Why in USA supply voltage parameters(230V,60Hz)are different,is there any advantage please brief.

1 Answers   APC, DRJ ARDE,

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How To increase Knowledge Of boliler regarding To Only Electrical Field..

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what is the preventive @ predective maintenance

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In constant power region of 3-phase IM torque-speed characteristics, if frequency increases flux A does not alter B decreases C increases D none of above

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there is a line fault some where on the ove head distribution line. how will i locate the fault for clearing it? ofcourse i have to megger the line but what information makes me clear that the fault is in that section of the line?

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Who is the first Bangladeshi Everest climber? Where is his home district?

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How can Inductive load reduce the line voltage of HV transmission line and vice versa Capacitive load?

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what is negative phase sequence

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why inductance is not present in a incandescnt lamp?

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

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What is tranformer differtial?

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Why we Do not connect the windings of the motor in delta? & what would happen if we do that? I mean the winding themselves not the three lines that are coming to the motor?

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