3phase motor can be used as a Prime mover for alternator.

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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 the star delta connetion and how can do it a three phase motor with control witing with picture

0 Answers   Aurobindo, SA Kent, Wipro,

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A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

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how to calculate the output power of vfd , please help me.

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how we calculate the motor rating of pump for water suction ?its any formula for that plz give thank u

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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List some examples of renewable energy?

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what is full form of lv and mv? 2.while we connect capacitor to generator what will cause for it?

4 Answers   ABB, Wireman,

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What are the conditions to be satisfied for parallel operation of dc generators?

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how we decide the require size is this for a known current at fuu load?

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What is the formula to calculate the no load current of a single & three phase induction motor

0 Answers   HCL, Nokia,

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