what is power qualityfinal_tomam - copy

8/9/2019 What is Power Qualityfinal_tomam - Copy

1/26

POWER QUALITY ISSUE AND SMART

GRID

SUBMITTWD BY

SUBMITTED TOSUBHASH KUMARMRS. JAIMALA GAMBHIR

ME ELECTRICAL

13206022


2/26

What is Power quality

• De!i"itio"#Power quality $ro%le& is a"y $ower $ro%le&&a"i!este' i" (olta)e* +urre"t* or !reque"+y 'e(iatio" thatresults i" !ailure or &al#o$eratio" o! +usto&er equi$&e"t,

• I! ele+tri+al equi$&e"t o$erates +orre+tly a"' relia%ly without

%ei") 'a&a)e' or stresse'* we +a" say that the ele+tri+al $ower is o! )oo' quality,

• Whe" $ower quality is a!!e+te' we &ay "oti+e a %rie!i"terru$tio" o! $ower su+h as the %li"-i") o! your +o&$uter or'i&&i") o! your li)hts


3/26

Power quality +a" %e si&$ly 'e!i"e' as

show" i" the i"tera+tio" 'ia)ra&,

•Volta! Sa"

•Volta! S#!ll"•Bla$%o&t"'B(o#)o&t"

• T(a)"*!)t

Electrical GridUtility

Nonlinear Loads

Industrial/Commercial/Residential

Consumers

Voltage

QualityCurrent

Quality

Power

Quality


4/26

Why are we +o"+er"e' a%out PQ

• North A&eri+a" i"'ustries lose Te"s#o!#.illio"s o! Dollars

e(ery year i" 'ow"ti&e 'ue to $ower quality $ro%le&s,

•

Loa' "o"li"earities i" risi") a"' is e/$e+te' to rea+h 01 to213 i" the year 4110 56o&$uters* UPS* !a/ &a+hi"es*

$ri"ters* !luores+e"t li)hti")* i"'ustrial re+ti!iers* D6 'ri(es*

et+7,

• The +hara+teristi+s o! the ele+tri+ loa's ha(e +ha")e',

• 8ar&o"i+s are +o"ti"uous $ro%le& "ot tra"sie"t or

i"ter&itte"t,


5/26

Power Quality Issue a"' Pro%le&s

Power Quality issues +a" %e rou)hly %ro-e" i"to a "u&%er o!

su%#+ate)ories9

• 8ar&o"i+s :su%* su$er a"' i"ter har&o"i+s7,

•

;olta)e swells* sa)s* !lu+tuatio"s* !li+-er* a"' tra"sie"ts• ;olta)e &a)"itu'e a"' !reque"+y 'e(iatio"* (olta)e i&%ala"+e

:< $hase syste&7

• 8ot )rou"'i") loo$s a"' )rou"' $ote"tial rise :GPR7=Sa!ety

> ?ire 8a@ar's• Mo"itori") a"' &easure&e"t,


6/26

Power quality relates with

• A++or'i") to this a$$roa+h $ower quality &ay %e +o#relate'

with !our to$i+s9

•;olta)e

• ?reque"+y

• 8ar&o"i+ 'istortio"

