if reactive power become zero in transmission system then what effect on system.???

3 Answers   Sedemac,

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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.

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what is use of starter motor in DG ?

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What is the current carrying capacity of 35sq.mm flexible cable?

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what is derated current of power cable & what is formule to find derated current?

1 Answers   Thermon,

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

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how the BDV of the oil will be checked using moterised controled HV SET?

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

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Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

3 Answers  

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Dear Sir / Madam, Actually we requied 64 A MCB, But i have 32 A MCB = 2 No's this two i have to make series connection and we usw any place? isit possible or not......

4 Answers   Hindustan Unilever Limited,

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how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.

2 Answers  

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I meggared my 2c*70 sq mm AL AR XLPE cable. its one end show 50 M ohm . is my cable is safe for laying. I have only one phase and neutral.

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