brief tutorial

8/12/2019 Brief Tutorial

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A Brief Introduction to the Power System

Analysis Toolbox (PSAT) for Power SystemAnalysis Undergraduate Courses

ederico !ilano

federico"milano#ucd"ie


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Summary

$ Introduction to the PSAT

$ Internet community

$ Installation

$ Executing the PSAT GUI Mode

$ Case study and data preparation

$ Ho to set up a test system !or

poer !lo analysis$ Settings and poer !lo solution

$"ieing and analy#ing results

$ $uestions%


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Introduction

$&hat is the PSAT%% Is an open sourcepower system analysis toolbox for

Matlab and GNU/Octave developed by Dr. ederico Milano.

$&hat is it used !or%% It can be used for power system analysis and control

learnin!" education and researc#.

$&hat is this presentation a'out%% Is about #ow to use $S%& from scratc# to do simple power

'ow analysis.

$&hat ill you learn !rom this presentation%% is presentation does not intend to !ive you neit#er a

complete nor solid understandin! of t#e $S%& pro!ram.

% It serves as a simple introduction to !et you (up and

runnin!) wit# t#e pro!ram.


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Internet *ommunity

$ The PSAT (orum is an internet community o!de)elopers* program users and poer systementhusiasts+

$More than ,*-.. users around the orld/

$ Part o! the 0pen Source nature an philosophyo! PSAT1 a spirit o! colla'oration+$ 2ou can get help and as3 4uestions related tothe PSAT and Poer Systems 3noledge+

$Also* donload the most recent )ersion o!

PSAT* PSAT 5ocumentation* sample data !iles*etc+

$ Hope to see you there/1

http166tech+groups+yahoo+com6group6psat!orum6


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Installation

$ 2ou ill 'e pro)ided a compressedtarballith the most recentdistri'ution o! the PSAT and thedocumentation+

$ 2ou can alternati)ely donload the PSAT!rom1

http166!araday7+ucd+ie6psat+html

$ Uncompress the !iles and copy the

8psat9 !older pre!era'ly to the 8or39directory in the Matla' directory+

$ It is ad)isa'le that you add the 8psat9directory and its su'directories to theMatla' Path+
http://home/fmilano/Documents/courses/IEBT/%20http:%2F%2Ffaraday1.ucd.ie%2Fpsat.htmlhttp://home/fmilano/Documents/courses/IEBT/%20http:%2F%2Ffaraday1.ucd.ie%2Fpsat.html


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+xecutin! t#e $S%& in GUIMode

$ 0nce PSAThas 'eeninstalledtype in theMatla'

Command&indo1

:: psat

$ A!ter asplashindo* the8Main GUI9ill appearin your

screen1


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Options and settin!s you will beusin!

View power flow

results, Static

Report iconOpen a

data file

Run power

flow

Program

settings

Launch thePSAT-

Simulin

model li!rar"

#to set up "our

one-line

diagram$


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*ase Study and Data$reparation

$ Poer !lo example !rom Grainger and

Ste)enson;s 'oo3+


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*ase Study and Data$reparation

$ 2ou should prepare your system data in ta'les !or

easy input into PSAT1,olta!ebase - ,

Systembase 0 ,%

System data

1us , $! 234 5! 2,%r4 $d 234 5d 2,%r4 type

0 0. 6 6 7 8.99 slac

- 6 0: 07.87 $5

8 6 - 0-8.9; $5

; 0.- 80< 6 8> .0-:7


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Settin! up t#e system in$S%&

$ To options1 data !iles or one


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Usin! t#e GN+ $ower low*omponents

$ Clic3 on theSimulin3icon o! thePSAT MainGUI+

$ The Simulin3modelli'rary illappear+

$ 2ou onlyneed to useto o! thesu'li'raries+

$ &rag and dro' the com'onents youneed to use in a blan Simulin file"


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&= from%bedul to Olmo

$ 5rag and drop the PItransmission model to a'lan3 Simulin3 (ile+

$ 5ou'le clic3 on the

component and introduceall the data+

$ >ine data1

(rom ?us To ?us @

26B


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inal One?Dia!ram

$ eep adding each o! theremaining elements o! theone


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@emars on $er Unit ,alues in$S%&

$ The de!ault poer 'ase is 7.. M"A+ This )aluecan 'e changed in the main PSAT indo+

$?uses de!ine the )oltage 'ase in 3"+

$ Per unit )alues o! each de)ice are de!ined'ased on the poer and )oltage nominal rates o!the de)ice+

$ ?e!ore running the poer !lo analysis the perunit )alue o! each de)ices are con)erted to thesystem poer 'ase and to the )oltage 'ase o!the 'us at hich the de)ice is connected+


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,ery Important @emars

$ Poer 'ases alaysre!er to three