size of dol star delta starter parts 10-6-13

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    System Voltage 415 Volt

    Phase 3 Phase 3

    Type of Motor 3 Phase Induction

    Motor Size 2 !P 14"#2 2

    Motor $ode %

    Motor &fficiency '(

    Motor )PM 15

    System P"* "'

    %pplication of Motor Motor +oad in !ousehold %pplication

    Place of Over Load Relay In the line ,Putting the o-erload .efore the motor/

    Motor Torque / CurrentMotor )ated Tour0ue ,*ull +oad/ l.ft ,5252!p)PM/

    Motor )ated Tour0ue ,*ull +oad/ #5 m ,#5678)PM/

    Motor Starting Tor0ue 2'5 m

    +oc9 )otor $urrent I+,Min/ 2' %mp

    +oc9 )otor $urrent I+,Ma/ ' %mp

    Motor Starting $urrent 1'2 %mp ,: to *ull +oad $urrent/

    Motor *ull +oad $urrent ,+ine/ 26 %mp

    Motor *ull +oad $urrent ,Phase/ 15 %mp

    Fuse (As er !"C #$%&52'

    onTime ;elay *use ,Ma/ ) %mp ,3 full +oad $urrent / 3

    Time ;elay *use ,Ma/ #5 %mp ,1"5 full +oad $urrent / 2

    C*rcu*t +rea,er (As er !"C #$%&52'

    Instantaneous Trip $ircuit

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    Contactor

    Type of $ontactor AC

    Ma9ing 8

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    S7itching of &lectrical Incandescent +amp %$5. 1"5

    S7itching of Transformer %$:a 12

    S7itching of $apacitor

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    11"2 12"4#

    P 12"5 13"##

    ) 14 15"##

    S 1: 1"##

    T 1' 1#"##

    H 2 22"3#V 22"4

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    System Voltage 415 Volt

    Phase 3 Phase 3

    Type of Motor 3 Phase Induction

    Motor Size 1 !P 1

    Motor $ode %

    Motor &fficiency 1(

    Motor )PM :

    System P"* "'

    %pplication of Motor onInducti-e or Slightly Inducti-e B)esisti-e +oad

    Place of Over Load Relay In the 7indings ,o-erload is placed after the Ainding Split in to main and delta $ontactor/

    Motor -tart*n. / Full Load CurrentMotor )ated Tour0ue ,*ull +oad/ '' l.ft ,5252!p)PM/

    Motor )ated Tour0ue 11# m ,#5678)PM/

    Motor Starting Tor0ue 35: m

    +oc9 )otor $urrent I+,Min/ 14 %mp

    +oc9 )otor $urrent I+,Ma/ 44 %mp

    Motor Starting $urrent 3# %mp ,3 *ull +oad $urrent/

    Motor *ull +oad $urrent ,+ine/ 1$ %mp

    Motor *ull +oad $urrent ,Phase/ %mp

    Fuse (As er !"C #$%&52'

    onTime ;elay *use ,Ma/ $ %mp ,3 full +oad $urrent / 3

    Time ;elay *use ,Ma/ 2$ %mp ,1"5 full +oad $urrent / 2

    C*rcu*t +rea,er (As er !"C #$%&52'

    Instantaneous Trip $ircuit

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    Contactor

    Type of $ontactor AC1

    Ma9ing 8

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    Time ;ela *use onTime ;ela *useSingle Phase 3( 15(

    Synchronous 3( 15(

    Aound )otor 15( 15(

    ;irect $urrent 15( 15(

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    Instantaneous Tri In-erse Time'( 25(

    '( 25(

    '( 15(

    2( 15(

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    ARRA!4"M"!T OF MA! CO!TACTOR A78LAR9 CO!TACTOR

    MA! CO!TACTOR A78LAR9 CO!T"CTOR

    1 !O 1 !C $!O : 1!C 1!O : 1!C

    1 3 5 13 1 3 5 21 13 33 43 21 21 13

    2 4 : 14 2 4 : 22 14 34 44 22 22 14

    !O;1$&1# !C;21&22 !O;1$&1#< $$&$#< #$# !O;1$&1#

    !C;21&22 !C;21&22

    1 !O : 1!C 2 !O : 1!C 2!O : 2!C 1!O : 1!C

    1 3 5 13 21 1 3 5 13 21 43 31 13 21 31 43 43 31

    2 4 : 14 22 2 4 : 14 22 44 32 14 22 32 44 44 32

    !O;1$&1# !O;1$&1#< #$# !O;1$&1#< #$# !O;#$#

    !C;21&22 !C;21&22< $1&$2 !C;21&22< $1&$2 !C;$1&$2

    2 !O : $!C 2 !O : 1!C 2!O : 2!C 2!O : 2!C

    1 3 5 13 21 31 41 53 1 3 5 13 43 53 21 31 53 :1 1 '3 53 :1 1 '3

    2 4 : 14 22 32 42 54 2 4 : 14 44 54 22 32 54 :2 2 '4 54 :2 2 '4

    !O;1$&1#< 5$&5# !O;1$&1#< #$#< 5$&5# !O;5$&5#0 )$&)# !O;5$&5#< )$&)#

    !C;21&22< $1&$2< #1 !C;21&22< $1&$2 !C;61&62< 1&2 !C;61&62< 1&2

    2 !O : 2!C 1!O : $!C

    1 3 5 13 21 31 43 13 21 31 41

    2 4 : 14 22 32 44 14 22 32 42

    !O;1$&1#< #$# !O;1$&1#

    !C;21&22< $1&$2 !C;21&22< $1&$2< #1

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    -7MMAR9 OF CO!TACTORMA! CO!TACTOR; 1&2< $< 5&6

    !+; 9ou can eas*ly *dent*fy =>et>er Contactor *s !O < !C fro aove -uary

    A78LAR9 CO!TACTOR; (!O' ;1$&1#< $$&$#< #$#< 5$&5#< )$&)#

    A78LAR9 CO!TACTOR; (!C' ; 21&22< $1&$2< #1< 61&62< 1&2