Answer / majji achita rao

300AMPS , 1 SQM=1AMPS & 300 SQMM= 300 Amps

Draw SLD feeding from the SS up to distribution board of the load, calculate cable size, breaker sizes, and meter for the following case: Ground Floor: electric room, pump room, 5 shops, each is 15 KW First Floor: 5 shops, each is 15 KW Second Floor: showroom 30 KW Service Loads: water pump 3 KW (3ph) , fire pump 3 KW (3ph), and one DB service 12 KW (3ph).

0 Answers   FEWA, HMK,

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when the motor was star position that is running ok but when the motor was delta it was tripped? why?

5 Answers   Nimbus, SEL Manufacturing,

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What do you mean by distribution transformers?

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what is practical efficiency of power transformer..?

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How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

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DC transmission

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why occ characteristics of generator is also called as magnatization characteristics

1 Answers  

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What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

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what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?

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i will applied in 1U-1W on 440 volt primary delta side. what is the result of magtic balance test

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What do you mean by pf of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the pf mentioned on the generator nameplate means?

3 Answers  

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Explain how to determine capacitor tolerance codes?

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