University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alLAB MANUALSubject Code: 7EE8APOWER SYSTEM MODELING & SIMULATION LAB (IV B. Tech VII Semester EE)DEPARTMENT O ELECTRICAL ENGINEERINGUniversity College of Engineering, RTU, Kota1University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alLIST O E!PERIMENTSSim!late Swing E$!ation in Sim!lin% &MAT"A'()* Modeling of Sync+rono!s Mac+ine*,* Modeling of -nd!ction Mac+ine*.* Sim!late sim/le circ!its !sing Circ!it Ma%er*0* &A( Modeling of Sync+rono!s Mac+ine wit+ PSS*&'( Sim!lation of Sync+rono!s Mac+ine wit+ 1ACTS device*2* &A( Modeling of Sync+rono!s Mac+ine wit+ 1ACTS device*&'( Sim!lation of Sync+rono!s Mac+ine wit+ 1ACTS devices*3* 1ACTS Controller designs wit+ 1ACT devices for SM-' system*2University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alE!PERIMENT NO" #A$%: & Sim!late Swing E$!ation in Sim!lin% &MAT"A'(*A''()(tu* )e+u$)ed:& MAT"A' Software" T,eo)-:&T+e e$!ation governing rotor motion of a sync+rono!s mac+ine is #ased on t+e elementary /rinci/le in dynamics w+ic+ states t+at accelerating tor$!e is t+e /rod!ct of t+e moment of inertia of t+e rotor times its ang!lar acceleration* -n t+e MKS &meter4%ilogram4second( system of !nits t+is e$!ation can#e written for t+e sync+rono!s gene rotor in t+e form56+ere t+e sym#ols +ave t+e following meanings57 8 T+e total moment of inertia of t+e rotor m asses, in %g4m,9m8 t+e ang!lar dis/lacement of t+e rotor wit+ res/ect to a stationary a:is, in mec+anical radians&rad(t 8 time, in seconds &s(Tm8t+emec+anical ors+aft tor$!es!//lied#yt+e/rimemoverlessretardingtor$!ed!etorotational losses, i n ;4m Te t+e net electrical or electromagnetic tor$!e, in ;4mTa8 t+e net accelerating tor$!e, in ;4m*3University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alC$)cu$t D$(.)(%:&&a( (&a( Swing c!rve for mac+ine if fa!lt cleared in >www*mat+wor%s*in>matla#central>newsreader>a#o!t,* +tt/5>>www*mat+wor%s*in>matla#central>newsreader>view?t+read>..3)0.3$0(& 3o$ce:&A*) 6+at is Sync+rono!s Mac+ineBA*, 6+at is Sync+rono!s Mac+ine S/eedB16University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alE!PERIMENT NO">A$%:& Modelingof -nd!ction Mac+ine*A''()(tu* Re+u$)ed:& MAT"A' SoftwareT,eo)-:&T+e Async+rono!s Mac+ine #loc% o/erates in eit+er generator or motor mode* T+e mode ofo/eration is dictated #y t+e sign of t+e mec+anical tor$!e5 -f Tm is /ositive, t+e mac+ine acts as a motor* -f Tm is negative, t+e mac+ine acts as a generator*T+eelectrical /art of t+emac+ineis re/resented#yafo!rt+4order state4s/acemodel andt+emec+anical /art #y a second4order system* All electrical varia#les and /arameters are referred to t+estator* T+is is indicated #y t+e /rime signs in t+e mac+ine e$!ations given #elow* All stator and rotor$!antities are in t+e ar#itrary two4a:is reference frame &d$ frame(* T+e s!#scri/ts !sed are defined asfollows5 Sub*c)$'t De2$/$t$o/d d a:is $!antity$ $ a:is $!antityr Rotor $!antity17University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alSub*c)$'t De2$/$t$o/s Stator $!antityl "ea%age ind!ctancem MagnetiCing ind!ctanceE1ect)$c(1 S-*te%Mec,(/$c(1 S-*te%18University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alT+eAsync+rono!s Mac+ine#loc%/arameters aredefinedas follows &all $!antities arereferred to t+e stator(5 P()(%ete) De2$/$t$o/ Rs, "ls Stator resistance and lea%age ind!ctanceRGr, "Glr Rotor resistance and lea%age ind!ctance"m MagnetiCing ind!ctance"s, "Gr Total stator and rotor ind!ctancesE$s, i$s $ a:is stator voltage and c!rrentEG$r, iG$r $ a:is rotor voltage and c!rrentEds, ids d a:is stator voltage and c!rrentEGdr, iGdr d a:is rotor voltage and c!rrent$s, ds Stator $ and d a:is fl!:es19University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alP()(%ete) De2$/$t$o/ G$r, Gdr Rotor $ and d a:is fl!:esJm Ang!lar velocity of t+e rotorMm Rotor ang!lar /osition/ ;!m#er of /ole /airsJr Electrical ang!lar velocity &Jm : /(Mr Electrical rotor ang!lar /osition &Mm : /(Te Electromagnetic tor$!eTm S+aft mec+anical tor$!e7 Com#ined rotor and load inertia coefficient* Set to infinite to sim!late loc%ed rotor*F Com#ined rotor and load inertia constant* Set to infinite to sim!late loc%ed rotor*1 Com#ined rotor and load visco!s friction coefficientD$(1o. Bo7 (/d P()(%ete)*20University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alNo! can c+oose #etween two Async+rono!s Mac+ine #loc%s to s/ecify t+e electrical and mec+anical/arameters of t+e model, #y !sing t+e /! Units dialog #o: or t+e