Answer / sanju

bcoz all the equipments in India are designed according to 50hz frequency supply!

Answer / diapk

Because there is only supply avialable

what are the oils used in transformers cooling? n which type transformer is used in power systems?

1 Answers  

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what are lightning masts?what is their purpose???

1 Answers   Mecon,

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explain the what is a drive ? 0 4 which type motor r use in the celling fan..... PCB plannet 2 13 If stator & rotor of a 3-phase induction motor have different no. of poles, will the motor run or not?? types of drives Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only. ACC 1 41 how the 3phase induction motor is running in 2phase supply with help of capacitor? 1 33 what is the actual difference betwen constructional details and constructional features? 1 20 how does commutator convert a.c to d.c?

0 Answers  

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How cable from Kit-Kat to main switch, from starter to motor are designed?

0 Answers  

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in our sub station why we step down firstly 33kv\11kv then 11kv to 430v. can we direct step down 33v to 430.v.

18 Answers   Eaton, Siemens,

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why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

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why ht motors are star connected?

0 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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hello if any one have papers vof hpcl or sail, plz send me

0 Answers  

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what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY

0 Answers   L&T,

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What is min and max voltage between earth and neutral/phase if it perfect earthing?

37 Answers   Epoch, ISS, ITC Infotech, L&T, Power Works, Statex, Sterlite, Wipro,

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How many types of instrument cables are there?

0 Answers  

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