The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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what is bus post insulator and its applications in substations

1 Answers  

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What is the advisble power factor to be maintained in grid connecting power generation plnats without any effecting the generator.

1 Answers  

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Piezoelectric materials serve as a source of:- A. Microwaves B. Ultrasonic waves C. Musical waves D. Resonant waves

3 Answers  

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What is the purpose of lighting Transformer used in Industries for Lighting illumination? Its necessary or not?

2 Answers  

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whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother

2 Answers  

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what's burden resistor, why it's used?

1 Answers   Bhel, TVS Group,

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What is the difference bet ween EDO Type & MDO type ACBs, and what is the advantage EDO Type over than MDO type ACBs.

2 Answers   Siemens,

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what is DG synchronization panel plz explain the working!!!!!!!

12 Answers   Kirloskar, Lanco, MPS Techologies, Sedemac,

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which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?

0 Answers  

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How can make a star delta with Rstar delta feeder ( ( 4contactor & one timer ) pls answer with digram (power &control digram)

1 Answers  

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what is rating providing of contactor,relay,fuse unit for motor output power

2 Answers  

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