why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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In LRS how much water PH value maintain for good operation of motor?

3 Answers  

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Please clarify, 1. Is it required to lay two runs of GI wire along with Armoured LT cable if it is laid between one big mains (63Amps TPN SDF) to small main (32A TPN SDF) with proper glanding termination? 2. If the armoured cable with proper glanding is laid from DB to CNC machine, is it required to run two runs of body earthing to the Machine from DB? 3.If the armoured cable with proper glanding is laid from Substation to Hangar, distance is approx. 100 mtrs, is it required to do earthing at shop area though the primary termination at substation is earthed through gland.

0 Answers   HAL,

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what is the disadvantage of lagging power factor & why ?

2 Answers  

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when an induction motor runs on load.at that time if we reduce the supply voltage the current increases.But when it runs without load,if we reduce the supply voltage the current also reduced.why?.i checked it practically also.

1 Answers   Birla,

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What is difference between slip rings and carbon burushes?

2 Answers   Hyundai, IVRCL,

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What will be MF for below rating ? Main CT PT value is 11kva/110 and 20/5 amp Meter display is 1kva/110v and -/5 amp What will be MF ? Multiplycity factor of energy meter

0 Answers  

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Star Delta Diagram with full description

0 Answers   SKS Microfinance, Syscom,

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What is the emf equation of a transformer?

0 Answers  

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what is the use of terminals in transformer ?

1 Answers   Core Solutions, Honeywell,

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please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????

1 Answers   GNFC,

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how we can calculate cable size for any load & any type of cable material ?

1 Answers  

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