6EE7 Control System.docx

8/19/2019 6EE7 Control System.docx

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CHANAKYA TECHNICAL CAMPUS,JAIPUR

DEPARTMENT OF ELECTRICAL ENGINEERING

LAB-MANUAL

VI SEM EE

6EE7A

COTROL SYSTEM

LAB


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CHANAKYA TECHNICAL CAMPUS,JAIPUR Course outcome:

Learning Outcomes T!roug! "ro#$em so$%ing an& $a#orator' "ractice, t!is course "ro%i&es a

(oun&ation in continuous)time $inear contro$ s'stem t!eor'* A(ter success(u$$' com"$eting t!e

course, stu&ents are a#$e to

+* Re"resent a &'namic s'stem using or&inar' &i((erentia$ euations, trans(er (unctions,

(reuenc' res"onse, an& state)s"ace met!o&s*

-* Ana$'.e, &esign, an& s'nt!esi.e (eeac/ contro$ s'stems using (reuenc' res"onse, an&

state)s"ace met!o&s*

0* E((ecti%e$' use MATLA1 an& SIMULINK in t!e ana$'sis, &esign, simu$ation, an& rea$)time

Im"$ementation o( c$ose&)$oo" s'stems*

2* Per(orm root $ocus ana$'sis o( a s'stem using mat$a# to stu&' t!e in($uence o( "o$es an&

.eroes on t!e "er(ormance o( t!e s'stem

3* Per(orm (reuenc' res"onse ana$'sis o( a s'stem using mat$a# to stu&' t!e in($uence o( "o$e

an& .ero on t!e "er(ormance o( t!e s'stem


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4/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR DEPARTMENT OF ELECTRICAL ENGINEERING

LA1 ETHICS

DO’s

1 Enter the lab on time an lea!e at "ro"er time#$ %ee" the ba&s outsie in the rac's#

( )tili*e lab hours in the corres"onin& e+"eriment#

, Ma'e the -u""l. o// the %its0Eui"ment2s a/ter com"letion o/ E+"eriments#

3 Maintain the ecorum o/ the lab#

Don2ts

1 Don2t brin& an. e+ternal material in the lab#

$ Don2t ma'e noise in the lab#

( Don2t brin& the mobile in the lab#

, Don2t enter in Facult. room 4ithout "ermission#

3 Don2t litter in the lab#

5 Don2t carr. an. lab eui"ment2s outsie the lab

6e nee .our /ull su""ort an coo"eration /or smooth /unctionin& o/ the lab#


5/41


DEPARTMENT OF ELECTRICAL ENGINEERING

IN-TR)CTION-

1E4ORE ENTERIN5 IN THE LA1

1 All the stuents are su""ose to "re"are the theor. re&arin& the "resent

E+"eriment#

$ -tuents are su""ose to brin& the "ractical /ile an the lab co".#

( Pre!ious e+"eriment shoul be 4ritten in the "ractical /ile#

, Ob7ect8 A""aratus Table 9 rie/ Theor. o/ the current "ractical shoul be 4ritten

in the lab co".#3 An. stuent not /ollo4in& these instructions 4ill be enie entr. in the lab an

-essional Mar's 4ill be a//ecte#

6;ILE 6OR%ING IN T;E LA

1 Ahere to e+"erimental scheule as instructe b. the /acult.#

$ Recor the obser!ations in lab co". 9 chec'e b. the /acult.

( Each stuent shoul 4or' on his assi&ne table o/ the lab#

, Ta'e res"onsibilit. o/ !aluable accessories#

3 Concentrate on the assi&ne "ractical an be care/ul#

5 I/ an.one is cau&ht re


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E+"eriment No


7/41


On t!e ot!er !an&, 'ou can use t!e @ o"erator to !a%e a trans"ose o( t!e %ector

rD cG

rD+ - 0 2

Matrices:

A matri8 can #e entere& a ro6 at a time, 6it! a semico$on #et6een ro6s

AD + )- + -F

A D

+ ) -

+ -

T!e i&entit' matri8 can #e (orme& 6it! t!e (unction e'e7n9, 6!ere n is t!e si.e o(

t!e &esire& matri8

IDe'e7-9

I D

+

+

=e can no6 &o mat!ematica$ mani"u$ations o( t!ese matrices, inc$u&ing (in&ing t!e

