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)

TRANSMISSION &
DISTRIBUTION
A Division of Global Power
POWER SYSTEM STABILITY CALCULATION TRAINING
D1
I t d ti t PSS®E
D
ay
1
-
I
n
t
ro
d
uc
ti
on
t
o
PSS®E
July 4, 2013Prepared by: Mohamed El Chehaly
eBook for You
OUTLINE
2
OUTLINE
• PSS®E 33: Basic Operation
• Load Flow Analysis
• Contingency Analysis
Sh t
Ci it A l i

•
Sh
or
t
-
Ci
rcu
it

A
na
l
ys
i
s
eBook for You
3
PSS®E 33: BASIC OPERATION
PSS®E

33:

BASIC

OPERATION
eBook for You
PSS®E Functional Description
4
PSS®E 33: BASIC OPERATION
PSS®E

Functional

Description
 Power flow and related network analysis
functions
 Balanced and unbalanced fault analysis
 Network e
q
uivalent construction
q

Dynamic simulation

Dynamic

simulation
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Input Data Files
5
PSS®E 33: BASIC OPERATION
Input

Data

Files
 Power Flow Raw Data Files (.raw)
 D
y
namics Data Files

(
.d
y
r
)
y(
y
)
 Saved Case (.sav) and Snapshot (.snp):
binary files
 Subsystem Description Data (.sub)
 Monitored Element Data
(
.mon
)
(
)
 Contingency Description Data (.con)

Sequence Data Files (.
seq
)

Sequence

Data

Files

(.

seq
)
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Output Files
6
PSS®E 33: BASIC OPERATION
Output

Files
 Distribution Factor Data (.dfx)
 AC Contin
g
enc
y
Solution Out
p
ut
(
.acc
)
gy p( )
 PV Solution Output (.pv)

Q
V
So
l
ut
i
o

n
Output

(
.
q
v
)
Q So ut o Output (
q
)
 Channel Output (.out)

Slider Diagram (.
sld
)

Slider

Diagram

(.
sld
)
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Automation Files
7
PSS®E 33: BASIC OPERATION
Automation

Files
 Response File or IDEV File (.idv)
 IPLAN Source Program (.ipl)
 IPLAN Executable Program (.irf)
 Python Program (.py)
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Key Elements of the Interface
8
PSS®E 33: BASIC OPERATION
Key

Elements

of

the

Interface
Toolbars
TreeView
SpreadsheetViewOutputView CommandLine
Interface(CLI)
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Key Elements of the Interface
9
PSS®E 33: BASIC OPERATION
Key

Elements

of

the

Interface
 Tree View
 Network items represented as selectable elements
in a hierarchical list
 Network items organized by data type and
displayed in expandable/collapsible folders
displayed

in

expandable/collapsible

folders
 Spreadsheet View

Importing a
sav
file or a raw file populates the

Importing

a
.
sav
file

or

a
.
raw

file

populates

the

spreadsheet with network data
 Tabs allow specification of the various data
categories
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Key Elements of the Interface
10
PSS®E 33: BASIC OPERATION
Key

Elements

of

the

Interface
 Output View
 Progress, alerts/warnings and reports tabs

 Alerts and warning also appear in red text in the
progress stream

Tlb

T
oo
lb
ars
 Shortcuts to analytical tools, one-line diagrams,
generation of reports
generation

of

reports
…
 Command Line Interface (CLI)

Field for command line input (IDEV or Python)

Field

for

command

line

input

(IDEV

or

Python)
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Bus Tab
11
PSS®E 33: BASIC OPERATION
Default:1.0pu
Bus

Tab
Default:0deg
BusNumber
Base kV
1:LoadBus
2 GtB
Base

kV
2
:
G
enera
t
or
B
us

3:SwingBus
4:DisconnectedBus
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Branch Tab
12
PSS®E 33: BASIC OPERATION
Branch

