In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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What is the kva?

2 Answers   Makino Auto, SAL Steel Power, Sapphire Group,

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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Why negative feedback is preferred in the control system?

0 Answers  

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What is the output of 25 kva 11/.4 kv transformer in kw ? Plz generalized it...

3 Answers   NTPC,

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how can we generate electricity????

6 Answers   Torrent Power,

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why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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what is the formulae for selcting capacitor bank to increas pf

4 Answers  

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what is real power and reactive power?

3 Answers  

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Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 Answers  

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What are the neccessary safety arrangements before commissioning of HV substation?

1 Answers  

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what is transformar load balancing ?

2 Answers   L&T,

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