Please Unsubscribe me Thanks Sunil ... [Non-text portions of this message have been removed]...
1263
engahmed_abdo2000
engahmed_abd...
Jul 1, 2007 8:44 pm
the parameters of 3p I.M can be measured by using three tests no load test, bloked rotor test and dc test from N.L test we can find Rm and Xm from bloked rotor...
1264
engahmed_abdo2000
engahmed_abd...
Jul 4, 2007 7:48 pm
for one speed motor u don't need to freq inverter u can use abally and belt the pally have higer radius according to the law power=const T1*w1=T2*w2 W1=2800 ...
1265
engahmed_abdo2000
engahmed_abd...
Jul 10, 2007 6:57 pm
al slam alikom wa rahmat allah wa baracato initially the capacitor value should be large in order to increase the phase shift between the stator and rotor flux...
1266
fintan lawlor
fintanfirst
Jul 16, 2007 9:02 am
Hitesh AOYP Yussuf Kajiji will be able to answer all your questions regarding Liquid Starters. Best Regards Fintan Lawlor LRS Group UK Willesborough Ashford...
1267
engahmed_abdo2000
engahmed_abd...
Jul 21, 2007 9:23 pm
changing the ferq does not changes the max torque but only changes the speed but changing the voltage decrease the max torque...
1268
amer_2000ae
Jul 21, 2007 9:25 pm
hello can i get the right answer for what is the locked rotor current and what is relations with the rated load current thanks...
1269
viswanath_2005
Jul 21, 2007 9:25 pm
... which is due to form factor i.e 1.11.so all voltages divisible 11 form factor= (rms voltage/average load)...
1270
Eddie Duncan
eddzach
Jul 21, 2007 9:28 pm
Hard wire the screw pump through the normally open contacts of the grease pump. Break A1 through the 13-14 connections on the contactor which means you cant...
1271
Ravichandran Natarajan
ravi1871j04
Jul 22, 2007 8:37 pm
Locked rotor current is the starting current which the motor would draw during starting. It depends on the type of starter being employed for that motor. for...
1272
s.ramesh smrames
smramesh_sg
Jul 24, 2007 8:03 am
dear all, please tell me the control ckt details for my requirement. i have 3phase EB supply whenever its gone i need an alaram pls send the schematic ... ...
1273
sumit anand
sum_anand
Jul 25, 2007 10:17 am
Hi all, Can any one tell me why the MPCB dosen't trip during motor start-up due to the starting current. Regds - Sumit ...
1274
sumit anand
sum_anand
Jul 25, 2007 11:34 am
Dear all, I am using a motor of 3.0 KW , 8.0A , Starting current 28A , 2 Pole . Please let me know what will be the starting time in seconds for this motor it...
1275
Chirag Mistry
chiragkmistr...
Jul 26, 2007 10:33 am
Dear All, Very Good after noon. I am working as project engineer in Steel Plant. We are going to some changes in our new project. For same i need some help. 1)...
1276
yogesh makwana
yogesh17681
Jul 27, 2007 8:19 am
AS per the above mentioned subject can any body help in Designing of Linear Induction Motor with Guidewave for development of Maglev Model Looking forward to...
1277
Venugopal Balla
venpada
Jul 27, 2007 12:00 pm
Dear Mr.Chirag, I think Robicon MV Drive is best and then Harvest -china the next .... *If you need any help or supply the MV Drive from us, please let me...
1278
akhilesh kumar
akhilesh1470
Jul 30, 2007 7:05 pm
Dear chirag we areusing ABB MV drive of 2.5 MW. it is working very much satisfatorily and regarding your querry about intellegent MCC , please clearify what...
1279
saxena_deepti0782
saxena_deept...
Jul 30, 2007 7:06 pm
Dear all, i m very much confused about the concept of calibration. we have a PID based temperature controller having thermocouple as its sensing device and...
1280
tadagids
Jul 30, 2007 7:06 pm
... Hi, Locked rotor current is nothing but it is current when rotor is in standstill condition & about to rotate so Required current to rotate the rotor is...
1281
Ravichandran Natarajan
ravi1871j04
Jul 30, 2007 7:08 pm
Starting time depends on the load requirement and not on the motor alone. Motor Torque Speed Characteristics has to be matched with the load characteristics at...
1282
abhilash khandelwal
abhilashkhan...
Jul 30, 2007 7:08 pm
hii chirag ? i am working in manufacturing company. recently we have ordered intellegent mcc for our sudan proj. if u come to know about the intellegent mcc...
1283
ezhumalai perumal
ezhumalai.pe...
Jul 30, 2007 7:09 pm
Dear remesh Indication system for the EB fails through relay logic Find the SLD in this Attachment Material required 1. relay-1no 2. Alaram battery based -1no ...
1284
Razi.Raslan
eng_raziraslan
Jul 30, 2007 7:12 pm
Hi, For this kind of size of drivers (MV) then I advice you to use Vacon drivers but they are a bit expensive than the others but at least I can grantee for ...
1285
satish_kale2004
Jul 30, 2007 7:13 pm
Locked rotor current is the current drawn by motor when the rotor is laoded but not rotational or it is a short circuit current.This current is not the...
1286
ronanki suryaprasad
rsuryaprasad
Jul 30, 2007 7:13 pm
hI SUMIT Starting time for motor operated in DOL mode is 5 to 8 seconds. regards/surya ... Download prohibited? No problem. CHAT from any browser, without...
1287
ronanki suryaprasad
rsuryaprasad
Jul 30, 2007 7:13 pm
Dear s.ramesh smrames If u want to alert by an alaram whenever the 3Phase supply fails Just connect the battery operated(Either rechargeble or normal) Alaram...
1288
girez
Jul 31, 2007 12:47 pm
... and inter lock the system ... Hi , What is an EB supply? maybe if I knew what it is I can probably lend some advice. ... the schematic ... for happy...
1289
Siva ram
sivarammurthy
Jul 31, 2007 12:48 pm
Ive personally seen MV drives working well in INdia. CHettinad cement is a good installation. I think its from ABB. Mangalore refinery has gone for rockwell...
1290
uday rajkumar
kudayrk
Jul 31, 2007 12:48 pm
There are 2 types of calinrations: 1. Thermocouple calibration: In this there are 2 aspects a. Temperature Indicator(/display): Generally T/c are non linear,...
1291
girez
Jul 31, 2007 12:48 pm
... and ... rotate ... is ... Hi,Im Alex We 6 times of FLA (full load Amps for LRA (lock rotor amps)as a rule of thumb. Assume you power up your motor but the...
