Starting Methods of 1-Phase & 3-Phase IMs - 100255K

7/30/2019 Starting Methods of 1-Phase & 3-Phase IMs - 100255K

1/14

GG :43: Hdjlzdplzs Yzdkpckg CQ

[PDZPCBN OGPFL@[ LA

4/YFD[G DB@ ;/YFD[G

CB@WKPCLB OLPLZ[

Bdog

Cb`gv Bl"

Acgh`Nzlwy

@dpg la Ygzalzodbkg

@dpg la [wjoc{{clb

= ^"O"K"B"["Eczcb`g

= 499:77E

= Ghgkpzckdh Gbncbggzcbn= N1

= :94:,44,:9

= :94:,4:,90

Cb{pzwkpg` js = Ed{wb Ygczc{


2/14

[fd`g` Ylhg Cb`wkpclb Olplz{

lj{gzqg` zlplz {ygg` la pfg olplz = 4;0: zyo

ncqcbn d odbwdh plztwg ~cpflwp d {pdzpcbn ogpfl`

lj{gzqg` {ygg`{ la pfg olplz(

dbpc/khlke~c{g = :09"7 zyo

khlke~c{g = :;>"9 zyo

Kdydkcplz Cb`wkpclb Olplz{

Pfg jgfdqclz la pfg odvcowo qlhpdng bgkg{{dzs pl pwzb pfg olplz ~cpflwp {ygg`cbn wy

db` pfg kwzzgbp cb pfg ~cb`cbn [ ~cpf kdydkcplz qdhwg{

Kdydkcpdbkg &A# Odvcowo Qlhpdng &Q# [pdzpcbn Kwzzgbp &D#

: ;6 9"9;9

7 :4 9"9;:

1"; :; 9"9;6

> :1 9"9;3

3 :7 9"9;1

49"; :> 9"9;>

4:"; :> 9"9;1

Zwbbcbn cb`cbn( H ? 4"1 F Z ? :;9";

[pdzpcbn ^cb`cbn( H ? 4"60; F Z ? ;3>"0

LJ[GZQDPCLB [FGGP

YZDKPCKDH

BDOG

CB@GV BL"

ACGH@

NZLWY

@DPG LA YGZALZODBKG

@DPG LA [WJOC[[CLB

CB[PZWKPG@ JS

= [pdzpcbn ogpfl`{ la 4/yfd{g ! ;/yfd{g CO{

= ^"O"K"B"["Eczcb`g

= 499:77E= Ghgkpzckdh Gbncbggzcbn

= N1

= :94:,44,:9

= :94:,4:,90

= Ed{wb Ygczc{


3/14

KDHKWHDPCLB[

4" Yhlp pfg ocbcowo qlhpdng Q lj{gzqg` dndcb{p kdydkcpdbkg"{gg Nzdyf 4

:" Kdhkwhdpg pfg {hcy la pfg {fd`g` ylhg olplz"bwojgz la ylhg ydcz{ y( y ? 0,: ? :

zlplz {ygg` Bz( Bz ? 4;0: zyo &{fd`g` pl wb{fd`g`#

{pdplz azgtwgbks a ? 79F}

[sbkfzlblw{ {ygg` B{ ? 19a , y

? &19-79#,:

? 4799 zyo

[hcy {( { ? &B{ / Bz# , B{

{ ? &4799 / 4;0:# , 4799

{ ? 9"497;

[hcy la pfg {fd`g` ylhg olplz ? 9"497;

;" W{cbn pfg ncqgb D"K" zg{c{pdbkg db` cb`wkpdbkg qdhwg{ la {pdzpcbn db` zwbbcbn ~cb`cbnkdhkwhdpg pfg yfd{g `caagzgbkg cb pfg kwzzgbp{ ahl~cbn cb pfg p~l ~cb`cbn{ ~fgb pfgs dzg

klbbgkpg` cb ydzdhhgh" ^fdp c{ pfg qdhwg la pfg kdydkcplz pfdp {flwh` jg klbbgkpg` cb {gzcg{

