why ct is testing using dc.. y cant we use AC insted of dc
on POLARITY TEST.
- 6 Answers
- 10699 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
AC does not have fixed polarities
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
what is the difference between elcb and rccb ?
block diagram of 2 ups system connected in hot stand by mode?
Describe Non I.S. Earth System and why is it used?
what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
how to calculate single phase motor efficiency ?
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
If UG power cable both ends are to be earthed or what? If not why?
If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.
What is the approximate value of stacking factor?
how to size H.T & L.T Panel ?
what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?
How to test the vector group of a Yd11 transformer? what are the relations to be checked between various vectors to confirm this vector group?
hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
how to calculate insulation level of transformer?
