harmonics in power distribution networks!

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    HBUDACN O_ N C PAZ MU Gnsw u ne } w nacC m w z a u k s

    $ Pu a e fmd , _a f} w n a c s $

    HBUDACN O_ N C PAZ MU Gnsw u ne } w nacC m w z a u k s

    $ Pu a e fmd , _a f} w n a c s $

    e~

    Gu# Khbfmg Mffnwh~Oa}usm Ncswu}owau

    Oaffmjm al Mcjncmmuncj

    MM Gmpbuwdmcw

    Ofbss Cawms MFMO 75? Mfmowuno Pazmu Gnswune}wnac

    _puncj 5025

    5

    OACWMCW_ Ncwuag}ownac

    Cac$fncmbu fabgs

    Hbudacnos Mllmows

    Hbudacnos Umpumsmcwbwnac , Hbudacnos ncgnoms

    Ncwmucbwnacbf swbcgbugs

    Hbudacnos umsacbcom puaefmd

    _af}wnacs wa hbudacnos puaefmd

    Hbudacnos bcbf~sns }sncj MG_B salwzbum

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    ?

    N CWUAG]OWN AC

    N CWUAG]OWN AC

    Pazmu r}bfn w~ puaefmd ns gmlncmg bs bc~puaefmd dbcnlmswmg nc o}uumcw& |afwbjm aulumr}mco~& zhnoh ob}sms mcg$}sm mr}npdmcwlbnf}um au dbfl}cownac

    Zhbw ns Pazmu R}bfnw~ Puaefmd1

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    =

    Pa z m u R} b f n w ~ N c o f } g ms

    \afwbjm bcg o}uumcw }cebfbcom

    \afwbjm sbj bcg szmff

    \afwbjm lf}ow}bwnac bcg lfnokmu

    \afwbjm Wubcsnmcws

    Jua}cgncj

    Hbudacnos

    $525# 0

    20&22&25& +&$&0&

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    72

    Wa wb f Hb ud ac no Gn swa u w n aca l \a f w bjm

    \afwbjm wawbf hbudacno gnswauwnac (\$WHG. ns }smg wagmlncm whm mllmow al hbudacnos ac pazmu s~swmd |afwbjm#

    Nw ns mxpumssmg bs b pmuomcw al whm l}cgbdmcwbf bcg ns

    gmlncm bs9

    200-2

    xUD_\

    \WHG\

    UD_H

    \2$UD_ 4 L}cgbdmcwbf \afwbjm& UD_

    Zhmum

    55

    ?

    5

    5 #### hUD_H \\\\

    5

    5

    h

    h\ ns whm |afwbjm hbudacno gnswauwnac

    75

    Wa wb f Hb ud ac no Gn sw a u w n aca l O}u umc w

    O}uumcw wawbf hbudacno gnswauwnac (N$WHG. ns }smg wagmlncm whm mllmow al hbudacnos ac pazmu s~swmd

    o}uumcw# Nw ns mxpumssmg bs b pmuomcw al whm

    l}cgbdmcwbf bcg ns gmlncm bs9

    N2$UD_

    4 l}cgbdmcwbf \afwbjm& UD_

    zhmum

    200-2

    xN

    NWHGN

    UD_

    UD_H

    55?55 #### hUD_H NNNN ns whm o}uumcw hbudacno gnswauwnac 55

    h

    hN

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    7?

    Wawbf Gmdbcg gnswauwnac (WGG. ns gmlncmg e~ NMMM=2>$2>>5 bs puapauwnac al hbudacno o}uumcw UD_

    oacwune}wnac znwh umspmow wa 2=$?0 dnc}wms dbxnd}d

    gmdbcg fabg o}uumcw al b s~swmd

    Wa wb f Gmd bcg G nswa u w n ac

    NF dbx $UD_ 4 Dbxnd}d l}cgbdmcwbf Fabg o}uumcw& UD_

    Zhmum

    200-&

    xN

    NWGG

    UD_DbxF

    UD_H

    55

    ?

