1.After synchronising the alternator to the grid,how we r delivering power to the grid?if the i/p increases does the speed hence frequency increases? 2.y the power factor is changing when exitation changes?what is the relation with p.f and flux?

4 Answers   BSNL,

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HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 Answers  

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Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

3 Answers   Ecil,

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what is a DLC?[just dont reply its a Dual loop controller!] Plz do Explain the advantage of DLC over PLC?

3 Answers   Essae,

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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Brushes are placed at magnetically neutral axis,when brushes reach that point,the armature conductor gets shorted,but it can be seen that the dc supply is also shorted,wont that get damage? help me plz

0 Answers  

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how to calculate optimum loading for transformer?

6 Answers  

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Distribution Transformer are connected in configuration? a. Star/delta b. delta/star c. star/star d. delta/delta

7 Answers   IPR, Maruti Suzuki,

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what is the operating principle of contactor(power).along with disection?

3 Answers   NASA, Tech Mahindra,

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what is phantom load, Give any example

2 Answers  

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why occ characteristics of generator is also called as magnatization characteristics

1 Answers  

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what's the difference between ATS and AMF...??pls answer me in detail with its working principle and construction also..

3 Answers  

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