• Power !a+tor


7/26

Power Quality > ;olta)e

• The i&$a+t o! (olta)e (ariatio"s is to +ause hi)her e"er)y

+o"su&$tio",

• i"+rease' +urre"t +auses i"+rease i" IR losses o! the

"etwor-, ?or e/9 a 413 'ro$ i" (olta)e woul' i"+rease the

losses i" the "etwor- %y 0B3

• Dro$ i" e!!i+ie"+y o! &otors # +hara+teristi+s o! &otors are

su+h that a 'ro$ i" (olta)e will &ea" a hi)her e"er)y

+o"su&$tio" to 'o the sa&e Co%


8/26

Power Quality > ?reque"+y

• (ariatio"s +a" o++ur* 'ue to the loa' le(els o" the

ele+tri+ity su$$ly syste&

• a hi)hly o(erloa'e' $ower syste& will e/$erie"+e a 'ro$

i" !reque"+y,

• Mis&at+h i" 'i!!ere"t se+tio" o! a )ri' +a" +ause $ower

quality a"' $ower su$$ly $ro%le&s $arti+ularly* whe" it is

i&$orta"t to ha(e a" i"te)rate' a"' i"ter+o""e+te' )ri',


9/26

Power Quality > 8ar&o"i+s

'ue to !ee'%a+- o! har&o"i+ +urre"ts !ro& "o" li"ear loa's

• is a !or& o! ele+tri+al $ollutio" o" the "etwor-

• The $rese"+e o! har&o"i+ 'istortio" has a si)"i!i+a"t

i&$a+t i" i"+reasi") e"er)y +o"su&$tio",• hi)h losses = i"+rease' te&$erature # !aster a)ei") o! the

i"sulatio"

• i"+rease' IR losses 'e$e"'s o" s-i" e!!e+t # the

$he"o&e"o" +auses o(er heati") # i"+reasi") the a&ou"to! e"er)y +o"su&$tio"

• Allowa%le li&it o! (olta)e har&o"i+ :037 > +urre"t

har&o"i+ :137


10/26

Power Quality > Power ?a+tor

+o#!( ,a$to(

• -!a"&(! a" a (at*o o, a$t*/! !)!( to aa(!)t !)!(o/!( a "!$*! t*-! !(*o

• *!al o#!( ,a$to( *" &)*t $a))ot 4! a$5*!/! &! to t5!

)at&(! o, loa" &"! !.. *)&$t*/! )o)l*)!a( loa"• lo#!( o#!( ,a$to( -!a)" -o(! $&((!)t (a#) ,o( t5!

"a-! loa $a&"!" *)$(!a"! *) aa(!)t o#!( !-a)7*.!.7 %VA !-a) *)$(!a"!" I8R lo""!"

• -o(! ""t!- $aa$*t *" )!!! to "&l t5! "a-! loa

• lo#!( o#!( ,a$to( (!"&lt" *) 5*5!( !)!( $o)"&-t*o)

• lo#!(*) o, o#!( ,a$to( al"o $a&"!" /olta! (o


11/26

Wi"' e"er)y )e"erati") syste&


12/26

WIND ENERGY SYSTEM

• The $ower quality $ro%le&s are )e"erally +o&$le/ a"'

'i!!i+ult to 'ete+t whe" we i"te)rate a wi"' tur%i"e to the )ri',

• The i'eal A6 li"e su$$ly %y the utility syste& shoul' %e a

$ure si"e wa(e o! !u"'a&e"tal !reque"+y:01B18@7 otherwise

that the la+- o! quality $ower +a" +ause loss o! $ro'u+tio"*

'a&a)e o! equi$&e"t or a$$lia"+es,

• De(i+es li-e STAT6OM +a" %e e!!e+ti(ely utili@e' to

i&$ro(e the quality o! $ower su$$lie' to the +usto&ers,

• Wi"' tur%i"e +o""e+te' to a Gri' +o"sisti") o! Distri%utio"

)e"eratio" a"' STAT6OM with .a+- U$ e"er)y stora)e,

• The ?A6TS De(i+e :STAT6OM7 +o"trol s+he&e !or the )ri'

+o""e+te' wi"' e"er)y )e"eratio" syste& to i&$ro(e the

$ower quality


13/26

6o"t,,

• I"Ce+tio" o! the wi"' $ower i"to a" ele+tri+ )ri' a!!e+ts the

$ower quality, The $er!or&a"+e o! the wi"' tur%i"e a"'

there%y $ower quality are 'eter&i"e' o" the %asis o!