    5

    5####

    hUD_HNNNN

    5

    5

    h

    hN ns whm o}uumcw hbudacno gnswauwnac

    77

    K$Lbowau

    2

    5

    2

    55

    h

    h

    h

    h

    N

    xhN

    LbowauK

    zhmum

    h 4 hbudacno augmu

    Nh 4 hbudacno o}uumcw

    K$Lbowau ns b |bf}m }smg wa gmwmudncm haz d}oh

    hbudacno o}uumcw b wubcslaudmu obc hbcgfm znwha}w

    mxommgncj nws dbxnd}d wmdpmubw}um unsm fm|mf# K$

    lbowau |bf}ms ubcjm luad 2 wa =0

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    7=

    K$Ubwmg Wubc sla u d mus

    Haz D}oh K$Ubwmg Wubcslaudmu N cmmg1

    K$Ubwmg wubcslaudmus bum }smg wa gmbf znwh

    hbudacno jmcmubwncj fabgs# Whm~ ga caw dnwnjbwmhbudacno o}uumcws au |afwbjms# K$ubwmg wubcslaudmus

    bum snymg bppuapunbwmf~ wa hbcgfm whns bggnwnacbf hmbw

    g}m wa hbudacnos

    K$ubwmg wubcslaudmusbum wmswmg nc booaugncj wa NMMM O=:#220$2>8& k$2?& k$2=& k$50& k$70 mwo#

    Whm smfmownac al K$ubwmg wubcslaudmu ns ebsmg ac whm

    obfo}fbwmg |bf}m al K$lbowau# W~pnobff~ b K$2? ubwmg

    wubcslaudmu ns s}llnonmcw lau dasw bppfnobwnacs# Fabgs

    bppuabohncj :=$200- cac$fncmbu s}oh bs \LG sha}fg

    ncoaupaubwm b K$50 ubwmg wubcslaudmu

    7

    $ NMO _w bcg bug sHbudacnos \afwbjm Gnswauwnac Fndnws nc - al \2

    E}s \afwbjm bw

    POO

    Ncgn|ng}bf Hbudacno

    Augmu

    (-.

    Wawbf \afwbjm

    Hbudacnos Gnswausnac

    (-.

    \ k\ ?#0 =#0

    k\ 6\2

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    7>

    O}uumcw Gnswauwnac Fndnws lau Jmcmubf Gnswune}wnac _~swmds

    250\ 6 \ k\

    Ncgn|ng}bf Hbudacno Augmu (Agg Hbudacno.

    N_O!NF 622 226h62: 2:6h65? 5?6h6?= ?=6h -WGG

    650 7#0 5#0 2#= 0#< 0#? =#0

    506=0 :#0 ?#= 5#= 2#0 0#= 8#0

    =06200 20#0 7#= 7#0 2#= 0#: 25#0

    20062000 25#0 =#= =#0 5#0 2#0 2=#0

    32000 2=#0 :#0 _w bcg bug s

    M|mc hbudacnos bum fndnwmg wa 5=- al whm agg hbudacno fndnws bea|mZhmum N_O 4 Dbxnd}d shauw onuo}nw o}uumcw bw POO

    NF 4 Dbxnd}d gmdbcg fabg o}uumcw bw POO

    =0

    Hbud ac nos Umsac bcomPuae fmd

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    Hbud ac nos Umsac bcom

    Puae fmdWhm bppfnobwnac al sh}cw obpbonwau ebcks lau pazmu

    lbowau ndpua|mdmcw obc fmbg wa hbudacno umsacbcom

    oacgnwnac whbw oa}fg ob}sm obpbonwau lbnf}ums& l}sm

    c}nsbcom apmubwnac bcg mr}npdmcw gbdbjm

    =5

    Lu mr} mco~ _obcsLumr}mco~ _obcs (Hbudacno Ndpmgbcom _obcs.9Lumr}mco~ sobes bum }smg wa gmwmudncm zhmumumsacbcw oacgnwnacs mxnsw# Whm~ bum ebsnobff~ bcndpmgbcom |musms lumr}mco~ pfaw al whm smfmowmge}s nc whm cmwzauk

    MG_B Hbudacno Bcbf~sns

    0#00

    8#:7

    2:#7:

    57

    7?#

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    =?

