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Life Interactive UPS Systems
The block diagram of lien integrative UPS is shown in figure when the main supply is ON static switch remains closed and load is connected to mains through an inductance L. In this condition the battery bank the DC through inverter which is used in as charger now.
Under the condition of power failure the main static switch becomes open. In this condition the battery bank supplies the power to the load through the inverter.
Explain the significance of V number. Ans: V number or V parameter or normalized cutoff frequency is one of the parameter which is used to calculate the maximum number o
Shunt DC motor In this arrangement, the armature and field coils are connected in parallel (the motor is called 'shunt connected'). Analysis With refere
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The present window that is being used.
Q. Show a block diagram of a 4-bit, parallel-input shift-right register and brie?y explain its operation.
Ask question #how to construct thunderstrom detector with circuit breaker.
explain the proprty and the application of carbon and tungsten in lamp?
1. (a) Consider a sinusoidal signal m(t) = A cos(2 Π f m t) applied to a delta modulator with step size . Determine the range of the step size so that slope overload will be avoide
Q. A three-phase, 600-kVA, 2300:230-V,Y-Y trans-former bank has an iron loss of 4400Wand a full-load copper loss of 7600 W. Find the efficiency of the transformer for 70%full load
Q. A coaxial cable with polyethylene dielectric (ε r =2.26) connects an antenna to a receiver 30maway. Determine the velocity of wave propagation in the cable and the delay of the
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