Phần 14 KHÓA ĐÀO TẠO TÍNH TOÁN ỔN ĐỊNH VÀ ỨNG DỤNG TRÊN PHẦN MỀM PSSE CHO KỸ SƯ HỆ THỐNG ĐIỆN (Xuất kết quả tính toán ổn định trong Phần mềm PSSE)

TRANSMISSION &
DISTRIBUTION
A Division of Global Power
POWER SYSTEM STABILITY CALCULATION TRAINING
D
7
Pl tti ith PSSPLT
D
ay
7
-
Pl
o
tti
ng w
ith

PSSPLT
July 12, 2013Prepared by: Frida Ceja-Gomez
eBook for You
OUTLINE
2
OUTLINE
• Introduction to PSSPLT
• Plotting with PSSPLT
•
Recording an IDEV file
•
Recording

an

IDEV

file
• Creating an IDEV file for plotting
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3
INTRODUCTION TO PSSPLT
INTRODUCTION

TO

PSSPLT
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What is PSSPLT?
4
INTRODUCTION TO PSSPLT
What

is

PSSPLT?
•
PSSPLT is a separate PSS
•
PSSPLT

is

a

separate

PSS

module that allows the
user to manipulate and
plot data
plot

data
• To access PSSPLT, go to
the Start menu, Programs,
and open the PSSE 33
folder (as shown on the
picture to the right)
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What is PSSPLT?
5
INTRODUCTION TO PSSPLT
What

is

PSSPLT?
• The PSSPLT GUI is shown below. Each activity will be discussed on
the next slides.
the

next

slides.
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PSSPLT Activities
6
INTRODUCTION TO PSSPLT
PSSPLT

Activities
• CHNF: This activity allows the user to select the channel output file
to use for plotting (.out).
to

use

for

plotting

(.out).
• RANG: The range activity allows the user to determine the channel
data minimum and maximum limits.
• IDNT: The channel identification listing activity tabulates a listing of
channel identifiers.
• TINT: The time interval activity is used to set the beginning and
ending times for subsequent plots.
•
SLCT: The plot channel selection activity is used to select one or
SLCT:

The

plot

channel

selection

activity

is

used

to

select

one

or

more channels to be plotted.
• PLOT: The plotting activity generates the plots defined by invoking
previous activities such as SLCT
previous

activities
,
such

as

SLCT
.
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PSSPLT Activities
7
INTRODUCTION TO PSSPLT
PSSPLT

Activities
• PLOT, IN: This activity allows plotting in an interactive
mode in which the user can add notes and pointers to the
mode
,
in

which

the

user

can

add

notes

and

pointers

to

the

plot.
• CLSP: This activity is used to close a plot and have it sent to
a spooled device.
• MCHN: The multiple plot file selection activity allows the
user to choose a maximum of six binary plot files to be used
user

to

choose

a

maximum

of

six

binary

plot

files

to

be

used

for subsequent operations.
• STOP: This activit
y
allows the user to exit PSSPLT.
y
• IDEV: The input device selection activity is used to change
the source from which PSSPLT accepts the user’s
commands to a response file
commands

to

a

response

file
.
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8
PLOTTING WITH PSSPLT

PLOTTING

WITH

PSSPLT
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Selecting the channel output file
9
PLOTTING WITH PSSPLT
Selecting

the

channel

output

file
• Click on activity
CHNF
CHNF
• A window will
pop up to allow
pop

up

to

allow

you to select
the channel
output file
• Once the output
file is open, a
message like
message

like

the one shown
to the right will
appear
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Defining the range of the output channel
10
PLOTTING WITH PSSPLT
Defining

the

range

of

the

output

channel
Cli k ti it RANG
•
Cli
c
k
on ac
ti
v
it
y
RANG
• Select Generate Actual
Adjusted Scales
• This option searches
through the data for
a
ll
c
h
a
nn
e
l
s

a
n
d

a c a esa d
determines the actual
maximum and
minimum values for
each channel
• Click on No More
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Selecting the channels to plot
11
PLOTTING WITH PSSPLT
Selecting

the

channels

to

plot
• Click on activity SLCT, and then
click on select
• The window to the right will appear
• Choose the channel you wish
to plot and click
OK
to

plot

and

click

OK
• Define the minimum and
maximum values for the Y-
axis and click OK
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Selecting the channels to plot
12
PLOTTING WITH PSSPLT
Selecting

