Hello everyone I have to estimate a generator size for motors whichv are of two differnent operating voltages - 380V and 6.6kV. 380V motors range from 1HP to...
1132
sohail_64pk
Jan 31, 2007 11:00 pm
Hello everyone I have to estimate a generator size for motors whichv are of two differnent operating voltages - 380V and 6.6kV. 380V motors range from 1HP to...
1133
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nazeh99999
Jan 31, 2007 11:01 pm
plz can help me to find traning about generators or good paper in maintenance my name mosab ... No need to miss a message. Get email on-the-go with Yahoo! Mail...
1134
d srini vas
d_srinu82
Feb 5, 2007 7:32 pm
thank you sir.. its very helpfull to me.. uday rajkumar <kudayrk@...> wrote: first make Kp=Ki=0, Then keeping Ki=0 ,for a particular input ,Increase...
1135
tibebu hailemariam
tibe2329
Feb 12, 2007 12:19 am
Please friends, can you send me a compete design procedure of switching mode regulated dc power supply. Thank you indeed. ... Never Miss an Email Stay...
1136
tmempson
Feb 12, 2007 12:27 am
Hello Ivran The amount of current is dependent on the level of braking torque that you require. You can treat the breaking situation the same as the starting ...
1137
tmempson
Feb 12, 2007 12:28 am
I am not sure what you are asking for here, if you reduce the voltage applied to an induction motor, it will not go unstable provided that the sorce of the...
1138
tmempson
Feb 12, 2007 12:33 am
Hello Have a look at http://www.lmphotonics.com/genset.htm this should answer some of your questions Best regards, Mark Empson ... HP...
1139
tibe2329
Feb 13, 2007 5:56 pm
Would you inform me how to design a practical switch mode power supply. Thank You!...
1140
mpi605
Feb 13, 2007 5:56 pm
I have two 20 KW ( 1440 rpm 240 V , India) Dynaspede AC Eddie current motors. Does somebody have use for it ? Or can somebody guide how could I sell them....
1141
aoo4xt
Feb 22, 2007 6:38 pm
... busy on my process line now. next time . alert me on my mail...
1142
charlesr_gee
Feb 23, 2007 7:06 am
... connect ... try ... You most probably cennected it wrongly. ... It will heat up like that if you may have connected your coils in series thus will turn...
1143
charlesr_gee
Feb 23, 2007 7:07 am
Dear Friends, I have this problem with a 3 phase wound rotor induction motor. Details are as: - Maker: - Crompton Parkinson (major series) Type: - MDCO25OM...
1144
shail7776
Feb 23, 2007 7:08 am
can any one help & provide me control cicuit diagram for 210kw slip ring induction motor with liquid rotor starter p.l.c interphase...
1145
charlesr_gee
Feb 23, 2007 7:09 am
... current ... this ganeration....
1146
gr2880
Feb 23, 2007 9:44 pm
Hai groupees! Could you get me formula to determine the diameter of the cable with respect to the passsage of current? Please send me at the earliest....
1147
khalid raza
alhilalco2001
Feb 23, 2007 9:44 pm
As written by mr.ur motor is over loaded in star connection,follow the rating plate is it possible to directly connected in delat.if so then see ur capacity of...
1148
gr2880
Feb 23, 2007 9:44 pm
Hai Chirag Mistry, Yes.We can sense the earth fault.You have to provide motor protection relay to sense the earthing....
1149
gr2880
Feb 23, 2007 9:45 pm
... trouble ... i'll ... me... ... check your motor runing in the star connection time...
1150
ramalexcontrols@...
girez
Feb 23, 2007 9:45 pm
Hello Friend, My expirence tells me that your brushes (carbon or copper/carbon) may need some refacing. The fact that there are some sparks coming out from...
1151
mohamed_moustafa
mohamed_mous...
Feb 24, 2007 8:21 pm
Is there any recommendation in the IEC or any other standard regarding the starting method of higher ratings (e.g. >100KW),low voltage induction motors....
1152
raghava rao
chcrr
Feb 25, 2007 1:37 am
Dear moustafa, No IEC Stds. for starting methods based on KW. Depends on system capacity, % of impedance of source , load torque the starting methods can be...
1153
raghava rao
chcrr
Feb 25, 2007 1:37 am
Dear Sir, If the motor is suitable for delta connection you can form the Delta connection with out any problem. The reason for heating in star connection may...
1154
Sathya Priya
sathyapriya31
Feb 26, 2007 6:11 pm
sir i want first step to design a induction motor give some exambles. with data ... Here’s a new way to find what you're looking for - Yahoo! Answers ...
1155
jen61304
Feb 26, 2007 6:12 pm
I am looking at building a H bridge and I am looking for designs. I would like to use mosfets and I have been told about mosfets that can be controlled by...
1157
Ravichandran Natarajan
ravi1871j04
Feb 27, 2007 2:03 pm
As such there is no recommendation in standards regarding method of starting. It depends on individual user to limit the starting current which depends on...
1158
Rajesh Kumar Sunkarin...
srcumar
Feb 28, 2007 8:40 am
It is better to start a motor with higher ratings (>30kw) through a soft starter Rajesh Kuamr S ... [Non-text portions of this message have been removed]...
1159
sakthi vadivel
sak_40in
Feb 28, 2007 10:14 am
Start with finding the KVA rating of the machine Then get the output equation coefficient by selecting appropriate electrical and magnetic loading (Bav and ...
1160
s.ramesh smrames
smramesh_sg
Feb 28, 2007 1:29 pm
Hello sir, od is not standard one, the cable size will vary depends upon the insulation type and armored ,pvc sheath etc. Examples for same amps; Un armoured...
1161
Ravichandran Natarajan
ravi1871j04
Feb 28, 2007 10:18 pm
Pls buy A.K. Sawhney's Electrical Machine Design. It is very exhaustive for design and easy to understand. Regards Ravi Sathya Priya...
