Answer Posted / pukilu

ans first is correct

why not starting switch first connect in direct on line starter?????

1979

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What is the differance between 2 dc motors of armature voltage 660 v and 440 v?

2018

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at what rate the micro controller increment its timer....is it 1micro seconds or 1/(12*10^6) seconds

1842

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Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.

2229

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what is cascade speed control device?and how this device control the speed of motors?

2227

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1935

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and gate circuit diagram,amplifier circuit diagram

2118

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What is the formula to find out two phase active & reactive power

2233

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What type of wiring series or parallel is used for conventional and addressable type FAS & why?

1852

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State angle criterion.

1175

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What is zero of the system?

1150

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how we can calculate 2 phase welding transformer rating or total power?

1930

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Compare salient pole and cylindrical rotor machines.

1932

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Is the installation of the filter cloths necessary before spreading the gravels at the transformer yards?

1983

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Where voltage are high and current to be interrupted is low the breaker preferred is:

2346

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