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


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

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

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

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

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



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

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

•
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


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,

• 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


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


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

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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