hi Eddie, this is Soji. Pls post me useful info on how to test if a 3 phase induction motor of size 55hp is burnt and information on how to test motor...
1456
harry
hari040883
Dec 8, 2007 7:33 pm
Hi frinds Please send me Power and control wiring for slip ring induction motor....
1457
herenti
Dec 8, 2007 7:33 pm
Hi I'm New here and ask permission for asking all of the member I got a problem for controling the speed for Slipp Ring Motor . The motor it self is a 37 KW -...
1458
Eddie Duncan
eddzach
Dec 8, 2007 7:34 pm
Chen, It wasn't me with the problem it was another guy I was responding too. If you scroll back your emails you will find him. Regards, Eddie Chen Wrilk...
1459
slorth_2003
Dec 8, 2007 7:34 pm
Hi, I've "inherited" a new design that calls for controlling two motors with the one drive. The design specified closed loop feedback. The application is an...
1460
bapitha_beece
Dec 8, 2007 7:34 pm
hi, i want the details about equvilent circuit diagram for the single phase induction motor. i modelling the single phase induction motor using MATLAB/SIMULINK...
1461
lee dickey
lee_dickey2002
Dec 8, 2007 7:34 pm
Dear Sir, If your motor is running at the time of the fault then your breaker will trip or if the motor has fuses then you will get a blown fuse. If you are...
1462
raghava rao
chcrr
Dec 8, 2007 7:34 pm
Dear Chandra, Tacho generator can be use as DC Motor. There is no difference between DC generator and Motor. If same supply fed to generator ,then it will act...
1463
aoo4xt
Dec 9, 2007 10:17 am
you are right. i'll need to know the type of controller and converter. Honeywell, Ascon, Gefran etc, and the model. Allen brandly.siemens etc converter. Of...
1464
harish subhedar
hari040883
Dec 9, 2007 5:40 pm
Please send me power and control wiring for slip ring motor. ... Get the freedom to save as many mails as you wish. Click here to know how. [Non-text portions...
1465
harish subhedar
hari040883
Dec 9, 2007 5:40 pm
hi tell me the motor either work in reverse or forward or both slorth_2003 <dlawless@...> wrote: Hi, I've "inherited" a new design that calls for...
1466
harish subhedar
hari040883
Dec 9, 2007 5:41 pm
Hi Ya it is possible by using INVERTER (VFD). Because the speed is directly propotion to frequency. By using VFD we can varry the frequency, herenti...
1467
powerhouse@...
reachsrinivasan
Dec 9, 2007 5:41 pm
Dear Hendra, A slip ring motor operates as a sq.cage motor once the rotor external resistance is completely removed after the start condition is overcome. As...
1468
mehran shadzi
m_shadzi
Dec 11, 2007 5:46 pm
hi harry; you can visit www.lmphotonics.com this web site has a lot of letters about all kinds of electrical motors. good luck ... From: harry...
1469
ramalexcontrols@...
girez
Dec 11, 2007 5:46 pm
My exact thoughts JS, All you need to do is properly short the rotor windings and the motor will then have the characteristics of a Squirrel Cage Motor. Apply...
1470
Nasser Hashemnia
naserhashemnia
Dec 11, 2007 5:46 pm
It seems that there is no single human being on earth who can help me in my thesis!!!! ... Naser Hashemnia MSC Student of University of Tehran Contact bye:...
1471
Eddie Duncan
eddzach
Dec 11, 2007 5:47 pm
Whats wrong with the "resistance box", send me any details or info you have on it Eddie harish subhedar <hari040883@...> wrote: Hi Ya it is possible by...
1472
Eddie Duncan
eddzach
Dec 11, 2007 5:47 pm
Wire the control circuit of the main motor through the auxilliary contacts of the greasing motor. ie n/o with both motors power fed independantly from seperate...
1473
satish_kale2004
Dec 11, 2007 5:47 pm
Hi Hendra, Yes you can use the Inverter to control Speed of Slip Ring Induction Motor by shorting the slip resistors. But there is always chances that required...
1474
Eddie Duncan
eddzach
Dec 11, 2007 5:47 pm
Are the motors ac variable frequency or dc, what make are they and what rating, if they are dc are they fed via SCR's You say you have 4 motors for 2 drives....
1475
slorth_2003
Dec 14, 2007 10:23 pm
G'Day Harish, Thanks for the response. The motors are 35HP AC slip ring motors. We plan to short out the rotor resistor network and install vvvf drives. The...
1476
jaypandya86
Dec 14, 2007 10:23 pm
i want to know that i am trying to reversing the motor by reversing the armature connection. is that possible or not ? give specific reasons...
1477
bryvil69
Dec 16, 2007 6:01 pm
... the ... Yes, changing the armature will reverse your motor. Plenty of websites to explore to give you in depth reasons....
1478
yravikmr
Dec 16, 2007 6:02 pm
yes it is possible. and also reversed to change field supply.you have to be change if armature or field any one only ... the...
1479
saravanan.g
sarvanggg
Dec 16, 2007 6:02 pm
... the ... hai its possible to reverse the motor ,when u change interchange the phase ,which will change the indution of the motor,and also rotation...
1480
ramalexcontrols@...
girez
Dec 18, 2007 5:40 pm
You can reverse the rotation by reversing the connection of the armature or the stator BUT NOT BOTH. ... From: saravanan.g <sarvanggg@...> To:...
1481
ruhhonest
Dec 18, 2007 5:41 pm
in my one project when the elevator start then the voltage drop to the building and for testing we suply from the main bus but there is no benifit . now ,...
1482
izishere
Dec 18, 2007 5:41 pm
... reversing ... reasons ... hey , u can change the motor direction by changing 2 of the three phases for 3 phase. it means instead of RYB u do connection...
1483
jaypandya86
Dec 19, 2007 5:39 pm
hi group friends , what is the difference between earthing and neutral? and what is the need of both....
1484
ramalexcontrols@...
girez
Dec 19, 2007 5:39 pm
yOU HAVE TO GET YOUR LOCAL UTILITY PROVIDER TO SUPPLY YOU WITH BETTER SERVICE. OR IF THAT'S NOT POSSIBLE THEN THEY SHOULD ALLOW YOU TO PROVIDE YOUR OWN SYSTEM,...