S- dialog #o:* 'ot+ #loc%s aremodeling t+e same async+rono!s mac+ine model* =e/ending on t+e dialog #o: yo! c+oose to !se,SimPowerSystemsVsoftware a!tomatically converts t+e /arameters yo! enter into /er !nit/arameters* T+e Sim!lin%W model of t+e Async+rono!s Mac+ine #loc% !ses /! /arameters*Co/2$.u)(t$o/ T(bP)e*et %ode1:&Provides a set of /redetermined electrical and mec+anical /arameters for vario!sasync+rono!smac+ineratingsof /ower &FP(, /+ase4to4/+asevoltage&E(, fre$!ency&FC(, andrateds/eed &r/m(*Select one of t+e /reset models to load t+e corres/onding electrical and mec+anical /arameters in t+eentries of t+e dialog #o:* ;ote t+at t+e /reset models do not incl!de /redeterminedsat!ration /arameters* Select ;o if yo! do not want to !se a /reset model, or if yo! want to modifysome of t+e /arameters of a /reset model, as descri#ed #elow* 21University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!al6+en yo! select a /reset model, t+e electrical and mec+anical /arameters in t+e P()(%ete)* ta# of t+edialog #o: #ecome !nmodifia#le &grayed o!t(* To start from a given /reset model and t+en modifymac+ine /arameters, yo! +ave to do t+e following5)* Select t+e desired /reset model to initialiCe t+e /arameters* ,* C+ange t+e P)e*et %ode1 /arameter val!e to ;o* T+is will not c+ange t+e mac+ine /arameters*'y doing so, yo! @!st #rea% t+e connection wit+ t+e /artic!lar /reset model*.* Modify t+e mac+ine /arameters as yo! wis+, t+en clic% A''1-*Mec,(/$c(1 $/'ut54 Allows yo! to select eit+er t+e tor$!e a//lied to t+e s+aft or t+e rotor s/eed as t+eSim!lin% signal a//lied to t+e #loc%Gs in/!t*Select To)+ue T% to s/ecify a tor$!e in/!t, in ;*m or in /!, and c+ange la#eling of t+e #loc%Gs in/!tto Tm* T+e mac+ine s/eed is determined #y t+e mac+ine -nertia 7 &or inertia constant F for t+e /!mac+ine( and #y t+e difference #etween t+e a//lied mec+anical tor$!e Tmand t+e internalelectromagnetic tor$!e Te* T+e sign convention for t+e mec+anical tor$!e is t+e following5 w+en t+es/eedis /ositive, a/ositivetor$!esignal indicates motor modeandanegativesignal indicatesgenerator mode*Select S'eed 8 to s/ecify a s/eed in/!t, in rad>s or in /!, and c+ange la#eling of t+e #loc%Gs in/!t tow* T+e mac+ine s/eed is im/osed and t+e mec+anical /art of t+e model &-nertia 7( is ignored* Using t+es/eedast+emec+anicalin/!tallowsmodelingamec+anicalco!/ling#etweentwomac+inesandinterfacing wit+ SimMec+anicsV and Sim=rivelineV models*T+ene:tfig!reindicates+owtomodelastiffs+aftinterconnectioninamotor4generatorsetw+enfriction tor$!e is ignored in mac+ine ,* T+e s/eed o!t/!t of mac+ine ) &motor( is connected to t+es/eed in/!t of mac+ine , &generator(, w+ile mac+ine , electromagnetic tor$!e o!t/!t Te is a//lied tot+e mec+anical tor$!e in/!t Tm of mac+ine )* T+e Kw factor ta%es into acco!nt s/eed !nits of #ot+mac+ines &/! or rad>s( and gear #o: ratio w,>w)* T+e KT factor ta%es into acco!nt tor$!e !nits of #ot+22University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!almac+ines &/! or ;*m( and mac+ine ratings* Also, as t+e inertia 7, is ignored in mac+ine ,, 7, referredto mac+ine ) s/eed m!st #e added to mac+ine ) inertia 7)*Roto) t-'e:& S/ecifies t+e #ranc+ing for t+e rotor windings*Re2e)e/ce 2)(%e:& S/ecifies t+e reference frame t+at is !sed to convert in/!t voltages &a#c referenceframe( to t+e d$ reference frame, and o!t/!t c!rrents &d$ reference frame( to t+e a#c reference frame*No! can c+oose among t+e following reference frame transformations5 Rotor &Par% transformation( Stationary &Clar%e or XY transformation( Sync+rono!sT+e following relations+i/s descri#e t+e a#c4to4d$ reference frame transformations a//lied to t+eAsync+rono!s Mac+ine /+ase4to4/+ase voltages*23University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!al-n t+e /receding e$!ations, M is t+e ang!lar /osition of t+e reference frame, w+ile is t+e difference#etween t+e /osition of t+e reference frame and t+e /osition &electrical( of t+e rotor* 'eca!se t+emac+ine windings are connected in a t+ree4wire Nconfig!ration, t+ere is no +omo/olar &sim!late4swing4e$!ation4in4sim!lin%4matla#3$0(& 3o$ce:&A*) 6+at is 1ACTSBA*, 6+at is PSSB46University College of Engineering, RTU, KotaElectrical Engineering7EE8A Power System ModelingSim!lation "a# Man!alE!PERIMENT NO" CA$%: & 1ACTS Controller designs wit+ 1ACT devices for SM-' system*A''()(tu* )e+u$)ed:& MAT"A' software*T,eo)-:&A )>ir*infli#net*ac*in58#itstream>)).>).?a//endices*/df,* +tt/5>>/eo/le*eng*!nimel#*ed!*a!>aldeen>P=1?Pa/ers>Cr!scaAldeen?L,