what is the function of commutator in dc motor?3 3209
why odd hormonics only will effect the power system.why not even hormonics1 771
Can any body tell me what is use of END OF LINE RESISTOR in fire alaram circuit?2 4715
what is different between DIGITAL and ANALOG?3 3000
what is the differnce between vector and phasor? are both same or there is difference between two term.?5 8978
(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?1 2232
Why we are measured insulation resistance applied through DC Voltage?3 3377
function of soft starter .2 5260
what is different between DIGITAL and ANALOG?2 2911
why the voltage level is changed when the unearth cable is earth2 3445
When One Phase PT Missing (voltage drop ) this time current is zero of This phase(PT Missing Phase) and current is Not Zero of other Phase but PF is always Low That Why
what happenes if two voltage source connected in parallel will be connected to load.3 11007
hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...
what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks
how can we say that stator magnetic field rotates with synchronous speed?can we derive?
how can decide the current rating of oltc
Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used
Difference between rating factor of cable and derating factor of cable?
what is the mechanism of operation of brushless dc motor why is it more wexpensive then ordinary permanent magnet motors
How to Calculate the Fault Level of Electrical Installation
why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?
How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?
How to design a Unit auxiliary transformer for a power house having a unit of 65 MW and Generating voltage of 11 KV and Secondary voltage of 433V
HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION
If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.
what is circuit recombiner and how it is different from circuit breaker
What is EMC filter in VVVF Drive ?