WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES ?
Answer Posted / karthikeyan
because of carona effects
Is This Answer Correct ? | 59 Yes | 6 No |
Post New Answer View All Answers
what is parellel power factor correction?
what is negative d.c. voltage, why this voltage is used in base transciever station.
How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?
how ceiling fan worked?
hello friends.. I have a doubt regarding the operation of dc machines.. I studied in a text book that a dc machine can be used as a generator and as a motor.. is this possible? If so,please send me the info about this topic.. you can also send your info to my mail.
What are m circles?
bus bar design conditions and sizing pls tell me quickly
What are the properties of a resistor?
please send me the previous year's question papers of jindal GET exams
Can you explain about pole discrepancy scheme
how does high earth to neutral voltage affects electronic circuit?
we are going to install a solar PV site and how can we calculate PV Solar Panel Efficiency, can anybody tell me complete method for its calculation.
Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?
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.
EXPLAIN THE TERMS "INTEREST AND DEPRECIATION" AS APPLIED TO ECONOMICS OF POWER GENERATION.