why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

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why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?

2 Answers  

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What is the typical power circuit configuration of a VVVF Drive ?

1 Answers  

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HOW TO CALCULATE THE APFC Panel Design

1 Answers  

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is IS says that neutral should be brought to switch box. and this one is a recomended practice

0 Answers   Sterling Wilson,

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What will be the output of an alternator ,if the field current is single phase ac supply.

1 Answers   DRDO,

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list of tests to be carried out at manufacturers end while purchasing a step up transformer of 11kv to 66kv ,2MVa Capacity.

0 Answers  

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where we use stardelta starter and dol starter

4 Answers   HCL,

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how to calculate the capacitor to maintain power factor?

0 Answers   Bosch,

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difference between moore and mealy model

2 Answers   Google, IBM, TCS,

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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What is the Difference Between the SCADA & PLC ? Both it also control and Supervise Then what Special in Scada & PLC?

1 Answers  

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