Tab
Bus Number
Len
g
th
BranchData(pu)
ID
Bus

Number
FromandTo
ThermalRating
(MVA)
g
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Load Tab
13
PSS®E 33: BASIC OPERATION
Load

Tab
ID

BusNumber
LoadData
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Plant Tab
14
PSS®E 33: BASIC OPERATION
Plant

Tab
BusNumber
RemoteBus
ScheduledVoltage
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Machine Tab
15
PSS®E 33: BASIC OPERATION
Machine

Tab
ID
BusNumber
GeneratorPower
Generator Data
Generator

Data
TransformerData
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Two Winding Tab
16

PSS®E 33: BASIC OPERATION
Two

Winding

Tab
ID
ControlData
BusNumber
FromandTo
kVorpu
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Two Winding Tab
17
PSS®E 33: BASIC OPERATION
Two

Winding

Tab
BaseType
Transformer Data
ThermalRatin
g
Magnetizing
Admittance
Transformer

Data
g

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Fixed Shunt Tab
18
PSS®E 33: BASIC OPERATION
Fixed

Shunt

Tab
ID
BusNumber
FixedShuntData
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Switched Shunt Tab
19
PSS®E 33: BASIC OPERATION
Switched

Shunt

Tab
BusNumber
ControlMode
VoltageLimits
ReactivePowerLimits
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Switched Shunt Tab
20
PSS®E 33: BASIC OPERATION
Switched

Shunt

Tab
Number of Step for Block
i
InitialValue
Number

of

Step

for

Block

i
AdmittanceIncrementforEachStepinBlocki
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Exercises
21
PSS®E 33: BASIC OPERATION
Exercises
1. Go to the “Bus” tab. Find bus 3008:
a) What is the name of this bus and its rated
voltage?
Name: CATDOG
Rated Voltage: 230 kV
b) Based on the code number, what type of bus is

this?
Rated

Voltage:

230

kV
Code number: 1 Load Bus
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Exercises
22
PSS®E 33: BASIC OPERATION
Exercises
2. Go to the “Branch” tab. Find the branch
that connects bus 201 to bus 207:
a) What are the name of the buses and the rated
voltage of the branch?
Bus Names: HYDRO and DUPONT
b)
What is the rated resistance and reactance of
Bus

Names:

HYDRO

and

DUPONT

Rated Voltage: 500 kV
b)
What

is

the

rated

resistance

and

reactance

of

this branch (p.u.)?
Resistance: R = 0.0015 p.u.
R t X 0 0150
R
eac
t
ance:
X
=
0
.

0150
p.u.
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Exercises
23
PSS®E 33: BASIC OPERATION
Exercises
3. Go to the “Load” tab. Find load
connected to bus 214:
a) What are the real and reactive components of
this load?
Real: P = 500 MW
b)
What is the power factor of this load?
Real:

P

=

500

MW

Reactive: Q = 75 MVAr
b)
What

is

the

power

factor

of

this

load?
Power factor:
PF = cos(tan
-1
(Q/P))
PF = 0.99 lagging
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Exercises
24
PSS®E 33: BASIC OPERATION
Exercises
4. Go to the “Machine” tab. Find generator
connected to bus 402:
a) What are the maximum and minimum reactive
power ratings of this generator?
Qmax
= 610
MVAr
b)
What is the power loading of the machine in %?

Qmax
=

610

MVAr
Qmin = -110 MVAr
b)
What

is

the

power

loading

of

the

machine

in

%?
Loading in MVA = √(321
2
+ 142.3249

2
) = 351.14 MVA
Loading in % = 351.14 / 610 = 58%
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Exercises
25
PSS®E 33: BASIC OPERATION
Exercises
5. Go to the “Switched Shunt” tab. Find
switched shunt connected to bus 154:
a) What is the number of shunt elements
connected?
Sum of all blocks = 13
b)
What is the maximum reactive power produced?
Sum

of

all

blocks

=

13
b)
What

is

the

maximum

reactive

power

produced?
Qmax = 124 MVAr
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