Draw a diagram for a UPS that takes in an input of 690Vac 3 phase and a output of 30kVA single phase.

A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?

a resistor and and capacitor are connected in parallel to a 277 v 60 hz power source. the resistor has a value of 50 ohms and the capacitor has a value of 40 uf what is the circuit power factor.

a capacitor and a resistor are connected in parellel to a 120 v 60 hz line the resistor has a resistance of 40 ohms and the capacitor has a capacitance of 132.6 uf what is the total current flow through the circuit. what is the impedence and the power factor and how many degrees out of phase are the current and voltage out phase with eachother.

A load has 50 kw active power with 0.8 power factor to make load power factor with 0.9 power factor. How much reactive power should be supplied by capacitor.

In Figure, R2 is adjusted to 2.8 kQ. Determine the regulated d.c. output voltage for the circuit. LM317 Power Vin Vout Load Supply ADJ R, 240 2 0.1 μF =C, C 1 μF 5 k2 R2 10.75V O 12.83V О 13.75 None of the above

these Questions from ELECTRONICS LAB ,The name of Experement is Op-Amp slew Rate.

A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is.

Q1. The three-phase half-wave converter in Figure shown is operated from a three phase Y-connected supply. Sketch the output voltages appeared at the load for firing angle 15°. a ia = is ΔΤ Vbn an b ib Ven 1T1 vi1 = Ia T3 Ts T4 * T6 ΔΙ iT4 Load Highly inductive load On T5, T6 T6, T1 T1, T2 FLEC T2, T3 T3, T4 T4, T5 ཅ V 0 V. T12 Ts T5, T6 wt

What are the input and output impedances for the circuit shown in the figure?

3-phase transfomer configuration in figure imagen: Ammeter A4 is measuring_______, Ammerter A5 is measuring_____, Ammerter A6 is measuring___, Voltmeter V1 is measuring_____, voltmeter V2 is measuring____, Voltmeter V3 is measuring ______, Voltmeter V4 is measuring_____,Voltmeter V5 is measuring______. A- line voltage B-phase voltage C- meither "a" nor "b" d- both "a" and "b"

A Capacitor filter is used at the output across the load to minimize the ripple factor of the output voltage. If R = 20 02 and the single- phase bridge rectifier is supplied from a 120V - 60 Hz sinusoidal source. Find the capacitor value in millifarads that will maintain the amount of the output ripples to less than 5% 艹 Ce = m2 0 mF RL%

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