~cpf [ ~cb`cbn pl odeg p~l kwzzgbp{ 39`gnzgg{ lwp la yfd{g" Kloydzg pfg{g qdhwg{ ~cpf pfg

ocbcowo qdhwg la kdydkcpdbkg ljpdcbg` azlo pfg nzdyf cb &4#

Zwbbcbn cb`cbn( H ? 4"1 F Z ? :;9";

[pdzpcbn ^cb`cbn( H ? 4"60; F Z ? ;3>"0


4/14

Kdydkcpdbkg &A# Odvcowo Qlhpdng &Q#

: ;6

7 :4

1"; :;

> :1

3 :7

49"; :>

4:"; :>

Pdjhg 4 = Ocbcowo Qlhpdng q{" Kdydkcpdbkg


5/14

Odvcowo Qlhpdng pl zwb pfg olplz ~cpflwp {ygg`cbn wy q{" Kdydkcpdbkg

Nzdyf 4 = Ocbcowo Qlhpdng q{" Kdydkcpdbkg


6/14

Kdydkcpdbkg &A# [pdzpcbn Kwzzgbp &D#

: 9"9;9

7 9"9;:

1"; 9"9;6

> 9"9;3

3 9"9;1

49"; 9"9;>

4:"; 9"9;1

Pdjhg := [pdzpcbn Kwzzgbp q{" Kdydkcpdbkg


7/14

[pdzpcbn Kwzzgbp q{" Kdydkcpdbkg

@C[KW[[CLB


8/14

4" Gvyhdcb ~fs pfg {fd`g` ylhg olplz zlpdpg{ azlo wb{fd`g` ylzpclb pl pfg {fd`g`ylzpclb

Pfg {fd`g` ylhg cb`wkpclb olplz c{ dblpfgz 4/yfd{g olplz" Pfg {ygkcdhps c{ cp w{g{ d

wbctwg ogpfl` pl {pdzp pfg zlplz pwzbcbn" Klb{pzwkpcbn pfg {pdplz cb d {ygkcdh ~ds c{ w{g` pl

yzl`wkg pfg gaagkp la d olqcbn odnbgpck acgh` cb pfg{g olplz{" Pfgzg dzg yzlmgkpcbn ylhg

ycgkg{ hceg {log lpfgz @K olplz{" Ylzpclb{ la pfg ylhg ycgkg{ dzg {fd`g` &c"g" {wzzlwb`g` js

d klyygz {pzdy#"

^fgb pfg odnbgpck ahwv c{ cbkzgd{cbn( db Ghgkpzlolpcqg Alzkg c{ cb`wkg` cb pfg Klyygz

jdb` la pfg {fd`g` ylhg `wg pl pfg kfdbng la pfg odnbgpck ahwv" Pfc{ cb`wkg` GOA zg{whp{ d

kwzzgbp ahl~ cb pfg Klyygz jdb`" Db lyyl{cbn ahwv c{ ngbgzdpg` `wg pl pfc{ kwzzgbp dkklz`cbnpl pfg Hgb} hd~" Pfg ahwv klbkgbpzdpclb cb pfg wb{fd`g` ylzpclb c{ owkf fcnfgz pfdb pfg ahwv

klbkgbpzdpclb cb pfg {fd`g` ylzpclb jgkdw{g la pfg lyyl{cbn ahwv d{ cb Acnwzg :"

D{ {llb d{ pfg qlhpdng zgdkfg{ pl cp{ odvcowo( pfg odnbgpck ahwv ~chh zgodcb d klb{pdbp"

Fgbkg( pfgzg ~chh jg bl cb`wkg` Ghgkpzlolpcqg alzkg" [l( pfg ahwv klbkgbpzdpclb cb jlpf pfg

ylzpclb{ c{ pfg {dog ~fckf c{ chhw{pzdpg` cb pfg Acnwzg :"

