forward reverse y delta
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The Philippine Electronics and Technology Forum | Electronics Design - Electronics Repair > Analog and Mixed Signal > Electrical Engineering Board > Forward-Reverse Wye-Delta Motor Control Circuit...
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AuthorTopic: Forward-Reverse Wye-Delta Motor Control Circuit... (Read 2986 times)
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #40 on: September 11, 2009, 06:03:31 PM »
All of them has the same capacity for both magnetic contactor, should be in one the same rating for forward, reverse and delta (ampere rating for each contactor that i mention). and all line side are in the top of each contactor in forward, reverse and delta should be the same and all load side are in below of four magnetic contactor in forward, reverse, delta and wye. (Philippine Electrical Code).
Can you draw the schematic diagram to share in other electrical practitioners..
fherdzpowerhaus
Quote from: alaktrician on September 11, 2009, 07:32:52 AMpwede rin dalawang contactor lang....+ isang 3PDT na switch for the reversal.
or ito below para sa 4 na contactor mas malinaw na drawing madaling masusundan yan ng electrician.
BTW un title ang tanong control circuit pero sa body ng post ang tanong power/motor circuit. need pa ba control circuit?
cheers.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #40 on: September 11, 2009, 06:03:31 PM »
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #41 on: September 11, 2009, 06:12:21 PM »
(Philippine Electrical Code) should be use four magnetic contactor in Forward-Reverse Wye-Delta connection... This is the design to use in Manufacturing Company are almost the same in other country.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #42 on: September 11, 2009, 06:16:10 PM »
Crusher Machine has an optional sequence to use Forward rotation and Reverse rotation... 60hp or larger than these motor are using gear box to reduce the speed, any induction motor more than 60hp or above to used in crusher machine
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with gear box to reduce the speed.for example in marble plant are using this sequence reversible rotation design (forward-reverse wye-delta connection)
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #43 on: September 11, 2009, 06:19:16 PM »
VFD are very expensive compare to four magnetic contactor,..(forward-reverse wye-delta connection)
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #44 on: September 12, 2009, 12:07:52 AM »
@ Coolet
Importante pala yong sinabi nyo na hindi dapat rekta yong L3, delikado nga pala madale ng time lag during change-over.
Ito binago ko para sa iyo....
Heaven is full of energetic, not of the talented.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #45 on: September 12, 2009, 02:04:31 AM »
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Quote from: <')XXx< on September 12, 2009, 12:07:52 AM@ Coolet
Importante pala yong sinabi nyo na hindi dapat rekta yong L3, delikado nga pala madale ng time lag during change-over.
Ito binago ko para sa iyo....
safety first diba sister... ang coolet ba?
gawan ko sana ng control circuit kaso baka tumaas pa presyo he he he
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #46 on: September 12, 2009, 09:19:52 PM »
Quote from: c0♂Lët on September 12, 2009, 02:04:31 AMsafety first diba sister... ang coolet ba?
gawan ko sana ng control circuit kaso baka tumaas pa presyo he he he
gawan nyo sis...pang past time lang
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #47 on: September 13, 2009, 01:23:42 AM »
Quote from: fherdzpowerhaus on September 11, 2009, 06:03:31 PMAll of them has the same capacity for both magnetic contactor, should be in one the same rating for forward, reverse and delta (ampere rating for each contactor that i mention). and all line side are in the top of each contactor in forward, reverse and delta should be the same and all load side are in below of four magnetic contactor in
Posts: 25forward, reverse, delta and wye. (Philippine Electrical Code).
Can you draw the schematic diagram to share in other electrical practitioners..
konting revision na lang from my 1st drawing for ur new rquirement na dapat pareho size ng 3 contacotr to minimum size possible. analyze it makukuha mo rin yan. magkano ba contrata nyan? ibigay ko sau drawing kung di mo pa nakuha..ang LAGAY ba naman ehh..ganun ganun na lang?? heheh joke.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #48 on: September 13, 2009, 03:13:53 AM »
^ sa tingin ko sister foreigner yang nagpapagawa sa iyo ....
