how many types of colling system it transformers?
Answer Posted / sukhvinder
1. ONAN (oil natural,air natural)
2. ONAF (oil natural,air forced)
3. OFAF (oil forced,air forced)
4. ODWF (oil direct,water forced)
5. OFAN (oil forced,air forced)
Is This Answer Correct ? | 39 Yes | 5 No |
Post New Answer View All Answers
Name a govt approved university which have 100% online engineering course.
what is the difference between an alternator and a synchronous motor
what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that
What is the comparison of PILC and XLPE cable
1.what is difference in maintain Hz again Hz in USA ? 2.how to calculate the battery AH? 3.why are yearly maintained in transformer how many tests in required?
how external lighting design? please give examples?
What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?
What is meaning of out of phase (making & breaking) capacity And how to calculate
is it value of power factor is more than unit. whats effects in the source supply
I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF
Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com
sir i applied for hpcl(electrical).i want to know from which subjects most of the technical que will b asked.and pattern of the written test.pls help me
PLZ EXPLAIN CORONA,SKIN,BIRD PALE,SPAN,SAG Effects of power cable.
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to reconfirm its base capacity.
advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor