(30) size of dol-star delta starter javid sodagar

8/18/2019 (30) Size of DOL-Star Delta Starter Javid Sodagar

1/21

System Voltage 415 Volt

Phase 3 Phase 3

Type of Motor 3 Phase Induction

Motor Size 5 HP 3!3

Motor "ode #Motor $fficiency %&'

Motor (PM !5&

System P) &%

#pplication of Motor Motor *oad in Household #pplication

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

Motor Torque / Current

Motor (ated Tour/ue +)ull *oad.0 35 l-ft +5252Hp

Motor (ated Tour/ue +)ull *oad.0 4! m +5&&678

Motor Starting Tor/ue0 142 m

*oc9 (otor "urrent I*+Min.0 ! #mp

*oc9 (otor "urrent I*+Ma.0 22 #mp

Motor Starting "urrent 0 45 #mp +: to ! )u

Motor )ull *oad "urrent +*ine.0 6 #mp

Motor )ull *oad "urrent +Phase.0 4 #mp

Fuse (As per NC 4!"#$%&

onTime ;elay )use +Ma. ' #mp +3 full *o

Time ;elay )use +Ma. '' #mp +1!5 full

C)rcu)t *rea+er (As per NC 4!"#$%&

Instantaneous Trip "ircuit


2/21

4:

= &3!

25

1 Phase

3 Phase

HP

6>

Single Phase3 Phase Induction

Synchronous

>ound (otor

;irect "urrent

Appl)cat)on Contactor Ma+)n- Cap

onInducti,e or Slightly Inducti,e ?(esisti,e *oad #"1 15

Slip (ing Motor #"2 4

S/uirrel "age Motor #"3 1&

(apid Start 8 Stop #"4 12

S7itching of $lectrical ;ischarge *amp #"5a 3

S7itching of $lectrical Incandescent *amp #"5- 15

S7itching of Transformer #":a 12

S7itching of "apacitor


3/21

D 2: :2

H :3 !&

I !1 !

6 % %

*

M 1& 111

112 124

P 125 13

( 14 15S 1: 1!

T 1% 1

E 2& 223

V 224


4/21

System Voltage

Phase

Type of Motor

5 Motor Size

Motor "odeMotor $fficiency

Motor (PM

System P)

#pplication of Motor

Place of Over Load Relay

Motor ,tart)n- / Full Load Current

(PM. Motor (ated Tour/ue +)ull *oad.

PM. Motor (ated Tour/ue

Motor Starting Tor/ue

*oc9 (otor "urrent I*+Min.0

*oc9 (otor "urrent I*+Ma.0

ll *oad "urrent. Motor Starting "urrent 0

Motor )ull *oad "urrent +*ine.0

Motor )ull *oad "urrent +Phase.0

Fuse (As per NC 4!"#$%&

d "urrent . 3 onTime ;elay )use +Ma.

*oad "urrent . 2 Time ;elay )use +Ma.

C)rcu)t *rea+er (As per NC 4!"#$%&

d "urrent . % Instantaneous Trip "ircuit


5/21

4:

&3!

25

!'4

!'4


6/21


7/21

415 Volt

3 Phase 3

3 Phase Induction

1& HP ! 1&

#1&&'

:&&

&%

onInducti,e or Slightly Inducti,e ?(esisti,e *oad

In the 7indings +o,erload is placed after the >inding Split in to main and delta "ontactor.

%% l-ft +5252Hp(PM.

11 m +5&&678(PM.

35: m

14 #mp

44 #mp

3 #mp +3 )ull *oad "urrent.

'! #mp

. #mp

! #mp +3 full *oad "urrent .

%! #mp +1!5 full *oad "urrent .

'"4 #mp +% full *oad "urrent .

!% #mp +25 full *oad "urrent .

$ #mp

#mp

8 #mp

AC'

' #mp

8 #mp +Start?Transition?(unning.

8 #mp +(unning.

4 #mp +Start.

!"0s

2)-nes3par0ar 555electr)calnotes5ordpressco0 )-u

+18√3 )ull *oad "urrent.

+18√3 )ull *oad "urrent.

+183 )ull *oad "urrent.

TA STARTER

http://www.electricalnotes.wordpress.com/http://www.electricalnotes.wordpress.com/


8/21


9/21


10/21

&

3

2

%

3


11/21


12/21


13/21

Single Phase

Synchronous

>ound (otor

;irect "urrent


14/21


15/21


16/21

me e a use on me e a use nstantaneous r n,erse me3&&' 1!5' %&&' 25&'3&&' 1!5' %&&' 25&'3&&' 1!5' %&&' 25&'

15&' 15&' %&&' 15&'

15&' 15&' 2&&' 15&'


17/21


18/21


19/21

ARRANGEMENT OF MAIN CONTACTOR

MA9N CONTACTOR

' NO ' NC

1 3 5 13 1 3 5 21

2 4 : 14 2 4 : 22

NO:'!#'4 NC:%'#%%

' NO ; 'NC % NO ; 'NC

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

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

NO:'!#'4 NO:'!#'4< 4!#44

NC:%'#%% NC:%'#%%< !'#!%

% NO ; !NC % NO ; 'NC

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

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

NO:'!#'4< $!#$4 NO:'!#'4< 4!#44< $!#$4

NC:%'#%%< !'#!%< 4'#4% NC:%'#%%< !'#!%

% NO ; %NC

1 3 5 13 21 31 43

2 4 : 14 22 32 44

NO:'!#'4< 4!#44

NC:%'#%%< !'#!%


20/21

& AUXILIARY CONTACTOR

A=>9L9AR? CONTCTOR

!NO ; 'NC 'NO ; 'NC

13 33 43 21 21 13

14 34 44 22 22 14

NO:'!#'4< !!#!4< 4!#44 NO:'!#'4

NC:%'#%% NC:%'#%%

%NO ; %NC 'NO ; 'NC

13 21 31 43 43 31

14 22 32 44 44 32

NO:'!#'4< 4!#44 NO:4!#44

NC:%'#%%< !'#!% NC:!'#!%

%NO ; %NC %NO ; %NC

53 :1 !1 %3 53 :1 !1 %3

54 :2 !2 %4 54 :2 !2 %4

NO:$!#$4 8!#84 NO:$!#$4< 8!#84

NC:6'#6%< .'#.% NC:6'#6%< .'#.%

'NO ; !NC

13 21 31 41

14 22 32 42

NO:'!#'4

NC:%'#%%< !'#!%< 4'#4%


21/21

,=MMAR? OF CONTACTORMA9N CONTACTOR: '#%< !#4< $#6

N*: ?ou can eas)ly )dent)fy @3et3er Contactor )s NO < NC fro0 aove ,u00ary

A=>9LAR? CONTACTOR: (NO& : '!#'4< !!#!4< 4!#44< $!#$4< 8!#84

A=>9LAR? CONTACTOR: (NC& : %'#%%< !'#!%< 4'#4%< 6'#6%< .'#.%

(30) size of dol-star delta starter javid sodagar

Documents