dear all, i m looking for suppliers/designers of centeral emergency battery panal.u reply will be highly appriciated.thanks...
1716
Mohamed Moustafa
mohamed_mous...
May 22, 2008 6:46 pm
Hari, Static Var Compensator (SVC) on the medium voltage side will give you an excellent power factor of 0.99 and a harmonic free network no matter how you ...
1717
electronicparts2002
electronicpa...
May 22, 2008 6:46 pm
including a very good one for making electronic motors and controls. also free electronic design books you can download. this group looks very interesting i am...
1718
satish kale
satish_kale2004
May 29, 2008 7:25 pm
Hi Hari, Energy Saving is avery focussed area from allover thw world with respect to gobalization. Industries are the most power consuming source on this...
1719
tmempson
May 29, 2008 7:34 pm
Hello Satish 1) OK 2) Not true. This is a popular myth spread by VSD companies. The displacement power factor is better than 0.95, but the true power factor ...
1720
Siva ram
sivarammurthy
May 30, 2008 7:53 pm
VFD is a good option in most of the cases, but as Mr Empson says not the only option. THe process requirement, application and the site conditions  decide...
1721
Mark Mcgoveran
tugboatbully
May 31, 2008 8:27 pm
on the energy saving front! 1.if you have a demand for compressed air you could go to a larger compressor and turn it more slowly, you get the same volume of...
1722
izhar khan
izishere
Jun 12, 2008 7:15 pm
may be u shulde try some small capacitor banks, or use another phase if available .. these flickering problems occur due to lagging power factor or heavy loads...
1723
Roy Da Rosa
rawfishbut
Jun 24, 2008 3:57 am
I have a small vfd SMVector Series and with the display reading 0.0 Hz the motor will stil turn. leaks about 90v. Can you help with my task to get the motor to...
1724
Razi Raslan
eng_raziraslan
Jun 24, 2008 7:57 pm
I guess the load which is attached to the motor's shaft causing what is called by "Free run" which means that the motor still have the kinetic energy to...
1725
novatus lyimo
nplyimo
Jun 24, 2008 7:58 pm
The controller always has a monitor keypad to do some settings. You can set various parameters like acceleration, deceleration, the maximum reference...
1726
Roy Da Rosa
rawfishbut
Jun 24, 2008 8:37 pm
the min hz is at 0 and the brake is on. long after the motor has been told to stop it will turn very slow. the display is at o. even 30 min plus time after. ...
1727
hoong2074
Jun 25, 2008 7:08 pm
i have get some MCB label C40 . i think that mean is 40A then that mean is the current are over 40A then the mcb will trip? are there correct?...
1728
mohamad morvarid
mhmor2000
Jun 25, 2008 7:09 pm
Hi my friend Do you have a big motor?If it is true,I think motor is a generator in end of its work and it worked with inductance's voltage itself until it...
1729
manu saini
manu_pama
Jun 26, 2008 7:18 pm
In MCB C-40 = Rating 40 A and C Type  Rating 40 means it can used for a load uptill 40 A. You are right when current increase some %age of 40A then MCB will...
1730
girez
Jun 27, 2008 7:52 pm
... Hz the motor will stil turn. leaks about 90v. Can you help with my task to get the motor to stop? o Hz, No out put. ... Hello Roy, generally the VFD mfgr...
1731
chandu4you5
Jun 27, 2008 7:53 pm
I saw a capacitor with ratings 3n3 S4, 5u(micro)5 S8. What does that mean? What r the applications of this kind of capacitors? Another capacitor with 1000n X2?...
1732
bkmrfc
Jun 27, 2008 7:53 pm
... The C40 likely refers to a 40A MCB with a "C" Characteristic trip curve. The trip curve identifies the time to trip at different multiples of the rated...
1733
Roy Da Rosa
rawfishbut
Jun 27, 2008 8:17 pm
how do i stop this default 5% To: ElecMotorControl@...: ramalexcontrols@...: Fri, 27 Jun 2008 18:50:09 +0000Subject: [ElecMotorControl]...
1734
Mahesh Govender
MaheshGo@...
Jul 2, 2008 7:27 am
HI ALL, I would like to know HOW to practically recover the following data from a motor (incl squirrel cage and slip ring); Im aware R1 is not difficult to...
1735
hari prasad
hari_7870
Jul 2, 2008 7:14 pm
Dear All, Â I would like to know about subimmersible controller in industrials. Pls send the details of equipments and party details. Â Thanks & Regards, ...
1736
Mahesh Govender
MaheshGo@...
Jul 9, 2008 7:48 am
Hi Can anyone explain principle of inrush current in a MV transformer.? I understand the magnetising inrush on a motor is as high as for that of transformer...
1737
hoong2074
Jul 10, 2008 7:28 pm
I notice that the Terminal Block got write down 800v 76A . i know this is the max voltage and current flow through this terminal block.If the voltage or...
1738
girez
Jul 11, 2008 8:43 pm
... this ... the ... Hello, If the voltage connected is above the device or eqipment rating, then chances are the insulating properties of the material will...
1739
hoong2074
Jul 22, 2008 6:44 pm
hi, i have some question about the transformer. This transformer primary got 3 lead that is 230v, 115v,and N(0V) and secondary (output) is 12V. i notice that...
1740
girez
Jul 23, 2008 3:43 pm
... Hello Hoong, what you have there is a primary that could be either 230 v or 115 volt. IF USING 115 VOLT THEN YOUR va rating would be 1/2 OF THE TOTAL VA....
1741
blackhorse_one
Jul 31, 2008 6:53 pm
How much hp can you expect from an 36volt golf cart? I'm very new to electric motors. I'm interested in building an electric 3 wheeler and can get my hands...
1742
blackhorse_one
Aug 1, 2008 9:31 pm
http://www.evconvert.com/tools/evcalc/ I still need help on golf cart electrics. Maybe I should search for golf cart groups huh?...
1743
manqobaskhindi
Aug 1, 2008 9:31 pm
DeaR Sir I am writing this letter to say thanks, I go the masage you sent. I'm glad that you can reply on my massages and help me on designing an electric...
1744
atul_marathi
Aug 1, 2008 9:31 pm
... What is the KW rating of that golf cart, then it is eassy to give answer...