In%erse o( t!e matri8 7A Reca$$ t!at AA


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CHANAKYA TECHNICAL CAMPUS,JAIPUR E8ecuta#$e (i$es in MATLA1 are generate& #' storing a $ist o( MATLA1 comman&s in a (i$e

gi%en t!e e8tension *m* T!ese (i$es are ca$$e& M)(i$es* To create an M)(i$e, use t!e Ne6***M)(i$e

O"tion un&er t!e 4i$e Menu in t!e Comman& =in&o6* T'"e in t!e (o$$o6ing comman&s in t!e

M)4i$e E&itor =in&o6

8 D *++F

' D cos789

"$ot78,'9

8$a#e$7G8G9

'$a#e$7G'G9

tit$e7GA "$ot o( Cosine789G9

Sa%e t!e (i$e using Sa%e O"tion un&er t!e 4i$e Menu in t!e M)4i$e E&itor =in&o6*

Ca$$ it, sa', cosine"lot#m* No6, to run t!is "rogram in MATLA1, mo%e o%er to t!e

MATLA1 Comman& =in&o6 an& @ust t'"e incosine"lot

Control -.stem Toolbo+:

MATLA1 !as a ric! co$$ection o( (unctions imme&iate$' use(u$ to t!e contro$ engineer or

s'stem t!eorist* One o( t!e too$s in MATLA1 is t!e Contro$ S'stem Too$#o8* T!e Contro$

S'stem Too$#o8 #ui$&s on t!e (oun&ations o( MATLA1 to "ro%i&e (unctions &esigne& (or

contro$ engineering* T!e Contro$ S'stem Too$#o8 is a co$$ection o( a$gorit!ms, 6ritten most$'

as M)(i$es, t!at im"$ements common contro$ s'stem &esign, ana$'sis, an& mo&e$ing tec!niues

Con%enient gra"!ica$ user inter(aces 75UIs9 sim"$i(' t'"ica$ contro$ engineering tas/s* Contro$

s'stems can #e mo&e$e& as trans(er (unctions, in .ero)"o$e)gain or state)s"ace (orm, a$$o6ing

'ou to use #ot! c$assica$ an& mo&ern contro$ tec!niues* You can mani"u$ate #ot! continuous)

time an& &iscrete)time s'stems* Con%ersions #et6een %arious mo&e$ re"resentations are

"ro%i&e&* Time res"onses, (reuenc' res"onses, an& root $oci can #e com"ute& an& gra"!e&

Ot!er (unctions a$$o6 "o$e "$acement, o"tima$ contro$, an& estimation* 4ina$$', t!e Contro$

S'stem Too$#o8 is o"en an& e8tensi#$e* You can create custom M)(i$es to suit 'our "articu$ar

a""$ication*

Time Res"onse:Time res"onse ana$'ses inc$u&e #ut not $imite& to

a# -te" Res"onse anal.sis:

+* Ste" res"onse is ca$cu$ate& #'

'Dste"7num,&en,t9

6!erenum is t!e numerator o( t!e trans(er (unction, &en is t!e &enominator

o( t!e trans(er (unction, an& t is a %ector contains regu$ar$' s"ace& time

instants*


9/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR -* To "$ot t!e ste" res"onse, a&&

"$ot7'9

or 'ou can @ust 6rite

ste"7num,&en,t9

b# Root Locus "lot:

+* T!e root $ocus is ca$cu$ate& #' a&&ing

RDr$ocus7num,&en,/9

6!ere / is a %ector t!at contains t!e range o( gain s"eci(ie& #' t!e user*

-* To "$ot t!e root $ocus, a&&

"$ot7R,G8G9

6!ere t!e c$ose& $oo" roots are in&icate& #' t!e s'm#o$ G8G*

Freuenc. Res"onse anal.ses:a# 4reuenc' Res"onse ana$'ses inc$u&e #ut not $imite& to

oe "lot:

+* T!e magnitu&e an& "!ase o( #o&e "$ot 6i$$ #e ca$cu$ate& #' t!e (o$$o6ing (ormu$a

6D$ogs"ace7&+,&-9

6!ere 6 is a %ector contains t!e range o( (reuencies #et6een +&+ an&

+&- * In or&er to ca$cu$ate t!e gain an& "!ase o( 1o&e "$ot, a&&

mag,"!aseFD#o&e7num,&en,69

-* To "$ot t!e #o&e "$ot, a&&

magD-$og+7mag9

su#"$ot7-++9

semi$og87mag

su#"$ot7-+-9

semi$og87"!ase9

A$ternati%e$', 'ou can on$' a&&

#o&e7num,&en,69

0* To (in& t!e gain margin, "!ase margin, t!e gain cross o%er (reuenc' an& "!ase cross o%er

