Is the effiency of a LT motor(415V,3Ph,50Hz) will be decreased after rewinding? If so how much will be counted percentage wise for future loading of the motor. No staggering of cores have been done during rewinding process.

Good day all. thanks for the valued input from you guys. The outcome on this was as follows: We opted for a 200kW VFD (WEG CFW 09) and managed to get the mill started off the genset without any problems. The only "problem" is that we could only run the mill at 80% "crushing capacity" and after that

I'm a sophomore ME at Rose-Hulman Institute of Technology. The courses I am currently taking are Mechanical Systems, Fluid and Thermal Systems, Elements of Electrical Engineering, and Differential Equations 2. So I've got an "OK" understanding of what crunching the numbers is like. I understand w

= Hi, i Have received an offer letter from IGL ENGINEERING OIL AND GAS COMPANY UK, need to know if it is fraud? =

the company address given in letter is : 13 Dunghill Road (Shop 190) Carmarthen SA31 2AF Wales, then person from whom i have received this is : Dr. Tony Lampson, Chief Recruiting

Many a time , I came across the PLF(plant Load Factor). Could you please help me, in getting understanding what is PLF and how it is determine for a specific plant. Also, when determining the gross generation of a power plant we multiply the rated capacity of the plant with Operating hours and PLF,

Case 1.

1. Let us say an arc is to strike between point A and point B in air.
2. There is weak or powerful magnetic field between A & B perpendicular to the line A-B,
3. How will it affect arc voltage & current (after arc is established) , threshold voltage,arc current (befo

A simple question:Can I use ordinary incandescent bulb rated 230V AC,60w in 220V DC?Is there any problem?These bulbs are actully used in the emergency lighting fed from DC charger.There are hardly available DC bulbs in the market.Pls have your opinions/experiences here...........thank you.

Does anyone remember when the ISO metric standard was introduced and what the smallest sizes were before? I work on a lot of pre 1980's camera equipment and my unsorted tiny screw pile is getting too big. I want to sort them but the diameters are all over the place.

Thanks

Is it possible for lightning strike to only damage the inverter drive and transformer (for incoming supply) in the control panel for a lift/elevator system at the top floor of high rise building? The rest of the electrical components in the lift system are not affected.

I am looking for cable sizing calculation and name of vendor for under ground cable which can serve in area having condition as:

1. Voltage grade: 10 kV

2. Ambient temp: (-) 28 deg C to +46 deg C

3. Frosting/Icing during winter: up to 500 mm below grade.

4. Length of cable: up to

I'm really needing help. I have a 1986 Ford Ranger pickup with 2.9 V-6

The engine died while driving and now the fuel pumps won't run.

I have checked the circuits and from the relays (there are 2; 1 electric and 1 vacuum operated) to the pumps everything is as it should be.

The

Hi CR4rers and others
I have been following this thread

http://cr4.globalspec.com/thread/49244?frmtrk=cr4sd#newcomments

on container concepts for helping the people of Haiti and have come up with an approach which would not be on topic.I decided to mak

k1 is 234.5 for 100% IACS conductivity copper, or 225 for aluminum, based on a volume conductivity of 62%.

For other winding materials, a suitable value of k1 (inferred temperature for zero resistance) shall be used.

How to intrepret " inferred temperature for zero resistance"? Thanks a billio

how can i gat a complete ciruit diagram for a automatic transfer switch (ats)-

specially the part that stats the engine shut it down.

Greeting all,

I know, when power angle is less than 90 degree, the system is stable. When it is more thant 90 degree it is not stable

the power flow formula is as below

P = Vs x Vr x Sin0 / X

Suppose, if we have a sytem with power angle of 30 de

Hello,

I'm into the analysis of welding joints & need to prepare a documents of welding symbols, need to do strength analysis, and so on..

I require AWS codes to do so.

Can anyone provide me a link to download AWS codes??

Thanks

Pramod

Hello, I was looking at CR4 forum: could you help me with this electrical question please:

On a HV network if I have a cable for which I know the sending and recieving MW/MVA and MVAr (say between two buses), how can I describe/define how 'loaded' the cable is if I compare it to a parall

Considering our efforts to go GREEN and the sources of power through wind and PV, unless we are very rich, we may not be able to configure a 15KW power source and have to rely on a more modest configuration that can supply a more modest but a steady supply of power during the day for extended use at

hello,

i want to know the weight of metal in one cubic meter M30 cocnrete ?

weight of metal in one cubic meter M20 concrete ?

weight of metal in one cubic meter M40 concrete ?

weight of metal in one cubic meter M50 concrete ?

& i also want to know the

What a way to celebrate this year's March Military Campaign – a 1944 Sherman M4A2E8 tank for sale on Hemmings.com. Any ad that includes the phrase "This is no joke" is gold in our books. From the seller's description:

"Very complete and original, with it's good running,