Answer / aboli desale

Cu loss of t/f depends on current & Iron loss on
voltage.There is no effect of P.F. of load on losses &
i/p,o/p.Therefore t/F rating is in KVA.

Answer / ram

the power factor of a T/F is unknown which depends on load
so its rating is given in KVA.

What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2 Answers  

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Any website for objective type questions of electrical engineering ?

4 Answers  

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is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

0 Answers  

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what ll happen if neutral is not shorted with phases while doing transformer short circuit test & what ll happen if neutral is connected to ground?

1 Answers  

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

0 Answers   TATA,

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do you know measure the earth resistance?explain

1 Answers   Dalkia,

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What is stub protection is all about?

1 Answers  

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

0 Answers  

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when is the Ohms law is applicable?

11 Answers   ABB,

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what are the range of memory address in plc for L&T lx7 4A

0 Answers  

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We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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Grid fault level [KA]?

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