(reuenc', a&&

gm,"m,6g,6"FDmargine7mag,"!ase,69

b# N.uist "lot:

T!e rea$ an& imaginar' "arts 6i$$ #e ca$cu$ate& #'

re,imFDn'uist7num,&en,69

Po$ar7re,im9

-imulin':


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CHANAKYA TECHNICAL CAMPUS,JAIPUR Simu$in/ is a too$ (or mo&e$ing, ana$'.ing, an& simu$ating a 6i&e %ariet' o( "!'sica$ an&

mat!ematica$ s'stems, inc$u&ing t!ose 6it! non$inear e$ements an& t!ose 6!ic! ma/e use o(

continuous an& &iscrete time*

;ints:

T/ S"eci(ies trans(er (unctions or con%erts LTI mo&e$ to trans(er (unction (orm

s's D t(7num,&en9

6it! numerator7s9 7num9 an& &enominator7s9 7&en9* T!e out"ut SYS is a T4o#@ect*

s.sD t(7num,&en,TS9

creates a &iscrete)time trans(er (unction 6it! sam"$ing time TS 7set TSD)+ i( t!e

sam"$e time is un&etermine&9*

CON?: Con%o$ution an& "o$'nomia$ mu$ti"$ication

C D con%7A, 19 con%o$%es %ectors A an& 1* T!e resu$ting %ector is $engt!LEN5TH7A9

LEN5TH719* I( A an& 1 are %ectors o( "o$'nomia$ coe((icients, con%o$%ing t!em is eui%a$entto mu$ti"$'ing t!e t6o "o$'nomia$s*

t/ata: uic/ access to trans(er (unction &ata

4or a sing$e SISO mo&e$ SYS, t!e s'nta8

NUM,:ENF D t(&ata7s's,G%G9

returns t!e numerator an& &enominator as ro6 %ectors rat!er t!an ce$$ arra's*Ho6e%er, 'ou can

use t!e on$ine !e$" to e8"an& 'our /no6$e&ge a#out MATLA1*

Proceure:

+* 4or t!e (o$$o6ing t6o trans(er (unctions

A* :ra6 t!e unit ste" res"onse*

1* :ra6 t!e root $ocus "$ot*

C* :ra6 t!e 1o&e "$ot*

:* :ra6 t!e N'uist "$ot

-* 4or t!e (o$$o6ing c$ose& $oo" trans(er (unction s!o6n in 4igure 7+*+9


11/41


A* 1ui$& an& run a Simu$in/ mo&e$* A""$' a ste" signa$ o( + an& &is"$a's it in a sco"e*1* C!ange t!e $engt! o( t!e simu$ation time to #e - secon&s an& re)run it*

C* C!ange t!e in"ut signa$ to a sinusoi&a$ in"ut signa$ an& run t!e simu$ation* Ho6 &oes t!e

s'stems res"onse &i((er

:* C!ange t!e (reuenc' o( t!e sin signa$ so t!at it is no6 + times $arger t!an t!e &e(au$t %a$ue

Ho6 &oes t!e s'stems res"onse &i((er

E* 5enerate t!e su#s'stem o( t!e Simu$in/ mo&e$ an& re"eat ste" A*


12/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR E+"eriment No


13/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR b De/inin& -.stem in BP% /orm<

c$ear

c$c

. D

. D

" D - +i +)i F

" D

-* +* +*i +* ) +*i

/ D )-

/ D

)-

H D ."/7.,",/9

ero"o$egain

)- s

))))))))))))))))))))

