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how to compare with Relay settings for HT< panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps
1259how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?
1137In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes
806An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.
1422Post New Electrical Engineering Questions
How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.
is the value of inductance depends upon the value of thitha in doubly excited machine??
why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?
How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?
Hi Suppose we have a wye/wye transformer which is grounded at both sides,in this situation, do we have ay ground transformer? in other words, ground transformer can do any thing more (while we have nuetral wire in both sides)? As the last question, what about 3rd harmonic? we have two choices: first using wye/delta transformer + ground transformer and second using wye/wye earthed connection.in the former choice, we dont have 3rd harmoonic at the secondary side but what about Yn/yn conection? do we suffer from 3rd harmonic in the Yn/yn connection?
All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?
Whether power factor should be high or low? Why?
Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel
what is gas turbine intercooling ?
IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.
What are the advantages & disadvantages of a group electrive drive?
Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.
i have to install a HT panel, what components, I have to use in this and what will the diagram of that diagram,please tell me each and everything.
for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?
Maintenance of transformer???