&easure&e"ts a"' the "or&s !ollowe' a++or'i") to the

)ui'eli"es s$e+i!ie' i" I"ter"atio"al Ele+tro#te+h"i+al

6o&&issio" Sta"'ar',• The i"!lue"+e o! the Wi"' tur%i"e i" the Gri' syste&

+o"+er"i") the Power Quality &easure&e"ts are &easure'

a++or'i") to Natio"alI"ter"atio"al Gui'eli"es,

•8ere Stati+ 6o&$e"sator :STAT6OM7 is +o""e+te' at a Poi"to! 6o&&o" 6ou$li") :P667 with a .attery E"er)y Stora)e

Syste& :.ESS7 to Re'u+e the Power Quality issues, The

.attery E"er)y Stora)e is i"te)rate' to sustai" the Real Power

Sour+e u"'er !lu+tuati") Wi"' Power,


14/26

?A6Ts

• It is a syste& +o&$ose' o! stati+ equi$&e"t

• Use' to e"ha"+e +o"trolla%ility a"' i"+rease $ower tra"s!er

+a$a%ility


15/26

STAT6OM

• It is a re)ulati") 'e(i+e use' o" A6 tra"s&issio" "etwor-,

• It is %ase' o" (olta)e %ase' +o"(erter,

• It a+ts either +a$a+iti(e or

i"'u+ti(e &o'e,


16/26

.attery e"er)y stora)e syste&

• It is use' !or (olta)e re)ulatio"

• It +a" %e use' to le(el the $ower !lu+tuatio" %y +har)i") a"'

'is+har)i") o$eratio",

•

It ra$i'ly i"Ce+t:or7 a%sor% rea+ti(e $ower to sta%ili@e the )ri'syste&,


17/26

6o"trol s+he&e

• It is %ase' o" i"Ce+ti") the +urre"t i"to the )ri' F%a") %a")

+o"troller,

• The +o"troller uses a hysteresis +urre"t +o"trolle' te+h"ique,

•

The +o"troller -ee$s the +o"trol syste& (aria%le %etwee" %ou"'ary o! hysteresis area,

• It )i(es +orre+t swit+hi") si)"als !or STAT6OM o$eratio",


18/26

SMART GIRD INTEGRATION

• A s&art )ri' 'istri%utio" syste& * whose o%Ce+ti(e is to 'e(elo$ a

$ower )ri' &ore e!!i+ie"t a"' relia%le* i&$ro(i") sa!ety a"' quality

o! su$$ly i" a++or'a"+e with the require&e"ts o! the 'i)ital a)e,

• A hu)e "u&%er o! re+e"t e(e"ts ha(e +reate' a "ew e"(iro"&e"t i"

the i"ter+o""e+tio" o! ele+tri+ $ower syste&,• There is a $u%li+ aware"ess o! the e"(iro"&e"tal i&$a+ts o! ele+tri+

$ower )e"eratio"* ra$i' i"+reases i" ele+tri+ $ower 'e&a"' *

Si)"i!i+a"t a'(a"+es i" se(eral )e"eratio" te+h"olo)ies su+h as

wi"'#ele+tri+ )e"eratio"* &i+ro#tur%i"es* !uel +ells* a"' $hoto#

(oltai+ tha" +o"(e"tio"al +oal* oil* a"' )as#!ire' $la"t,

• The Natio"al I"stitute o! Sta"'ar's a"' Te+h"olo)y :NIST7 $ro(i'es

a +o"+e$tual &o'el as show" i" "e/t sli'e,


19/26

MODEL O? SMART GRID INTEGRATION


20/26

SMART GRID TOPOLOGY ?OR POWER

QUALITY

IMPRO;EMENT• The S&art )ri' to$olo)y !or $ower quality i&$ro(e&e"t is %ase'

+urre"t +o"trol (olta)e sour+e i"(erter * whi+h i"Ce+ts the +urre"t

i"to the )ri' i" su+h a way that the sour+e +urre"t are har&o"i+ !ree

a"' their $hase#a")le with res$e+t to sour+e (olta)e has a 'esire'

(alue,• The i"Ce+te' +urre"t will +a"+el out the rea+ti(e $art a"' har&o"i+

$art o! the loa' a"' i"'u+tio" )e"erator +urre"t *thus it i&$ro(es the

$ower !a+tor a"' the $ower quality,

• To a++o&$lish these )oals* the )ri' (olta)es are se"se' a"' are

sy"+hro"i@e' i" )e"erati") the +urre"t +o&&a"' !or the i"(erter,

The $ro$ose' s&art )ri' +o""e+te' syste& is i&$le&e"te' !or

$ower quality i&$ro(e&e"t at $oi"t o! +o&&o" +ou$li") :P667,


21/26

Gri' to$olo)y !or Power Quality

I&$ro(e&e"t

• The syste& +o"sist o! $ri&ary +o"trol a"' se+o"'ary.