Acnwzg : = Zcbn{ cb {fd`g`/ylhg olplz

Acnwzg ; = Pfg acz{p fdha la pfg {fd`g`/ylhg lygzdpclb cb DK CO{


9/14

^fgb pfg qlhpdng c{ `gkzgd{cbn( `wg pl pfg ahwv `gkzgogbp( db Ghgkpzlolpcqg Alzkg c{

cb`wkg` cb pfg lyyl{cpg `czgkpclb db` pfg ahwv c{ cb`wkg` cb pfg Klyygz jdb` la pfg {fd`g`

ylhg cb pfg {dog `czgkpclb" Pfg ahwv klbkgbpzdpclb la pfg {fd`g` ylzpclb c{ owkf fcnfgz pfdb

pfdp la wb{fd`g` ylzpclb"

Pfg{g {kgbdzcl{ kdw{g pfg zg{whpdbp ahwv pl jg kfdbng` dh~ds{ azlo pfg wb{fd`g` ylzpclb

pl pfg {fd`g` ylzpclb" Pfc{ klbkhw`g{ pfdp pfg `czgkpclb la pfg {fd`g` ylhg cb`wkpclb olplz c{

dh~ds{ azlo pfg wb{fd`g` ylzpclb pl pfg {fd`g` ylzpclb gqgb pflwnf pfg `czgkpclb la pfg

{wyyhs c{ kfdbng`"

:" Gvyhdcb pfg klb{pzwkpclb db` ~lzecbn yzcbkcyhg la pfg @"L"H" {pdzpgz" @zd~ pfgkczkwcp `cdnzdo

Pfg @"L"H" {pdzpgz lz pfg @czgkp Lb Hcbg {pdzpgz c{ pfg {coyhg{p jwp pfg ol{p gvygb{cqg

alzo la {pdzpcbn ogpfl` alz db cb`wkpclb olplz" Pfc{ psyg la {pdzpgz{ klb{c{p d OKKJ lz

Kczkwcp Jzgdegz( Klbpdkplz db` db lqgzhld` zghds alz yzlpgkpclb"

Acnwzg 0 = Pfg {gklb` fdha la pfg {fd`g`/ylhg lygzdpclb cb DK CO{

Acnwzg 7 = Kczkwcp @cdnzdo la @"L"H" {pdzpgz


10/14

Cb pfc{ psyg( pl {pdzp pfg klbpdkp{ la pfg olplz dzg klbbgkpg` `czgkphs pl pfg {wyyhs qlhpdng"

Pfg {pdzpcbn cbzw{f kwzzgbp c{ qgzs hdzng( 1 pl 6 pcog{ la pfg zdpg` kwzzgbp cb pfg nzl{{ alz d

{flzp pcog" W{wdhhs( pfg @"L"H" {pdzpgz c{ lbhs w{g` alz olplz{ ~cpf pfg zdpcbn la hg{{ pfdb 7

e^( pl dqlc` gvkg{{cqg qlhpdng `zly{ cb pfg {wyyhs hcbg jgkdw{g la pfg fcnf {pdzpcbn kwzzgbp{"

Pfg olplz ~chh `gqghly Hlkeg` Zlplz Plztwg db` jgncb pl dkkghgzdpg pl~dz`{ awhh {ygg`"

[pdzpcbn la pfg @"L"H" {pdzpgz fd{ d odvcowo {pdzpcbn kwzzgbp db` odvcowo {pdzpcbn

plztwg" Cp c{ qgzs hceghs pl kdw{g db ghgkpzckdh yzljhgo ~cpf pfg {wyyhs lz d ogkfdbckdh

yzljhgo ~cpf pfg `zcqgb hld`" [l cphh jg qgzs cbklbqgbcgbp alz pfg w{gz{ la pfg {wyyhs hcbg

`wg pl pfg qlhpdng `zly{ ~fgb {pdzpcbn d olplz ca cp{ d klb{c`gzdjhs fcnf yl~gz lbg"

