Answer / ashish kumar kundu

AC-115 volts of 400 Hz or DC-28 volts
or they used 26 volts AC for lighting purpose

Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 Answers   ABB,

---

If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

0 Answers  

---

can transformer work on dc or not?if we increase the inductance of transformer can it happen to work on dc?

1 Answers  

---

What is the mmf,rgt and ngt please brief completely

0 Answers   cpgn,

---

Explain the role of a car driver as one of a feedback mechanism.

0 Answers   GE,

---

why substation are rated like 11KV or 33KV?

3 Answers   TNEB Tamil Nadu Electricity Board,

---

hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.

0 Answers   Bhel, CVL,

---

1 no. 22 kV feeder is taken from state electricity board. 350 MVA is the S.C. MVA. now i am feeding this feeder to HT Panel having 2 outgoings which further supply to 2 Transformers. Can you please suggest me the type & rating of cables are 3 of these cables same? or they are different? please help...............

2 Answers   TCE,

---

ON WHAT BASIS LOADS ARE CLASSIFIED AS RESISTIVE,INDUCTIVE AND CAPACITIVE LOADS?.GIVE PRACTICAL EXAMPLES FOR EACH

6 Answers  

---

AC covered area by ton calculation

2 Answers  

---

Does all the output contacts (N/O as well as N/C) of a Numerical relay operate when relay receives a binary input/inputs or contacts are designated to specific logic input/inputs and only these contacts operate?

0 Answers  

---

what is difference between 2 pole structure and 4 pole structure in transformer yard

0 Answers   Hospira,

---