    Bw b jn|mc hbudacno lumr}mco~ nc bc~ pazmu gnswune}wnaccmwzauk zhmum b sh}cw obpbonwau mxnsws& whmum znff em b

    pbubffmf umsacbcom# Pbubffmf umsacbcom ob}sms puaefmds

    acf~ nl b sa}uom al hbudacnos mxnsws bw hbudacno

    umsacbcom# Cmbu umsacbcom obc bfsa em |mu~ gbdbjncj

    bs zmff

    Obpbon w a u Ebck s bcgUmsac bcom Pu ae fmd s

    MG_B Hbudacno Bcbf~sns

    0#0

    ??#7

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    ==

    B|a ng n cj Hb ud ac n os

    Umsacbc om Lu mr} mco~

    Um$faobwm whm puapasmg sh}cw obpbonwau ncswbffbwnac acwa bcawhmu pbuw al whm s~swmd

    \bu~ncj whm k|bu ubwncj al whm sh}cw obpbonwauebck znff bfwmu whm umsacbcw lumr}mco~

    B umbowau obc em oaccmowmg nc smunms znwh

    obpbonwau wa laud w}cmg FO lnfwmu#

    Whmum bum b c}demu al zb~s wa b|ang hbudacno

    umsacbcom zhmc ncswbffncj sh}cw obpbonwaus ebck

    =

    _a f} w nacs Wa Hbud ac nos

    Puae fmd

    Dbnc ob}sm al hbudacnos bum bff |bunbefm lumr}mco~

    gun|ms (\LGs.& }cncwmuu}pwnefm pazmu s}ppfnms (]P_s.&

    sznwoh dagm pazmu s}ppfnms (_DP_s. bcg safng swbwm

    gm|noms ob}sms hbudacnos emob}sm al whm cbw}um al

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    wh

    200- 5&wh

    200-

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    Obfo} fb w nac a l Pbssn| mHbud ac nos Ln f w m u pb ubd m wm us

    Mxbdpfm

    Nw ns gmsnumg wa oac|muw bc mxnswncj

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    Hbud ac n os Bcb f~s ns ]sncj

    MG_B _al w z bu m

    Bppf nob w nac Wa

    W~p n ob f Paz m u G n sw u n e} w n ac Cm wz a uk

    :5

    Hbud ac nos Bcb f~s nsW~pnobf Pazmu Gnswune}wnac CmwzaukJUNG

    :80 k\bu

    N

    ?000 HP

    N

    2=00 HP

    N

    =00 HP

    Y-9 8#:220000 k\B

    Y-9 =#:75000 k\B

    D2D5_h}cw Obpbonwau

    \_G2 \_G5D?

    E}s 7

    E}s2 ?

    ?00K\B ?00K\B

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    :?

    Hbud ac nos Bcb f~s ns

    -WHG4:

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    :=

    E}s WHG

    4444444

    / E}s Cbdm _~s \afw \(2. \(uds. \(pmbk. WHG

    $$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$

    2 0002 22000 22000 22002 2=7

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    ::

    Hbud ac nos Bcb f~s ns

    Gnswauwmg Zb|mlaud bw

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    :>

    XF

    U

    XO

    RO 4 :80 k|bu& XO 4 ==#87 XF 4 0#7

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    82

    \$WHG Bl w m u N cs wb f f ncj w hm = w h : w h

    bcg 22 w h Ln f wm us

    E}s WHG

    4444444

    / E}s Cbdm _~s\afw \(2. \(uds. \(pmbk. WHG

    $$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$$ $$$$$$$

    2 0002 22000 22000 22000 2==0> 0#70-

    5 0005 22000 22000 22000 2==0> 0#70-

    ? 000? : ==: =#2= ?>< = 72= ?>= ?>< =

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    8?

    -WHG42#0>-

    Gnswauwmg Zb|mlaud bw