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.

why the name trunking bus PT

0 Answers   Siemens,

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in 33KV or 66KV system which connection is aviable on high voltage transformer primary delta or star ?

3 Answers  

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why the inserting resistance in wound rotor induction motor decrease the starting current and increase the starting torque

2 Answers  

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A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.

0 Answers   VECL,

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in electric lamp what is ballast. y its needed to start & stop lamp. what is ballast ckt.

0 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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How to calculate flow of water delivered by pump when pressure & size of pipe line is given

0 Answers   Knight Frank,

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eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?

3 Answers   Ecil,

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What is Ton Capacity of Air Conditioner?

1 Answers   TATA,

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

0 Answers  

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What are the types of relay ?

3 Answers  

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In the diesel generator if there is an AVR (auto voltage regulator) gone faulty, in this condition is there any way to generate the voltage from the alternator? I need a brief explanation can you please help somebody

1 Answers   Vodafone,

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