;" Ca pfgzg dzg dbs {flzpklocbn{ la pfg @"L"H" {pdzpgz( ~fdp dzg pfl{g


11/14

Pfc{ c{ lbg la pfg {coyhg{p pfzgg yfd{g cb`wkpclb olplz {pdzpcbn ogpfl`{" Pfdp c{ jgkdw{g

pfg gd{g cb klbacnwzdpclb" Pfc{ psyg c{ w{g` w{wdhhs ~fgb pfg {pdplz ~cb`cbn la pfg cb`wkpclb

olplz c{ blocbdhhs `ghpd klbbgkpg`" Cb pfc{ ogpfl`( pfg {pdzpcbn la pfg cb`wkpclb olplz c{

`lbg js acz{p klbbgkpcbn pfg {pdplz ~cb`cbn cb {pdz klbacnwzdpclb db` pfgb dapgz pfg olplz

zgdkfg{ d kgzpdcb {ygg`( pfg ~cb`cbn klbacnwzdpclb c{ kfdbng` azlo {pdz pl `ghpd w{cbn d

PY@P {~cpkf" Cb pfg {pdz klbacnwzdpclb( pfg qlhpdng ygz yfd{g {wyyhcg` pl pfg ~cb`cbn{ c{zg`wkg` js d adkplz la 4," Jlpf pfg {pdzpcbn kwzzgbp db` pfg {pdzpcbn plztwg zg`wkg` pl 4,;

la pfg zg{ygkpcqg ydzdogpgz{ cb @"L"H" kd{g" [pdz/`ghpd psyg c{ w{g` ~fgb d {odhh {pdzpcbn

plztwg c{ bgg`g` jgkdw{g ~fgb pfg {pdzpcbn plztwg la pfg hld` c{ fcnfgz( pfg olplz kdb jg

{pdhhg`" Cb d``cpclb pfc{ psyg kdb jg w{g` alz fcnf yl~gz olplz{ pll"

Dwpl pzdb{alzogz {pdzpgz=

Dwpl/pzdb{alzogz {pdzpcbn ogpfl` c{ dblpfgz ogpfl` w{g` pl {pdzp d pfzgg yfd{g cb`wkpclb

olplz" Cp pdeg{ pfg cbywp azlo pfg {wyyhs db` pfg lwpywp c{ ag` pl pfg {pdplz d{ chhw{pzdpg` cb

pfg Acnwzg 1" Pflwnf pfc{ ogpfl` c{ d jcp {cochdz pl pfg {pdz/`ghpd {pdzpcbn ogpfl`( dwpl/

pzdb{alzogz ogpfl` c{ olzg ahgvcjhg jgkdw{g pfg {pdzpcbn qlhpdng kdb jg klbpzlhhg` pl dbs

`g{czg` qdhwg js pfg pzdb{alzogz ~cb`cbn zdpcl dkklz`cbn pl pfg `g{cnb {ygkcackdpclb{" Fgbkg(

pfg {pdzpcbn kwzzgbp db` pfg {pdzpcbn plztwg kdb jg d`mw{pg` pl yzgagzzg` qdhwg{" Pfc{ c{ olzg

{wcpdjhg alz fcnf gb` gtwcyogbp d{ pfc{ ogpfl` c{ olzg gvygb{cqg pfdb pfg {pdz/`ghpd {pdzpcbn

ogpfl`"

Acnwzg > = Dwpl/pzdb{alzogz {pdzpgz


12/14

7" ^fdp dzg pfg d`qdbpdng{ la zlplz zg{c{pdbkg {pdzpcbn ogpfl` alz ~lwb` zlplzcb`wkpclb olplz kloylwb` ~cpf pfg lpfgz dhpgzbdpcqg{


13/14

>" @c{kw{{ pfg d`qdbpdng{ db` `c{d`qdbpdng{ la pfg pfzgg psyg{ la {cbnhg yfd{g cb`wkpclbolplz{ slw fdqg {pw`cg`"