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #49 on: September 15, 2009, 08:32:03 AM »
Quote from: alaktrician on September 11, 2009, 07:46:00 AMsimple lang nmn yata application nayan, kelangan lang stop ang motor before reversing para controlled un starting torque during reversal, kasi kung hindi baka may trippings. pede nga din isa lang contactor nyan.. but
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then use VFD with it mas madali may option un forward reverse and it will take care of your motor starting better than wye delta.
To stop the wye-delta motor during rotations, you need a clutch break (electromagnetic break) and the connection are direct to normally close of forward/reversemagnetic contactor, clucth break are recommended not the timer itself or delay contact is not applicable, depends of the size of induction motor or the capacity (torque) in full load. the function of this electromagnetic break are in operation during to stop the wye-deltainduction motor ,the safetiest device to connect in the rear side of single shaft or at the back of pulley,everytime you start the motor the break are release because this is connected in normally close of forward/reverse contactor for example one line in forward contactor and the other line in the reverse contactor normally close, To activate the wye-delta motor (to start again) the clutch break or electromagnetic break are open and if you stop theinduction motor the clutch break or electromagnetic break are activate,that's all.. timers are not allowed to sequence in stop position because of some delay in emergency situations.
any suggestions?...by the way thank you to all of your comments, suggestions and analysis...this is a very nice topic to share in other electrical practioners,if you want to share some illustration of schematic diagram please send it here or in my E-mail:
more power to all members...[/b]
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #50 on: September 15, 2009, 12:22:11 PM »
@Fherdz What do you mean by a clutch brake in the shafting, is it more like a car disc brake but electromagnetic activated ?!
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #51 on: September 15, 2009, 02:03:22 PM »
brake lang ang kailangan wala ng clutch. walang pinagkaiba sa motorized hoist.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #52 on: September 15, 2009, 07:27:35 PM »
Quote from: c0♂Lët on September 15, 2009, 02:03:22 PMbrake lang ang kailangan wala ng clutch. walang pinagkaiba sa motorized hoist.
hehehehehehehe
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #53 on: September 15, 2009, 11:09:09 PM »
^
Quote from: <')XXx< on September 15, 2009, 12:22:11 PM@Fherdz What do you mean by a clutch brake in the shafting, is it more like a car disc brake but electromagnetic activated ?!
ganito yon sis nakakabit sa shafting ng motor tapos yung body nakakabit sa body ng motor... pag me kasamang clutch ang brake then continues run ang motor... saka lang aandar ang load pag na-energize ang clutch. bale electromagnetic nga yan sis.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #54 on: September 16, 2009, 09:32:47 PM »
thanks c0♂Lët! ganyan pala yan....
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #55 on: September 21, 2009, 01:34:34 PM »
Quote from: <')XXx< on September 16, 2009, 09:32:47 PMthanks c0♂Lët! ganyan pala yan....This is the exactly what i said before, the real figure of clutch brake (electro-magnetic brake) by the way, thank you cOoLet...so now we have a complete detail for this motor control of Forward-Reverse Wye-Delta connection and the safety to Stop the Rotation of this unit either clockwise or counter-clockwise, As additional there is a only one timer for sequence in Wye-Delta operation in this motor control,take note: only one timer... the given four magnetic contactor and push button switch for stop and start, this switch is momentary contact if ever the voltage is fluctuation or under voltage protection is arise the motor control will be stop or de-energized the circuit for protection just in case the power failure will be automatic energized by electric power,the under voltage release is the maintaining contact that not recommended in this wye-delta operation because some problem in operation or accident in the machine especially for those operator and maintenance, this switch is maintaining contact like selector or snap switch direct line in the circuit different in the other one momentary contact push button switch in case.
if you want additional pilot light for operation, the motor control design is recommended to use red colour for STOP, green colour for Operation and orange for sequence in Wye connection into Delta connection, phase voltage is also acceptable in operation for this motor control as auxilliary, Voltmeter, Currentmeter and most especially the overload relay for safety in your induction motor more than a million price together with gearbox in the single shaft of your unit, that's all...
