Answer / abhishek kumar

When AC excitation given to the field there is no emf genrate in roter so altornatar not produce any emf.

Answer / k.prakashchandra

You get distorted wave form ,instead of sinusoidal

Answer / raghu

I dont know

what could be the possible reasons for copper cable to have low insualation?

1 Answers  

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The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

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why transformer calling in VA rating

6 Answers  

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What will be the size of copper cable (each for 3 phase and 1 neutral) from Service connection Kit-Kat to Panel Board (i.e. to main switch) for a 6 pole 3-phase AC induction motor of 200 H.P. capacity? Amp-255 A, Frequency:- 1450 rpm.

0 Answers  

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what use can we make of 3rd harmonic component

5 Answers   Bhel, General Motors GM,

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What is auto changeover and how it works plz write details.

3 Answers  

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During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP

0 Answers  

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in 400 kv system why should trip both side CB when we give hand trip?

1 Answers   KPTCL, NHPC,

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what is over cureent protection

3 Answers   Anil Group, MPSEB,

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WHAT DO U MEAN BY THERMAL OVER LOAD RELAY& WHERE THEY ARE BUSED

4 Answers   L&T,

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Why the brushes used in dc machines are made of carbon not from other metal?

2 Answers  

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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