What is the difference between Isolator annd Circuit Breaker.
ABB, Lanco, NTPC, Power Grid, RInfra,
21 72064If I fill the form of engineering services and I left the exam de to navoidable reasons . Will it counts my one attempt
2 3709what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply
2 7421in a transmission line the aluminium cor is sarrounded and in between there is a another type of matrial what is that?
7 5781We have a bank capacitor rating of 60 KVAR for a overall load of 160 KVA and we have connected three loads of 50KVA each. We would like to auto matically correct PF using APFC. How do we design it?
2 6366I am applying for NTPC examination.Can we please provide previous paper to my mail prasad.chintala108340@gmail.com
1731what is a diffrence between MCCB, RCCB, MCB, & ELCB ? what is rated current e.g. on motor name plate indicated that is rated curent? what is full load current? If we run D.C. motor with mechanical coupling and we measure voltage on terminal it shows voltage or not ? same in AC also possible ?
5 13767Post New Electrical Engineering Questions
why 15 kw motor winding resistance is low then 5 kw motor winding resistance?
how to electrically make connection to ferroli GN2N?
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
what is the difference between droop mode and ischnorous mode in thermal powerplant?
How to maintain ac plant?
model question paper for supervisor trainee
What is the differance between 2 dc motors of armature voltage 660 v and 440 v?
Can any one know what are the symbols at the down (below) the analog ammeter??? there are 4 symbols which are they ?????
why ten delta testing is carried out on power transformer
why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?
Why is a plain induction motor unsuitable for wide speed control?
sir i have cleared the apti test of EIL held on 15th march and my interview will be in new delhi on 2nd june.i will be very much helpful if u help me regarding the type of interview questions comes at EIL.(URGENT.........PLZZZZZZZZZZ...............)
What is the suitable transmission voltage?
1- What is the Polarization Index number be good for 15KV 3c#500MCM electrical cable? 2- Can I use the IEEE Std 43-2000 to perfom the PI test? Thanks
Explain in brief description about the operation of DG sets.