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #56 on: September 21, 2009, 01:41:11 PM »
Do you have any idea for schematic diagram for the operation of Forward-Reverse Wye-Delta motor control circuit...the power diagram is also there now but the motor control are not yet, to all Electrical Practitioner analyst the schematic diagram of this logic control sequence Forward-Reverse Wye-Delta motor control circuit.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #57 on: September 21, 2009, 02:05:02 PM »
^ The block diagram of the controls first then the schematics.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #58 on: September 21, 2009, 02:47:11 PM »
gusto ko bumili nang ac servo motor wye delta din. 200volts. then interface ko sa pic. balak ko gumawa nang servo amplifier ko. trip trip lang. yung diagram sa taas ganun din ba gagagawin ko with the h-bridges?
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The Philippine Electronics and Technology Forum | Electronics Design - Electronics Repair > Analog and Mixed Signal > Electrical Engineering Board > Forward-Reverse Wye-Delta Motor Control Circuit...
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AuthorTopic: Forward-Reverse Wye-Delta Motor Control Circuit... (Read 2986 times)
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fherdzpowerhaus
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Forward-Reverse Wye-Delta Motor Control Circuit... « on: September 07, 2009, 03:42:02 PM »
using four magnetic contactor for forward, reverse, delta and wye control, the unit is 60hp 440volts 60hz 1800rpm induction motor wye delta connection.
to all electrical practitioners please analyst this connection
line-1 (U-Z), line-2 (V-X), line-3 (W-Y) forward rotation
line-1 (U-Y), line-2 (V-Z), line-3 (W-X) reverse rotation
(U-X) winding one(V-Y) winding two(W-Z) winding three
could be possible this to use in the circuit? please send me your answers, suggestion, comment or illustration to me,attach file in my E-mail: [email protected]
this induction motor to use for mixer and crushing machines or (heavy equipment)machine.
thank you and more power to all members...
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Forward-Reverse Wye-Delta Motor Control Circuit... « on: September 07, 2009, 03:42:02 PM »
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rudy Re: Forward-Reverse Wye-Delta Motor Control Circuit...
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« Reply #1 on: September 08, 2009, 06:24:33 PM »
IMHO change only the 2 lines to reverse the rotation
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #2 on: September 08, 2009, 07:52:23 PM »
this is forward-reverse wye-delta control not forward-reverse only including wye-delta connection thats why four magnetic contactor are together in sequence..are you familiar in this control?
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #3 on: September 08, 2009, 08:58:36 PM »
Quoteline-1 (U-Z), line-2 (V-X), line-3 (W-Y)
line-1 (U-Y), line-2 (V-Z), line-3 (W-X)
afaik, the two configurations (both are delta) would result in the same direction of rotation
if you draw the delta wiring of the first configuration ... to arrive at the second configuration, you swap windings V-Y and W-Z, and then swap L2 and L3 ...
effectively a double swapping of lines
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #4 on: September 08, 2009, 09:50:42 PM »
it is usually done like this....
for wye to delta switching....
for terminal switching and rotation reversal....
T's are terminal to be switched for delta to wye conversion (the curve lines are the motor windings), only two lines are swapped for reversal ofrotation.
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #5 on: September 08, 2009, 10:10:34 PM »
(U-X) winding one(V-Y) winding two(W-Z) winding three
Eto, Operation is forward reverse with wye delta starting method.
In forward rotation ganito ang connection:
@wye
L1 : UL2 : VL3 : W
XYZ : Tie together
Then after the set time on wye delta. the connection would be,
Forward Delta
L1 : U & ZL2 : V & XL3 : W & Y
This one is in reverse rotation same starting method:
@wye
L1 : VL2 : WL3 : U
XYZ : Tie together
Then at Delta connection
L1 : V & XL2 : W & Y
L3 : U & Z
Ang alam ko pag ganitong crushing ang method eh meron pang sequence ang motor na ireverse nya automatic yung motor rotation pag maraming load na nakain yung crusher or pag di nya kayang icrush yung mga items. Then after ilang second eh mag forward ulit angrotation to crush the items again. Operation repeat hanggang ma pulbos na yung item. Ang gamit nilang sensor eh current ct. Pag nag over current eh tiaka lang mag activate yungreverse rotation the mag start yung timer to forward the rotation...
BR
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #6 on: September 08, 2009, 10:23:26 PM »
BTW,
I think kaya ng apat na contactor yung requirement mo na reverse forward with wye delta starting. Antok na kasi ako kaya tinatamad na akong mag drawing dine.... Pagod sa work...