7s)-9 7s- ) -s -9

RE-)LT :T!us 6e !a%e success(u$$' &e(ine& S'stems in T4, PK (orm*


14/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR E+"eriment No# (

O=ECT: a Plot ste" res"onse an b ram" res"onse o/ a &i!en TF#

PROGRAM: a Plot ste" res"onse

c$ear

c$c

numDQ +Q 0-F

num D

Q +Q 0-

&en D+ +2 -2F

&en D

+ +2 -2

!Dt(7num,&en9

Trans(er (unction

Q s- +Q s 0-


15/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR ))))))))))))))))))))))) 4igure Ste" res"onse

s0 s- +2 s -2

ste"7num,&en9

PROGRAM: b "lot

ram" res"onse

c$ear

c$c

numDQ +Q 0-F

num D

Q +Q 0-

&en D+ +2 -2F

&en D

+ +2 -2

!Dt(7num,&en9

Trans(er (unction

Q s- +Q s 0-

))))))))))))))))))))))) 4igure Ram" res"onse


16/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR s0 s- +2 s -2

tD*+*3

u D t

$sim7!, u, t9

RE-)LT :T!us 6e !a%e success(u$$' "$ot ste" res"onse an& ram" res"onse o( a gi%en T4*


17/41


E+"eriment No# ,

O=ECT: For a &i!en $n orer s.stem "lot ste" res"onse an obtain time res"onse

s"eci/ication#

PROGRAM:

c$ear

c$c

numD+ F

num D

+

&enD+ - +F

&en D

+ - +

!Dt(7num,&en9

Trans(er (unction

s

))))))))))))) 4igure Ste" res"onse

s- - s +

ste"7!9

RE-)LT :T!us 6e !a%e success(u$$' "$ot ste" res"onse o( a gi%en -n& or&er T4*


18/41


E+"eriment No# 3

O=ECT: To esi&n 1st orer R


19/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR No6 6e notice t!at t!e #rac/ete& term /t + is mu$ti"$ie& #' a constant 10RC* =e &o t!is in

Simu$in/ #' "assing t!e signa$ t!roug! a 5ain #$oc/ as in 4ig* 0 #e$o6* 1ecause a$$ t!e terms

on t!e rig!t)si&e o( 8&ot are accounte& (or, 6e /no6 t!at t!e out"ut signa$ must #e eua$ to t!e

$e(t si&e o( t!e euation, 6!ic! is +ot*

Ho6e%er, 6e are intereste& in +8 not +ot* Ho6 can 6e ta/e t!e +otout"ut signa$ an& get an +

out"ut T!e ans6er is to use an integrator #$oc/ as in 4ig* 2 #e$o6*

No6, 6e !a%e t!e &esire& + out"ut, #ut 6e notice t!at + is a$so an in"ut o( t!e s'stem* In our

mo&e$ a#o%e, t!e in"ut + #ranc! is a #ranc!* In ot!er 6or&s, t!ere is no rea$ signa$ going

in t!ere* Ho6 can 6e ma/e + #ot! an out"ut an& in"ut o( t!e s'stem T!e ans6er is to use a

(eeac/ $oo" #' ta""ing t!e out"ut + signa$ an& (ee&ing it #ac/ into t!e s'stem at t!e in"ut "oint* A(ter some mani"u$ation o( t!e $ines, 'our mo&e$ s!ou$& $oo/ $i/e 4ig* 3 #e$o6*

Fi 3 Finishe simulin' moel#


20/41


A(ter a&&ing a Sco"e #$oc/, 'ou are rea&' to set t!e

#$oc/ "arameters, an& run t!e simu$ation*

Runnin& -imulation an Anal.*in& ata:

Ha%ing com"$ete& t!e Simu$in/ Mo&e$s (or #ot! t!e (irst

an& secon& or&er s'stems, it is no6 time to run a sim"$e

simu$ation an& $oo/ at t!e resu$ts* =e 6i$$ start (irst 6it!

t!e (irst)or&er s'stem, an& t!en s!o6 t!e simu$ation an&

resu$ts (or t!e secon&)or&er s'stem*

:ou#$e)c$ic/ on t!e Inte&rator #$oc/ an& set t!e initia$

con&itions to .ero as s!o6n in 4ig* Lea%e t!eremaining (ie$&s as t!e' are*

Fi 5# Inte&rator

bloc'

"arameters

No6, &ou#$e c$ic/ on

t!e 5ain #$oc/ an& set t!e

gain to t!e %a$ues

s!o6n in 4ig* #e$o6*


21/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR Fi # Gain bloc' "arameters

