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Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.
2 6832i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work
3 5775what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???
1 4175what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??
7 30796in thermal power plant the steam produced is made to cool after falling on the turbine blades. my question is why this is done while the same is needed to heat up again. "jab pani ko wapis garam hi karna hai to thanda kyu karte hai"
Bhel,
11 18018how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
3258We are having Chemical earthing pit the voltage between neutral to earth showing 22V how to solve that
4 7620if transmission voltage expressed as the multipple of form factor(1.11)........11,33,66,220 etc......then why madakkathara substation(kerala) voltage is 400kv..not 440.....?
KSEB,
2 7531Post New Electrical Engineering Questions
Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?
How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?
How To Convert Apparent Into Real Power Without Knowing Reactive Power?
1. If 8.35%Z means the percentage impedance of 132kV-line from power company, we will like to confirm its base capacity?
why burdens of VTs is more than CTs?
How can a equal potential zone be carried out in conductors?
What OPGW is better than Microwave or PLCC???
why we testing the core balance of the transformer before comissioning?
How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?
Starting Time of LT & HT Motor
WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?
hi friends this is a newcomer in your community of enthusiastic peoples. i am preparing for SSC (CPWD JUNIOE ENGG EXAM FOR ELECTRICAL) pls guide me on the same how to crack it? PLS LET ME KNOW IS ANYONE THERE WHO PASED IT? CAN I GET THE QUESTION PAPERS OF PREVIOUS EXAMINATIONS?
actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.
