why transformer rating comes in kva?

4 Answers   HNG, Tech Mahindra,

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How to put breaker in service / test position.

1 Answers   KSEB, L&T, Siemens,

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Please brief working principle & construction of permanent magnet AC Servo motor

0 Answers   DRJ ARDE,

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upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.

0 Answers   ABC,

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1.wat is the advantage of induction motor? 2.wat is diffrence between 1-phase and 3-phase induction motor?

2 Answers  

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Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 Answers  

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i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

5 Answers   EEE, TCS,

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how can i determine the KVA/MVA rating of transformer precisely?? is there any standard test?????

0 Answers  

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how to calculate circuit breaker capacity

6 Answers   Siemens,

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how much leakage current is allowed in MC61A L&T make relay?

0 Answers   Siemens,

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transmission line losses

1 Answers   SVS Constructions,

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How many types of probe used in cro?

0 Answers  

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