O"en t!e -te" #$oc/ to (ami$iari.e 'ourse$( 6it! t!e "arameters* No6, run t!e simu$ation an&

o"en t!e -co"e #$oc/* Your resu$ts s!ou$& #e simi$ar to 4ig* Q #e$o6*

Fi H#Out"ut /rom /irst


22/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR O=ECT: To esi&n $n orer electrical net4or' an stu. its transient res"onse /or ste"

in"ut an /ollo4in& cases#

Ne&ati!e am"e s.stem J K

)nam"e s.stem K

)neram"e -.stem# K J J 1

Criticall. am"e s.stem# 1

O!eram"e -.stem 1

T;EOR>:

Trans(er (unction (or a secon&)or&er s'stem can #e 6ritten as,


23/41



24/41



25/41


4igure + Ste")res"onse o( Secon&)or&er S'stem 7Vn D +9


26/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR Pro&ram:

6nD3

6n D

3

.etaD)+ *- + -F

.eta D

)+* *- +* -*

(or iD+3

numD6n6nF

&enD+ -.eta7i96n6n6nF

ste"7num,&en9

!o$& on

set7gca, GWLimG, 0F,GYLimG, -*3F9

en&

Res"onse:


27/41


RE-)LT- T!us 6e !a%e success(u$$' stu&ie& o( -n& or&er s'stem an& got its transient res"onse

(or ste" in"ut an& (o$$o6ing cases*

Negati%e &am"e& s'stem X

Un&am"e& s'stem X D

Un&er&am"e& S'stem* X +

Critica$$' &am"e& s'stem* X D +

O%er&am"e& S'stem X +


28/41


E+"eriment:

Introuction to Lea


29/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR t!en 'ou can a&& a .ero at a $o6 (reuenc' an& (o$$o6 t!at .ero 6it! a "o$e at a !ig!er

(reuenc'*

Lea or La& Control

Lea& an& $ag contro$ are use& to a&& or re&uce "!ase #et6een - (reuencies* T'"ica$$' t!ese

(reuencies are centere& aroun& t!e o"en $oo" crosso%er (reuenc'* A $ea& (i$ter t'"ica$$' !as

unit' gain 7 &19 are $o6 (reuencies 6!i$e t!e $ag "ro%i&es a no unit' gain at $o6 (reuencies*

Lea


30/41


E+"eriment


31/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR + - +

!Dt(7num,&en9

Trans(er (unction

+

))))))))))))))

s- - s +

#o&e7!9

=e get t!e #o&e "$ot o( a gi%en secon& or&er trans(er (unction


32/41


RE-)LT: T!us 6e !a%e success(u$$' stu&ie& #o&e "$ot (or a -n& or&er s'stem an& (in& 5Man& PM*

E+"eriment No#


33/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR O=ECT: Chec' /or the stabilit. o/ a &i!en close loo" s.stem#

PROGRAM:

c$ear

c$c

numD+F

num D

+

&enD+ - +F

&en D

+ - +

!Dt(7num,&en9

Trans(er (unction

+

))))))))))))))

s- - s +

n'uist7!9

=e get t!e n'uist "$ot o( a gi%en secon& or&er trans(er (unction


34/41


RE-)LT: T!us 6e !a%e success(u$$' stu&ie& (or c!ec/ing t!e sta#i$it' o( a gi%en c$ose& $oo"

s'stem

E+"eriment No# 1K

O=ECT:


35/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR APPARAT)- RE)IRED: ) AC Ser%o Motor Setu", :igita$ Mu$timeter an& Connecting

Lea&s#

T;EOR>:<

AC ser%omotor !as #est use (or $o6 "o6er contro$ a""$ications* Its im"ortant "arameters are

s"ee& [ torue c!aracteristics* An AC ser%omotor is #asica$$' a t6o "!ase in&uction motor

6!ic! consist o( t6o stator 6in&ing oriente& Ze$ectrica$$' a"art* In (eeac/ a""$ication

"!ase A is energi.e& 6it! (i8e& %o$tage /no6n as an& "!ase 1 is energi.e& 6it!

