Answer / shiddappa

static switch is an electronic switch that is usualy built
silicon controlled rectifiers or scrs
its use in ups systems

Advantages/Disadvantages of earthing of neutral bus on MSB instead of separate neutral earthing for transformer/DG sets feeding to MSB

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what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

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Why do we have 110V, 230V, 415V etc. in electrical transmissions? Why not 100V, 200V,400V?

4 Answers  

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i want to apper for apgenco or aptransco or related can any one sugest me where can i get previous papers of thouse exams

0 Answers  

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

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why industry prefer ht motor instead of lt motor.

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1. what is the power factor of a purely inductive load? (i) Zero (ii) Lagging (iii)Leading (iv) Unity 2. which type of transformer connection is preferred in case of power supply transformer? (i) Star/Star (ii) Delta/Delta (iii) Star/Delta (iv) Zig Zag/Star

2 Answers  

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What is the need for checking knee point voltage for CT's?

1 Answers  

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i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.

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what is the diff. btwn. electronic regulator and ordinary rheostat regulator for fans?

3 Answers  

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inductance and capacitance may result in periodic reversals of the direction of energy flow,how???

1 Answers  

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