what happens when back feeding supply accidently collapses
with normal supply ??? How??
[that is sometimes in a substation 11kv feeder if their ws
long time permit work, back feeding supply will provide from
nearest substation... if accidently after the permit
work,they charged the feeder without removing back feeding
wat will happen...?]
Answer Posted / suresh kumar
There will be phase to phase short circuit fault & the
circuit breaker(VCB/OCB) installed will get tripped on both
sides supplies. This may result in heavy damage to contacts
points & breaker parts
Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
Compare salient pole and cylindrical rotor machines.
Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt
0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz
clarify types of motor operated valves and advantages
Y phase plates are used in transmission line??? what is there need???
how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable
Load break swicth maintenance procedure.
As per standard, transformer body earthing and other Equipment earthing (Equipment earthing) did not connect. but in LT side termination we are doing metal glanding in both side Transformer to PCC Panel through armoured cable, now X'mer body earthing and PCC Pane earthing (Equipment earthing) both are connect.is this safe for X'mer or other equipment?
Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.
What is EMC filter in VVVF Drive ?
I FINISHED MY B.TECH IN EEE . I AM IN NEED OF A GOOD TRAINING INSTITUTE TO DO COURSES .. CAN ANYONE SUGGEST GOOD CENTRES IN TAMILNADU ,BANGALORE ,OTHER AREAS???????
I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com
how we will deside the high voltage value
if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .