Phần 27 KHÓA ĐÀO TẠO TÍNH TOÁN ỔN ĐỊNH VÀ ỨNG DỤNG TRÊN PHẦN MỀM PSSE CHO KỸ SƯ HỆ THỐNG ĐIỆN (Sử dụng Ngôn ngữ lập trình Python trong Phần mềm PSSE)

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

• Application Program Interface
• PSS®E Extension Modules
• Power Flow Operation
•
Power Flow Data Changing
•
Power

Flow

Data

Changing
• Subsystem Definition
• Dynamics Simulation
• Single Element and Subsystem Data Retrieval
• Results Data Retrieval
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3
INTRODUCTION
INTRODUCTION
eBook for You
Introduction to PSS®E Automation
4
INTRODUCTION
Introduction

to

PSS®E

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

manual
 IPLAN programs:
 Sim
p
le
p
ro
g
rammin
g
lan
g
ua
g
edesi
g
ned fo
r
p
pg g
gg
g
PSS®E
 Created in a text editor and compiled
 Limited capabilities compared to modern
programming languages
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Introduction to PSS®E Automation
5
INTRODUCTION

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

6
INTRODUCTION
Recording

an

Automation

File
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Running an Automation File
7
INTRODUCTION
Running

an

Automation

File
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8
APPLICATION PROGRAM
APPLICATION

PROGRAM

INTERFACE
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Controlling PSS®E Using the API

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

functionality

for automation

API is described in manual
PSS®E

API

is

described

in

manual

PSS®E

Application Program Interface

Descriptions of the syntax for using each

Descriptions

of

the

syntax

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

Default

Values
 _i: Default integer value
 _f: Default real value
 s: Default strin
g
value_
g
 Example:
def temp ( a
=
1, b
=
2):
def

temp

(

a

1,

b

2):
print a
print b

print

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

EXTENSION

MODULES

eBook for You
Modules for Python
12
PSS®E EXTENSION MODULES
Modules

for

Python


P
P id t th PSS®E API

P
sspy:
P
rov
id
es access
t
o
th
e
PSS®E

API
 Pssarrays: Provides Python functions to
retrieve PSS®E solutions results
retrieve

PSS®E

solutions

results
 Pssexcel: Provides Python functions
export PSS®E data or solution results to
export

PSS®E

data

or

solution

results

to

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

Provides

access

to

the

PSS®Plot

API
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Modules for Python
13
PSS®E EXTENSION MODULES
Modules

for

Python

El
PidPthf ti t

E
xce
l
py:
P
rov
id
es
P
y
th
on
f
unc
ti
ons

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


P
ower
Fl
ow
O
pera
ti
on
 Power Flow Data Changing

Oi lP Fl

O
pt
i
ma
l

P
ower
Fl
o
w
 Dynamic Simulation
 Subsystem Definition
 Diagram View APIs
 Single Element Data Retrieval
 Subsystem Data Retrieval
eBook for You

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

SAVE
Use this API to save a Saved Case (.sav)
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FNSL
19
POWER FLOW OPERATION
FNSL
Use this API to apply Newton-Raphson
calculation
calculation
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FDNS
20
POWER FLOW OPERATION
FDNS
Use this API to apply fixed-slope Newton-
Raphson
calculation
Raphson
calculation
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DSCN
21
POWER FLOW OPERATION
DSCN
Use this API to disconnect a bus
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PURG
22
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


ASCC2:

Apply

a

series

of

fault

at

various

locations
IECS3: Calculate fault currents according to
IEC
DFAX: Build a Distribution Factor Data File
(
dfx
)
(
.
dfx
)
ACCC: Apply the AC contingency calculation
function

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

loads
ORDR: Calculate a sparsity preserving
ordering of buses
FACT: Factorize the network admittance
matrix

TYSL:
Run switching study network solutions

TYSL:

Run

switching

study

network

solutions
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25
POWER FLOW DATA
POWER

FLOW

DATA

CHANGING
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