the

channels

to

plot
• If you click again on activity SLCT, a window showing the selected
channels will pop up
channels

will

pop

up
• Note that a maximum of 6 channels can be selected at a time

Th diff t ith ti f ti ill b di d l t b t
A
•
Th
e
diff
eren
t
ar
ith
me
ti
c
f
unc
ti
ons w
ill

b
e
di
scusse
d

l
a
t
er,
b

u
t

A
means that there is no function applied to the channel
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Plotting the selected channels
13
PLOTTING WITH PSSPLT
Plotting

the

selected

channels
Clik ii PLOT
•
Cli
c
k
on act
i
v
i
ty
PLOT
• The window shown below will appear
• Enter the name you wish to assign to this plot
and click OK

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Plotting the selected channels
14
PLOTTING WITH PSSPLT
Plotting

the

selected

channels
Th f ll i i d ill
•
Th
e
f
o
ll
ow
i
ng w
i
n
d
ow w
ill

open
•
The options shown are the

•
The

options

shown

are

the

different graphic devices
available to plot the
channel
channel
• For this case, select item
26 / MS-Windows
(
color
)
()
• Click on OK
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Plotting the selected channels
15
PLOTTING WITH PSSPLT
Plotting

the

selected

channels
• The plot of the selected channels should be generated, as
shown below
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Closing the plot file
16
PLOTTING WITH PSSPLT
Closing

the

plot

file
• Click on the plot to close it
•
Click on activity STOP to exit PSSPLT
•
Click

on

activity

STOP

to

exit

PSSPLT
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17
RECORDING AN
IDEV
FILE
RECORDING

AN

IDEV
FILE
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Activity ECHO
18
RECORDING AN IDEV FILE
Activity

ECHO
• IDEV files are useful to automate the generation of plots and avoid
repetitive tasks
repetitive

tasks
• When you generate a plot manually, you can record the commands
in an IDEV file that can be later used to repeat the plot
• To start recording
commands in an IDEV file,

go to the IO Control menu
and click on ECHO (Set
echo device)
• A window will open
prompting you to type the
name of the IDEV file to be
created
(
or select an
(
existing file)
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Opening the output file
19
RECORDING AN IDEV FILE
Opening

the

output

file
• This time we will
p
lot the volta
g
e at Bus 201
pg
• We will also learn how to apply an arithmetic
function to a channel

• If PSSPLT was closed in the previous activity, open
the program again
• Use activity CHNF to open the output file
•
We will continue to use the output file:
•
We

will

continue

to

use

the

output

file:

example1.out
•
Then perform activity RANG,
Generate Actual
Then

perform

activity

RANG,

Generate

Actual

Adjusted Scales, click OK and then No More.
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Applying a function to the output
20
RECORDING AN IDEV FILE
Applying

a

function

to

the

output
• Go to the Edit menu and select
FUNC (choosing a plotting
FUNC

(choosing

a

plotting

function)
• Select User Defined Arithmetic
Function and click OK
Function

and

click

OK
• Enter the arithmetic expression
• In this case we will multiply the
channel by 500, so that we can see
the voltage in kV instead of pu
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Selecting the channel to plot
21
RECORDING AN IDEV FILE
Selecting

the

channel

to

plot
• Go to activity SLCT and select channel 13
• Set the minimum and maximum values for the plot scale,
click OK, and then No more
• Note how on the top left corner we can see the function that
will be applied to the channel
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Setting FUNC back to channel value
22
RECORDING AN IDEV FILE
Setting

FUNC

back

to

channel

value
• The function we
previously defined will
be applied to all
channels selected
afterwards, unless we
reset this option
• To avoid this, go to the
Edit menu, FUNC
activity and select

activity

and

select

Channel Value
• Click O
K
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Plotting the output
23
RECORDING AN IDEV FILE
Plotting

the

output
•
Go to activity PLOT and
•
Go

to

activity

PLOT

and

enter the name of the plot
•
Again, select
MS
-
Windows
Again,

select

MS
Windows

(color) as the graphic
device
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Plotting the output
24
RECORDING AN IDEV FILE
Plotting

the

output
• The following plot should be generated:
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Closing the IDEV file
25
RECORDING AN IDEV FILE

Closing

the

IDEV

file
• To stop recording commands to the IDEV file, go to the IO
Control menu and click on ECHO,OFF (Turn off ECHO)
Control

menu

and

click

on

ECHO,OFF

(Turn

off

ECHO)
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