%aria#$e %o$tage ca$$e& * In t!is setu" AC ser%omotor is mounte& an&

mec!anica$$' cou"$e& a sma$$ PM:C motor $oa&ing "ur"ose* =!en :C su""$' is (e& to :C

motor it runs in re%erse &irection o( ser%omotor &irection to im"ose $oa& on ser%omotor* T!e

resu$tant torue &e%e$o"e& #' :C motor to o%ercome it increase t!e current t!roug! it 6!ic! is

in&icate& #' "ane$ meter*

CIRC)IT DIAGRAM:<

4ig +* Circuit &iagram


36/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR PROCEDURE: -

+* S6itc! ON t!e "o6er su""$', s6itc! ON S+* S$o6$' increase contro$ P+ so t!at AC

ser%omotor starts rotating* Connect :?M across :C motor soc/ets 7re& #$ac/9* ?er' t!e

s"ee& o( ser%omotor gra&ua$$' an& note t!e s"ee& N r"m an& corres"on&ing #ac/ em(E# across

:C motor*

-* Connect :?M across ser%o motor contro$ 6in&ing soc/e& 7'e$$o69 an& a&@ust AC

Ser%omotor %o$tage to ? an& note s"ee& N r"m in ta#$e*

0* S6itc! on S- to im"ose $oa& on t!e motor &ue to 6!ic! t!e s"ee& o( AC motor &ecreases*

Increase t!e $oa& current #' means o( P- s$o6$' an& note corres"on&ing s"ee& N r"m an& Ia*

Ca$cu$ate PDIaE# an& TorueDP+*+Z+2-*-*+2Ngmcm*

O-ER?ATION TALE:<

TABLE-1

S.NO

.

SPEED N rpm Eb vo!"

1.

2.

3.

4.

TABLE-#

S.NO. I$ $mp Eb % T$b 1 & Sp''( N P )$!! Tor*+'

1.


37/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR #.

,.

.

PRECA)TION-: <

+* A""$' %o$tage to ser%omotor s$o6$' to a%oi& errors*

-* Im"ose $oa& #' :C motor s$o6$'*

0* Ta/e t!e rea&ing accurate$' as t!e meter ($uctuates*

2* S6itc! O44 t!e setu" 6!en note in use*

GRAP;:


38/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR RE-)LT:<

The graph is plotted between speed and torqe. !s we red"e the speed o#

the $otor the torqe goes on in"reasing there#ore the graph starts with a

low %ale and rises to a high %ale appro&i$atel' linearl' .This rise in the

graph is de to the rising speed( torqe "hara"teristi"s o# !) ser%o $otor.


39/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR E+"eriment No# 11

O=ECT:


40/41


Fi $ Circuit ia&ram DC e+citation

PROCEDURE: -

+* Connect t!e "o6er an& se$ect t!e e8citation s6itc! to :C* Kee" Pot*+ to center D+Q\*

Connect :?M to error out"ut* Turn Pot*- (rom -\ to 02\ in regu$ar ste"s* Note &is"$acement

in \D]- an& out"ut %o$tage E as ?* P$ot gra"! #et6een ? an& ]eD ]+) ]-*

-* S6itc! ON t!e "o6er an& se$ect e8citation s6itc! to AC* Connect one o( CRO in"ut 6it!carrier out"ut soc/et an& groun&* Connect ot!er in"ut o( CRO 6it! error out"ut soc/et* Kee"

"ot*+ (i8e& at +Q\ an& mo%e "ot*- (rom -\ to 02\* Note &is"$acement in ]\ an& :emo&u$ator

%o$tage ?:M* P$ot gra"! #et6een &is"$acement an& &emo&u$ator %o$tage*

O-ER?ATION TALE:<

TABLE-1 For DC S+pp0

S.NO

.

Po!.# po"!o2 2

34

3'5 31- 3# O+!p+! o!$' 5

8

TABLE-# For AC S+pp0


41/41

CHANAKYA TECHNICAL CAMPUS,JAIPUR S.NO. Po!.# po"!o2 2

34

3'5 31- 3# O+!p+! o!$' 5

8

PRECA)TION-: <

+* Se$ect t!e e8citation s6itc! as reuire&, AC or :C* =rong se$ection ma' cause error in

e8"eriment or &amage t!e setu"*

-* Ta/e t!e rea&ing care(u$$'*

0* S6itc! O44 t!e setu" 6!en not in use*

GRAP;:<

RE-)LT:<

T!e gra"! is "$otte& #et6een &is"$acement ang$e an& out"ut %o$tage* 4or :C E8citation t!e

out"ut %o$tage increases $inear$' 6it! "ositi%e &is"$acement ang$e an& &ecreases 6it! negati%e

&is"$acement ang$e, #ut (or AC e8citation it is re%erse* T!e out"ut %o$tage increases 6it!negati%e &is"$acement an& &ecreases 6it! "ositi%e &is"$acement ang$e*

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6EE7 Control System.docx