4" [yhcp yfd{g cb`wkpclb olplz{

Pfc{ c{ hg{{ gvygb{cqg `wg pl pfg {coyhg `g{cnb kloydzg` pl pfg lpfgz psyg{" Pfg{g dzg

{wcpdjhg olzg alz dyyhckdpclb{ ~cpf hlbn zwbbcbn pcog{"

Gaackcgbks c{ kloydzdpcqghs hl~ cb pfg{g cb`wkpclb olplz{ db` pfg{g fdqg hcocpg`

ygzalzodbkg pll" @wg pl pfg hl~ {pdzpcbn plztwg pfg dyyhckdpclb{ la pfc{ psyg c{ qgzs hcocpg`"

Cb fcnf kskhg zdpg db` fcnf plztwg dyyhckdpclb{ pfg{g dzg qwhbgzdjhg" Pfg{g dzg dh{l qgzs

`caackwhp pl jg odcbpdcbcbn cb d`qgz{g pfgzodh klb`cpclb{"

:" Kdydkcplz cb`wkpclb olplz{

Pfc{ psyg c{ `g{cnbg` alz hl~gz awhh/hld` kwzzgbp{" Fcnf {pdzpcbn plztwg cb pfg{g olplz{

cb zgpwzb kdw{g{ d fcnf gaackcgbks" Pfg{g dzg qgzs {wcpdjhg alz fcnf plztwg dyyhckdpclb{" ^fgb

pfg olplz c{ zwbbcbn( pfg fgdpcbn c{ qgzs hl~ cb pfc{ psyg"

Jgkdw{g la pfg kdydkcplz{ db` pfg {pdzpcbn {~cpkfg{( pfg{g dzg qgzs gvygb{cqg"

;" [fd`g` ylhg cb`wkpclb olplz{

Pfg{g dzg zgdhhs {wcpdjhg alz hcnfp `wps dyyhckdpclb{ ~fckf zgtwczg hl~ yl~gz" Fgbkg(

pfg{g dzg qgzs ylywhdz cb owhpc/{ygg` adb{ alz flw{gflh` w{dng"

Jgkdw{g la pfg hl~ {pdzpcbn plztwg( cp c{ qgzs cbgaackcgbp pl w{g pfc{ psyg la olplz{"

Pfg{g dzg w{wdhhs coyzdkpckdh cb cb`w{pzcdh w{dng ~fckf zgtwczg fcnfgz kskhg zdpg{ lz

klbpcbwlw{ wps"


14/14

ZGAGZGBKG[

fppy=,,~~~"pywj"klo,bggp{,jlle7,46g"fpo fppy=,,~~~"hgdzb/djlwp/ghgkpzlbck{"klo,{fd`g`/ylhg"fpoh fppy=,,~~~"ghgkpzckolplz{"odkfcbg`g{cnb"klo,nwcG`cp{,Klbpgbp,j`ggg44,j`ggg44\>"d{yv fppy=,,ghgkpzckdhblpg{"~lz`yzg{{"klo,:94:,9;,4;,`czgkp/lb/hcbg/{pdzpgz,
http://www.tpub.com/neets/book5/18e.htmhttp://www.tpub.com/neets/book5/18e.htmhttp://www.learn-about-electronics.com/shaded-pole.htmlhttp://www.learn-about-electronics.com/shaded-pole.htmlhttp://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee11/bdeee11_7.aspxhttp://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee11/bdeee11_7.aspxhttp://electricalnotes.wordpress.com/2012/03/13/direct-on-line-starter/http://electricalnotes.wordpress.com/2012/03/13/direct-on-line-starter/http://electricalnotes.wordpress.com/2012/03/13/direct-on-line-starter/http://www.electricmotors.machinedesign.com/guiEdits/Content/bdeee11/bdeee11_7.aspxhttp://www.learn-about-electronics.com/shaded-pole.htmlhttp://www.tpub.com/neets/book5/18e.htm

Starting Methods of 1-Phase & 3-Phase IMs - 100255K

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