILE
Governor

Data
•
Machine at bus 21
Machine

at

bus

21
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17
IEEE 24
–
DYNAMICS DATA
IEEE

24

–
DYNAMICS

DATA

VERIFICATION

eBook for You
Dynamics Data File Verification
18
DYNAMICS DATA VERIFICATION
Dynamics

Data

File

Verification
•
Prepare the IEEE 24 saved case file (the
Prepare

the

IEEE

24

saved

case

file

(the

one satisfying N-0 reliability conditions) to

use in a dynamic simulation
• Load the dynamics data file that you just
created
• Perform activity DOCU
to verify the model
parameters
eBook for You
Dynamics Data File Verification
19
DYNAMICS DATA VERIFICATION
Dynamics

Data

File

Verification
• The models highlighted in yellow have
parameters that are outside the ranges
defined in PSS®E
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Dynamics Data File Verification
20
DYNAMICS DATA VERIFICATION
Dynamics

Data

File

Verification
• Note that it may be alright to have to have
parameters outside of the predefined
ran
g
e
g
• However, it is necessary to fix the
parameters that must be equal to a
parameters

that

must

be

equal

to

a

specific value in the saved case file, for
example:
• X”d = imaginary(ZSORCE) for the
GENROU model
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Dynamics Data File Verification
21

DYNAMICS DATA VERIFICATION
Dynamics

Data

File

Verification
• What other warnings were given by
activity DOCU?
• Which parameters are outside of
range?
• What about the excitation system
gains?
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Initialization Errors
22
DYNAMICS DATA VERIFICATION
Initialization

Errors
• Go to the
Dynamics
menu, and
select activity
select

activity

STRT under

the
Simulation
i
opt
i
on to
verify any
errors found
during
during

initialization
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Initialization Errors
Exciter
23
DYNAMICS DATA VERIFICATION
Initialization

Errors
-
Exciter
• Bus 16
• VRMAX = 3 in
the exciter
model
• As seen in the
initial
conditions
table EFD =

table
,
EFD

=

3.1131
• Modify Vmax
to 3.5 to solve
this problem
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Initialization Errors
24
DYNAMICS DATA VERIFICATION
Governors
• Bus 15
• Mbase= 175MVA
• Pmax= Vmax*Mbase= 0.85*175=148.75 MW < Pinit (155MW)
• Therefore, change Vmax to 1pu
• Bus 16
• Mbase= 448MVA
• Pmax= Vmax*Mbase= 0.85*448=380.8 MW < Pinit (400MW)
• Therefore, change Vmax to 1pu
eBook for You
Initialization Errors
25
DYNAMICS DATA VERIFICATION
Governors
• Bus 18
• Mbase= 448MVA

• Pmax= Vmax*Mbase= 0.85*448=380.8 MW < Pinit (400MW)
• Therefore, change Vmax to 1pu
• Bus 22
• Mbase= 775MVA
• Pmax= Vmax*Mbase= 0.85*775=658.75 MW < Pinit (660MW)
• Therefore, change Vmax to 1pu
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