TRANSMISSION &
DISTRIBUTION
A Division of Global Power
POWER SYSTEM STABILITY CALCULATION TRAINING
D14
15
A t ti i P th
D
ay
14
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15
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A
u
t
oma
ti
on us
i
ng
P
y
th
on
December 5, 2013Prepared by: Mohamed El Chehaly
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OUTLINE
2
OUTLINE
• Introduction


Automation

Response
files
or
“
idv
”
:
Contains
a
set
of

Response
files
or
idv
:
Contains
a
set
of
instructions and inputs emulating the
program
operation
manual
program
operation

Introduction

to

PSS®E

Automation

Python
programs
:

Python
programs
:
 Interpreted object-oriented programming language
(
no com
p
iler
)
(
p)
 In PSS®E since version 30
 Faster development, flexibility, power data
processing and easy integration with othe
r
applications and programming languages
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Recording an Automation File

9
APPLICATION PROGRAM INTERFACE
Controlling

PSS®E

Using

the

API
 Set of callable routines for building
ft li ti
so
ft
ware app
li
ca
ti
ons
 API is the primary and recommended
method for accessing PSS®E functionality
method

for

accessing

PSS®E



for

using

each

API routine in each automation method

Siemens PTI support users who use batch

Siemens

PTI

support

users

who

use

batch

commands and Python programs only.
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Default Values
10
APPLICATION PROGRAM INTERFACE

print

b
return
temp(
i
4)
temp(
_
i
,
4)
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11
PSS®E EXTENSION MODULES
PSS®E

EXTENSION

MODULES

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Modules for Python
12
PSS®E EXTENSION MODULES
Modules

for

Python

PSS®E

data

or

solution

results

to

Excel

Pssplot
: Provides access to the
PSS®Plot

Pssplot
:

Provides

access

to

the

PSS®Plot

t
o
interface with Excel (create, populate and
format workbooks)
format

workbooks)

Dyntools
: Tools for processing channel

Dyntools
:

Tools

for

processing

channel

output files
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PSSPY
14
PSS®E EXTENSION MODULES
PSSPY

PFlOti

15
POWER FLOW OPERATION
POWER

FLOW

OPERATION
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CASE
16
POWER FLOW OPERATION
CASE
Use this API to open a Saved Case (.sav)
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NEWCASE2
17
POWER FLOW OPERATION
NEWCASE2
Use this API to open a new Saved Case
(
sav
)
(
.
sav
)
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SAVE
18
POWER FLOW OPERATION

PURG
Use this API to delete an equipment
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Other Functions
23
POWER FLOW OPERATION
Other

Functions
POUT: Print the power flow solution results

ANSI:
Calculate fault currents according to

ANSI:

Calculate

fault

currents

according

to

ANSI

ASCC2:
Apply a series of fault at various

function
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Other Functions
24
POWER FLOW OPERATION
Other

Functions
PV_ENGINE3: Run PV analysis

QV ENGINE:
Run QV analysis

QV
_
ENGINE:

Run

QV

analysis
CONG: Convert generators

CONL:
Convert loads

CONL:

Convert

CHANGING
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