Answer Posted / muthukumar
the cosine of the phaseangle between voltage and current
| Is This Answer Correct ? | 2 Yes | 2 No |
Post New Answer View All Answers
for what voltage will reactive power be largest in 380 kv line : a) 375kv b)380kv c)385kv
how does grading rings & spacers in transmission line works? Working Principle?
concept of busbar and load dispatching..?
what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??
how oti and wti connections are different from each other?
How to Calculate Current Rating of SDFU (Switch Disconnector Fuse unit) for Protectionof Capacitor Bank connected to Busbar of 800Amp,in LV side of 11/0.433KV, 250KVA Transformer?
What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?
Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not
neutral earth resistance testing is it possible for transformer while in load condition
1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.
A d.c. Shunt motor is found suitable to drive fans because they require?
How to calculate Voltage regulation of 22 KV Over head Line.
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in