How are calculated the aluminium busbar cross section area?2 5983
Are same transformer be employed for step up and step down services?3 2827
On what basis primary and secondary of a transformer is chosen?2 2278
how to male a d.c bettery to blow a 230v bulb?1 2020
Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.2 4745
Hello, im taking an introduction to PLC..and i'm having a hard time on creating a program for 2 lamps blinking alternately with this button characteristics: 1.) One push button (starts upon pressing) 2.) Same push button (when pressed again, will pause the system) 3.) Same push button (when pressed again, will continue the paused system) 4.) Same push button (when pressed within 2 seconds, will shut off the system) Pls..i know this is just a simple problem for you guys..2 1575
In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail1 1936
In UPFC,What is the need for Dc link ( DC capatior)?1 2536
Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?1 1144
what is basically a pulse transformer?1 4925
whose motors self starting synchronous or Induction motor?give fact reason why not self starting another mother2 2332
How can I known multiplying factor .without multiplying table
trasnfarmaer core make
WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?
what is earth pit , how we can measured it, what earth rods reference
I have 200 KVA Isolation Transformer for UPS input side. & ups was having 48% load, suddenly got short what will be the reason.
Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC
What do you mean by per capita requirement of electrical energy in india
what is meant by twilight switches 7 where its applicable ?
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?
what is the difference b/w ground & virtual ground?
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
how to decide the capacity of accl
How can we design a HVAC Plant room which includes AHU,FCU,Chillers,Cooling towers, Pumps etc & how will they work? any Drawing if possible?
Minimum IR value of 1.1 kv grade 3.5c (300, 240,185,150,120,95,70,50,35,25) sqmm Aluminium XLPE cable and 4c (16, 10,6 & 4) sqmm cu arm cable between RY,YB,BR,RN,YN,BN,RE,YE,BE & NE.
Hi My dear all Friends, There is a question regarding HVAC Engineering and widely used in Power Projects. Question- What is the diffrence Between REF, SEF and Differential Protection....???? Where REF - Restricted Earth Fault SEF - Senstive Earth Fault.