Answer / guru

The motor will get low current rate and much voltage,so the efficient of machine is poor and low power factor.

Answer / hemant

normaly in star connection motor take very less current as
compare to delta connected. because of current get root 3
times less than phase current. in fact motor almost take
low current but low power factor also. you must know how
much load give to motor if motor load is hgh and its
connected star then it unable share load whether it requre
to delta.

Answer / sheikh

In star connection motor taking excessive current as compare to delta connection.

Answer / ali

Normally we have observed in several times that, when we switched on the any star delta motor than momentary time of star connection motor gets high current and current going to down when motor was shifted in delta

Answer / vetrivel

long time working in delta connection

I'm looking for a manual set for a Credence ASL-1000 or ASL 3000. Softcopy would be preferred but I'll take what I can get.

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why ceiling fan give hising sound

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we have provided 30 nos. relay contacts in panel.I want to know how do we do the numbering for the relay contacts as per any applicable standards

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If the ceiling fan is on slow speed, does it consume less electricity?

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In one village i have seen Earthing transformer's earthing line was also connected to the Transformer body to ground the transformer,can it be possible to maintain 0Volt reutral line this way?

2 Answers  

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salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

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1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

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what is the function of avr when synchronous generator act as synchronous motor

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what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

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How to calculate the volumetric capacity of a oxygen & Nitrogen gas Cylinder if pressure is 145 kg/cm2 & water capacity of cylinder is 67 liters.

0 Answers   vssc,

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i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

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Why we use mho Relay in long transmission line?

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