22/26

6ONTROL TE68NIQUE

• Primary control 9 It +o"sist o! $ower ele+tro"i+s +o"(erter whi+h +a"

a%sor% or su$$ly the a+ti(e a"' rea+ti(e i"to the )ri', The +o"trol

allows the shari") o! $ower %etwee" the $ower +o"(erter a"' to the

)ri', The use o! these $ower +o"(erter has 'isti"+t %e"e!it i" the )ri'

o$eratio", The )ri' (olta)e +o"trol* har&o"i+ re'u+tio"s a"' i"# $hase o$eratio" are the $ower quality %e"e!it that +a" %e )ai"

without e/+essi(e +o&$ro&ise,

• Se+o"'ary +o"trol9 It re)ulates the ele+tri+al $ara&eter i"si'e the

)ri' %y usi") a +e"tral +o"troller with +o&&u"i+atio"s to ea+h

i"'i(i'ual +o"trol a"' se"'s the out$ut o! its re)ulatio" throu)h a+o&&u"i+atio" syste&, ?urther&ore* the se+o"'ary +o"trol ta-es

+are o! sy"+hro"i@atio" with "etwor-,


23/26

6o"+lusio"

• STAT6OM has the +a$a%ility to +a"+el out the har&o"i+ $art o! the loa'

+urre"t,

• STAT6OM &ai"tai" the sour+e (olta)e a"' +urre"t i" $hase a"' su$$ort the

rea+ti(e $ower 'e&a"' !or the wi"' )e"erator a"' loa',

• The s&art )ri' syste& are +o&$le/ with lar)e "u&%er o! 'i(erse +o&$o"e"t

+o""e+te' a (ast a"' )eo)ra$hi+ally e/te"'e' syste& a"' $oi"t out i" the

&o'el,

• Pri&ary +o"trol +o"sists o! $ower +o"(erter a"' is o$erate' as +urre"t +o"trol

i" the )ri' syste& so as to a+hie(e $ower quality a"' 'istortio" !ree at P66,

The $ower +o"trol s+he&e with hysteresis +urre"t +o"troller o! $ower

+o"(erter is $rese"te'


24/26

RE?EREN6ES

• 5H A,M,Shara! a"' Lia") hao* ‘A Novel Voltage Stabilization Scheme for Standalone Wind Energy Using a Facts Dal S!itching Universal Po!er Stabilization Scheme" * 4110

• 54H M,S, El#Moursi a"' A'el M, Shara!* #Novel S$A$%&' controller forvoltage stabilization of !ind energy scheme#( I"t, J, Glo%al E"er)yIssues* 411B,

• 5


25/26

CO9T..

• 50H Pra'ee$ , Na'a&* Pares- 6, Se"* #,ndstrial A**lication of Sliding 'ode %ontrol#( IEEEIAS I"ter"atio"al 6o"!ere"+e O" I"'ustrial Auto&atio" a"' 6o"trol* Pro+ee'i")s* $$,420#41* 0

• 5BH Pares- 6, Se"* #Electrical 'otor and %ontrol+Past( Present and Ftre# * IEEETra"sa+tio"s o" I"'ustrial Ele+tro"i+s* ;ol,


26/26

Co)t..

• 10 Al!a)!( Ao"tolo/7 I9TEGRATIO9 OF DISTRIBUTED E9ERGYRESOURCES I9 SMART GRIDS?7 +&4l*$at*o) Y!a(: 2012 7 +a!

what is power qualityfinal_tomam - copy

Documents