1.what is bus cuplour and main funtions.
2.what is main function of alternator.
3.how many types of dg oils.
Answers were Sorted based on User's Feedback
Answer / somnath chakraborty
A bus coupler is generally a circuit breaker which helps in connecting one bus to another thereby enabling uninterrupted supply in the event of fault in one bus.Switch over from one bus to another can be done either in auto or manual mode.
| Is This Answer Correct ? | 19 Yes | 0 No |
Answer / murali
Buscoupler is nothing a but a breaker which is medium of
the two source(two I/c) and it operate while absent of
eightr one i/c for uninterruption supply to Load
If Both I/c ON Buscoupler should OFF,
If any One OFF buscoupler should ON
| Is This Answer Correct ? | 18 Yes | 1 No |
Answer / charles
The main function of Bus Coupler is to couple the
busbars.It can also works as protective device.
The function of alternator is to generate power.It will
convert the machanical energy to electrical energy.
Types of DG oils are like 15W40,20W40 etc...
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / dhruv
bus coup. is used to couple two bus basically it is used to
give a continous power to consumer in case there is fault in
one of the bus
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / ali
Bus cuplour is a device use for coupling two bus bar for the purpose of avoiding the interruption to consumers,since one of them(bus bar)are in abnormal condition.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / shri..
Above answer is right
2) The main function of alternator is generate the electric
power.
3)Engine oil have grades example 20W 40W & its depend upon
the engine manufacturar.
| Is This Answer Correct ? | 11 Yes | 8 No |
Answer / suresh
Bus coupler is device it is use like a switch without any
interuption power supply
DG oils 20W,40W its 4types
| Is This Answer Correct ? | 5 Yes | 2 No |
Answer / bathurudeen.m
1.bus cuplour is nothing but the elctrical brekar which
couple the two busbar in electrical PCC. because of this
avoide electrical breakedown in continues plant
2.Alternator is nothing but Produce the energy And then A.c
Converted to D.C
| Is This Answer Correct ? | 4 Yes | 2 No |
when we r using 3.5 cable for a bldg. and put laod on each phase using the neutral and neutral is the return paht for the phase so the current of the neutral must be Ir+Ib+iY (return).But the size of the netural is .5 as comper to the phase.
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i want all question & answers of the written exam
1 Answers Essar, L&T, MES, RRB,
Most electrical terms denoted by first letter of its name but Why current is denoted by "I".
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