Isang contactor sa forward, isa sa reverse, at isa sa wye and delta. lagyan mo ng electrical and mechanical interlok yung forward and reverse contactor, Tapos mas ok kung meron din yung wye delta contactor for more safety. Sobra laki ng motor kaya dapat maraming safety installed sa magiging design. Yun laang muna... Tutulog muna ako...
BR
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #7 on: September 08, 2009, 10:29:13 PM »
Yong Delta to Wye bro, kaylan nya ito dapat e engage sa crushing operation?
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #11 on: September 09, 2009, 02:35:41 PM »
Using four magnetic contactor for forward, reverse, delta and wye control, the unit is 60hp 440volts 60 Hz 1800rpm induction motor wye delta connection.
to all electrical practitioners please analyst this connection
line-1 (U-Z), line-2 (V-X), line-3 (W-Y) forward rotation
line-1 (U-Y), line-2 (V-Z), line-3 (W-X) reverse rotation
(U-X) winding one(V-Y) winding two(W-Z) winding three
could be possible this to use in the circuit? Please send me your answers, suggestion, comment or illustration to me, attach file in my E-mail: [email protected]
this induction motor to use for mixer and crushing machines or (heavy equipment) machine.
Thank you and more power to all members...
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #12 on: September 09, 2009, 09:22:50 PM »
Quote from: fherdzpowerhaus on September 09, 2009, 12:56:15 PMIn Philippine Electrical Code the real answers are using four magnetic contactor to forward-reverse wye-delta motor control circuit, that means are reversable rotation of induction motor (clockwise and counter- clockwise) 10hp and above could be use the motor sequence in reversable rotation in this option, so four magnetic contactor are adviseable.Each control are assign for this in Forward, Reverse, Wye and Delta...
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this is not to save in highly maintenance or savings your money to provide each control because this is mandatory to use the four magnetic contactor in this motor control circuit...
Now, in this sequence the only problem is how will you tap the wiring in permanent connection, maybe all of you have answers for this and analysis about this wiring diagram and all of you are showing your optional answers that maybe correct or not but my question is, did you test this in experimental connection in your own opinion, have you experience this motor control in your work in industrial field, did you have encounter this in trouble shooting or installation in your company during your duty?..I really appreciated all your opinion here in this analysis of forward-reverse wye-delta motor control circuit or power diagram, but you may a sure of your comment or suggestion to be practising as consultant or inspector if you have a doubt in your opinion, thank you to all and more power to all members...
Napakasimple nyang problema mo. Wala ka lang bilib sa sarili mo. Binibigay na sayo eh ayaw mu pang maniwala at duda ka pa. Tsk tsk tsk..... Yang connection mo eh isa laang sa mga ginawa, naranasan, nakita, natutunan, natroubleshoot at lahat na sa talambuhay ko bilang isang electrical and instrument tech. Ganito na laang, Kung nahihirapan ka sa design mo eh IUPA mu na. Yun laang...
Nga pala, isa pa, andyan si google. itype mu lang yung tanong mo.
Kung wala kang idea sa actual electrical connection eh mag aral ka muna ng basic. DIRECT ON LINE CONNECTION. Pag me sumabog eh ayun... malapit ka ng matuto..... PEACE!
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #13 on: September 09, 2009, 09:39:10 PM »
.....gusto pa yata e designer ng Rockwell at Siemens e
peace
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #14 on: September 09, 2009, 10:10:36 PM »
Quote from: <')XXx< on September 09, 2009, 09:39:10 PM
.....gusto pa yata e designer ng Rockwell at Siemens e
peace
Mahal sumingil mga yun ah. Hehehehe.....
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #15 on: September 09, 2009, 10:32:10 PM »
Quote from: <')XXx< on September 09, 2009, 09:39:10 PM
.....gusto pa yata e designer ng Rockwell at Siemens e
peace
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Re: Forward-Reverse Wye-Delta Motor Control Circuit... « Reply #19 on: September 09, 2009, 10:56:54 PM »
Quotehow will you tap the wiring in permanent connection
the wiring for reversal is not difficult, google it
the wiring for delta-wye changeover is a little tricky but here it is
needless to say, you would need to provide mechanical or electrical interlocks so that the relevant pair of contactors are never energized at the same time!
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