Answer / perwez

it is a type of distribution system , where the load or
transformer are connected in a ring , when there is a power
failure frm one source the power can be restore frm the
other source in no-time in this type of distrubution a
special unit it connect called RMU( ring main unit)

Answer / tharan

ring.... are two incoming and one outgoing.... if any one incoming source problem r preventive maintenance another circuit we can do on manually....

Answer / revathi

this is one of the type of feeder(over head line) ie ring
main feeder.

what is the relation between frequency and inductive reactance in a d.c supply?

2 Answers   L&T,

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c++ write a program to use a fuction call "max"which accepts an intger arrey of size5.as an arrument and return the larger and smallest of the arrey to main without changing. the original changing of the original position of the element of the arrey.

0 Answers  

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what is units of resistance

3 Answers  

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what is the difference between high impedance & low impedance

1 Answers   L&T,

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why transformer ratings in kva? & DG ratings in kva? & Motor ratings in kw/HP?

0 Answers  

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what is the meaning for va and how it is generated

1 Answers  

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what is the difference between neutral and earth?

2 Answers  

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what is MAR

1 Answers   NCC,

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Define ohm’s law for a.c (alternating current)?

0 Answers  

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why capacitor bank shorted by resistance ( 3 terminal )

1 Answers  

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what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers  

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We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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