what is the significance of per unit impedance ?
Answer Posted / nagaseshareddy.m
significance of per unit impedance is reducing the
complexity of calculation. Zp.u=actual
impedance/baseimpedance
Is This Answer Correct ? | 20 Yes | 1 No |
Post New Answer View All Answers
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
How can you sized or estimate the ligthning arrester current rating?
What should be the magnetic balance test values for a 3 phase delta/star connected single primary dual secondary winding transformer (90 MVA / 2 X 45 MVA TRANSFORMER)
ht side line to earth voltage
What current position are you holding in your current company?
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.
what is cogging and crawling
when 20hp 3 phase motor start no load condition in star or delta connection.find current and write formula.(tariq)
what do you mean by class PS CT and what are technical details needed for calculating it?
I want to make street light with solar system ... What may I do for procedure and how much of estimation for each material ... If any one knows guide me and inform this id : aravindd7@gmail.com
What is the meaning of C1, C61, C91 cable
what is dry and wet frequency withstand voltage? why & where it is used??
I need bhel electrical test pattern & paper
How to test REF relay testing for LV panel as per Kahramaa standard?
What is size 00, 01, 1 etc., in HRC fuse types?