Answer / shyamkr

when it is open circuited in secondary it can be considered
as a load which simply takes power which is equivalent to
the iron loss in the primary which is almost negligible in
short circuited conditions.

Answer / baskaran.r

A transformer is a link between source and load. as such
it cannot be used as load

what is difference between inductive and reactiveload?

5 Answers   ONGC,

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WHY THE +VE POLARITY OF 48V DC POWER SUPPLY IS USUALLY GROUNDED?

1 Answers   Tulip,

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what is the term of desruptive voltage

5 Answers   Bhel, Energy Infratech,

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

0 Answers  

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i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

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how we can calculate earth fault current?

1 Answers   Alchemist,

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How we calculate the current carriying capacity of the different sizes of Aluminium busbar ?

3 Answers   ABB, Raj Process Equipments, Visa Steel,

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what the main difference of the 3 phase and 2 phase power supply??

3 Answers  

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Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

0 Answers  

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The neutarl to earth voltage in system is 7volts on Electricity power but it lowers to 1.3volts when load transfered to DG power.what may be the reason.

3 Answers  

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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What current flows in the transformer primary when its secondary is open?

0 Answers  

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