Answer / simon

Square wave,Saw tooth wave,Triangular wave.

Answer / murugavel

no dc current and ac current only voltage different ac voltage and dc voltage. current mean move electron through the conductor it not a different and type too

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

1 Answers   CS, L&T,

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What is the use of centrifugal switch in 1phase induction motor? Why is it so called?

2 Answers  

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what are the safety measures of induction motor?

3 Answers  

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why i can not use thimble on capacitor duty contactor

0 Answers  

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why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other

2 Answers   HCL,

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What is the rating of your substation and what are the different types of substations?

5 Answers   Bhel, NTPC, UPPCL,

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I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 Answers  

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1. alternator has full load regulation of 4% when pf of the load is 0.8 lag, 1500 rpm. full load regulation of 1400 rpm for 0.8lag will be ________ ?? 2. torque angle of a sync m/c operating from a constt voltage bus is usually defined as space angle between _______ . 3. method most effective in finding out no load losses in large DC shunt motoris ______ . 4. current carrying capacity of fuse material depends on ______ . 5. coil has res. 10 ohm, inductance 1H. what wil be current after 0.1sec after switching on to a 500V DC SUPPL ? ? 6. effect of phase lag compensation on servo systems ___________ . 7. rotor of a dc machine is usually supported upon ______ . 8. DC motor is preferred to AC motor in which application ?? 9. 3 nos of 10:1 Xmer are connected in Star-Delta to supply a load at 230V.the supply voltage must be ______ . 10. voltage source produces max current in which circuit. 11. cal. power, if current and voltage are out of phase by 90 degree. 12. suitable length of Xmission line of power at 66 KV. 13. Which of the theorm helps in simple computation when the load across a ckt is varying ?? 14. what is the adopted line length for power Xmission of power by cables ??

5 Answers   TATA,

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What is an 86-P or an 86-A trip

0 Answers  

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what is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

2 Answers   Electro Tech,

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

0 Answers  

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What is corona? and what is the purpose of corona belt in substation ? why they connect these end of the buses ?

2 Answers  

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