Answer Posted / mukesh vaghela
Buchholze relay is gas operating relay when internal fault occurs transformer in transformer like wdg installation damage then oil heat above level and boobles done and go up and its pressure operate buchholz relay. It is only relay which operate before fault occurs in system.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is mean by dual digital protection in the relay field?
i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately
FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?
What it the purpose of parallel phasing transfomers??
Shall I use 40A semiconductor Fuses in 32 A SFU ? Frame size is same. What Happen if Fuses burn on SFU?
Give the topology of current amplifier with current shunt feedback?
in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?
how we can do the insulation on secondary of ct explain and so that tan delta will within limit
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
What happened when capacitor connect series in ac circuit?
Explain cmrr?
what is diff. between earthing grid,earthing mess, earting grid?
What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?
what is the function of bearing in dc mchine" and where it is placed
I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?