Dear Sirs,

I have a 120 KW AC motor that is being started / run by using DOL Starter.

I want to change the starter by a Soft Starter cum Energy Saver.

Can someone suggest me the following -

1. Advantages of using a soft starter

2.Effect on Life of the mo

Hello,

What thermoplastic material can one use to build ventilation ducts in hospitals? Can one use HDPE or PP? Does it need to be glass fibre reinforced? I'm really struggling here as this project is a first off. All help is appreciated !!

And many thanks in advance.

1) what is the size of pvc rigid conduit required to lay 3c X 4 sq.mm armoured copper cable? 2) what is the outer dia of 3c X 4 sq.mm cable? is there any chart available for selection of conduit size and dia of cables? Reply expected urgently please

hello. my name is pijeng.

my project is about home security system that using MMS. Let me explain about design of this project first.

Firstly, the system will be detect the movement of any intruder going inside the house. So i believe any IR sensor should be suitable fo

Please help on following topic.

How to interface any third paraty device on ASCII communication? Please give it with examples

What is general method

hi everyone

i need help about 3m2 of old sulfuric acid we don't know to eliminate it plz help me

I am in the designing stage on a new tool. This tool utilizes 6 small AC electric motors. These motors will have a gear attached, (32 teeth, max. 1" Dia.)
Two of these motors will move a plate (approx. weight >10 lbs.) along a RACK for 6 Ft. The motors will be located on opposite sides of t

I am trying to get clarity on the distinctions that exist in descriptions of thermal properties of materials.

In the field of composites, particularly vinylester epoxies cured at room temperature, there is a "transition threshold", a temperature at which the properties of the epoxy change a

Is there a way to directly convert mm of water to gallons per minute?

We have a 2700 square feet water tube boiler d type running on natural gas and in winters it is run on solid fuel like wood and rice husk 150 psi running pressure. The problem is that we require steam sporadically and the pressure falls when there is jerk load. This only happens 3-4 times a day

is it possible to improve power factor of diesel generator by using capacitors.can someone guide me how do i go about.

We have 4650 KW ( SIEMENS) Slip ring Induction motor (Ball Mill) taking input of 6.3 KV and have Liquid starter. When the mill run under normal condition it take 4475 to 4525 KW. But from previous two days (approx 42 Hours) its load remain between 5060 to 4615 KW (Feed to the Ball Mill is normal).

possible interview questions for estimation/site electrical engineer.

We are hot forming the spherical dome of R170 & Thk 7.5. Dome is having S.F. 60mm. We have taken blank dia.600mm. The major problem we are facing is heavy wrinkles during forming. We are carrying forming in 4 stages even the problem is occuring.Dome material is alloy steel.

Suggest your

Can i use other materials instead of 4140 as target material for eddy current probes. What will be the effect on performance of probes?

Dear members..

I have difficulty in interpreting ASME Section VIII Division 2 2007 paragraph 4.5.10.2. This paragraph is about the requirements to determine design method of vessel whether using part 4 (design by rule requirements) or part 5 (design by analysis).

One of

Hi All Again, What is Going On?

Another modest idea from no where talking about the 'Financial Un-Balanced Crisis' I will like to propose something here. As follow:

Assuming any entity that doing for example 150 to 200K yearly basis. If a 2 to 3% over that amount be recycle back toward the

I changed the I/O card in my system, the problem now is that it does not communicate with the Rotor Packer machine.

What could be wrong and what should I do.

Paschal from Port Harcourt South- south Nigeria

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We are facing frequent failure of the immersion type Heaters of 2 KW cap used for additional heating in the Solar Panel heated water tanks. These heaters also come with thermostats attached. Root cause ??