since you are using battery as a source it looks obvious that you can get dc motor. its speed control and allt he regeneration etc is easier electronics than...
443
dgp
pdhag@...
Feb 21, 2006 5:36 am
it also depends on the load conditions if you are loading the motor more it will take longer time to reach the rated speed etc normally i heard that when the...
444
dgp
pdhag@...
Feb 21, 2006 5:37 am
magnemotion is one keyword. d arush_15 <arush_15@...> wrote: hai friends i want to know about linear induction motors in which site i can get details. ...
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dgp
pdhag@...
Feb 21, 2006 5:44 am
in our home fans we have single phase ac motor with a regulator whihc is resistive type, means the voltage applied to motor is dropped across resisotr which...
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dgp
pdhag@...
Feb 21, 2006 5:52 am
yuo need to find by some means how much is the electrical load power. means how much ratings kw is the furnace etc then just generate the set kw at your...
447
dgp
pdhag@...
Feb 21, 2006 5:52 am
try googles ask expert service in services d George George <george_innovate@...> wrote: hi all, I m doing my project in DC machines and need technical...
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dgp
pdhag@...
Feb 21, 2006 6:01 am
you can find application of fuzzy logic in the fan/pump/position type controls using im. use the im with standard ac drive which accepts the analog input as...
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dgp
pdhag@...
Feb 21, 2006 6:06 am
if the load current is sin wave just find load current rms and appied motor voltage. but you then need power factor also. or roughly find the speed and torq of...
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venpada
Feb 21, 2006 10:32 am
Can anyone help to configure multiple Inverters - Hitachi SJ300/L300P/ SJ100/L100 for communicate with PC or PLC. How do i get the ASCII code conversion...
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deepak naik
deepaknaik13
Feb 21, 2006 2:40 pm
A big hello to all, I m mechanical engr. & have some doubts abt the specification on motors as follows: can one run 380v motor on 440 v & vice versa ? what do...
452
s.ramesh smrames
smramesh_sg
Feb 21, 2006 2:40 pm
dear all, i want to know how to calculate the AC and DC voltage drop in cable,please send your valuable details tome. thanking you s.ramesh ... Jiyo cricket on...
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pkiran_bng
Feb 21, 2006 5:54 pm
... ok my friend i will give on sunday...
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Mark Empson
tmempson
Feb 21, 2006 8:12 pm
Hello Sumit If you are concerned about the noise generated by the drive and trying to contain it, then yes you should use screened cable between the drive and...
455
Mark Empson
tmempson
Feb 21, 2006 8:23 pm
Hello rohit You must allow the motor to reach full speed in star before you switch to delta. The time is very dependant on the motor characteristics and the...
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Mark Empson
tmempson
Feb 21, 2006 8:23 pm
You can't!!...
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Mark Empson
tmempson
Feb 21, 2006 8:25 pm
Swap two phases on the input to the motor. i.e. revers the phase rotation applied to the motor. Note you should only do this if you are qualified to do so....
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Mark Empson
tmempson
Feb 21, 2006 8:35 pm
Hello Stanley You should measure the input of the transformer, and you should make measurements with a proper power meter. Depending on the type of lighting,...
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Mark Empson
tmempson
Feb 21, 2006 8:59 pm
Hello Joseph Have a look at the characteristics curves of the induction motor and you will find that the power factor during start is not constant. Typically,...
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ana nd
anand_2k23
Feb 22, 2006 11:40 am
Sir, i want delay control circuit for single phase full bridge inverter.if any body having this circuit plz send me through my mail id ...
461
Timmi
tigrrrtamer
Feb 22, 2006 4:03 pm
hi D, thank you for your answer. I've posted that call for help in a few groups, and am realizing that many answers contradict each other... I liked your...
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k kumar
knhemanth206
Feb 23, 2006 9:07 am
hi, this is hemant new to this group, i have started a project wherin i have to control TWO DC motors using microcontrollers. instead of using 2 control cards...
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KIFLE YOHANNES
kflyhns
Feb 24, 2006 3:24 pm
Dear Sir AMDAK ENGINEERING P.L.C is one of machine manufacturing company. For your information, we will release our website in the near future. We would like...
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safi boudjeniba
boudjeniba
Feb 25, 2006 3:10 am
Dear Sir, We would like to help you but, Can I get your location then I will provide you the right contact person. We have representative over worldwide. ...
467
KIFLE YOHANNES
kflyhns
Feb 25, 2006 12:42 pm
our adress is in East Africa, Ethiopia ,Addis Ababa. Thank you! ... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo!...
468
s.ramesh smrames
smramesh_sg
Feb 25, 2006 3:13 pm
dear all goodmorning, i want to know how to caculate the KVAR from connected load, 1) 1500 kw 3 phase load 2)1500 kw 1 phase load 3) please mension the...
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Mark Empson
tmempson
Feb 25, 2006 7:40 pm
Hello s.ramesh You can nor calculate the KVAR form the KW only. You need more information. You need to know the angle between voltage and current, or the KW...
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dgp
pdhag@...
Feb 27, 2006 8:18 am
kw divded by power factor of load is kva d "s.ramesh smrames" <smramesh_sg@...> wrote: dear all goodmorning, i want to know how to caculate the KVAR...
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hitesh laharia
hiteshlaharia
Feb 27, 2006 1:39 pm
Dear all I have in my company motors of 1250KW, 800KW,600KW.... induction motors How can i use Slip data revcovery. If anyone of you has used that in your...
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seannipie
nhaezkrypt_s...
Feb 28, 2006 11:40 am
hi everyone. i don't have much knowledge about motor that's why i'm here. i'm a student and am constructing a project that needs a variable speed from a pump...
473
dgp
pdhag@...
Mar 1, 2006 5:03 am
pump load can be taken as variable torque load? if yes then the dimmer or resistive circuit which reduces the applied ac voltage to motor should also reduce...
