Which of the following capacitors or combination of capacitors could be used to replace a 45-microfarad, 370-volt running capacitor? 40 microfarad, 440 volt 30 microfarad, 250 volt 30 microfarad, 370 volt 15 microfarad, 440 volt

A  12V 50 Hz signal has what instantaneous voltage at 15ms?  Enter only numerical portion of your answer.

14.Ceiling voltage of the excitation system is twice the normal excitation voltage. Select one:? O True O False

You are a journeyman electrician working in an industrial plant. A 480-V, three-phase, 60-Hz power panel has a current draw of 216 A. A three-phase wattmeter indicates a true power of 86 kW. You have been instructed to reduce the current draw on the panel by adding three 400-µF capacitors to the system. The capacitors are to be connected in wye. Each capacitor will be connected to one of the three-phase lines. What should be the current flow on the system after the bank of capacitors is added to the circuit?

Which of the following capacitors or combination of capacitors could be used to replace an 88-microfarad, 250-volt starting capacitor? Select one or more: A. 150 MICROFARAD, 250 VOLT B. 180 MICROFARAD, 330 VOLT C. 180 MICROFARAD, 250 VOLT D. SERIES E. PARALLEL F. 150 MICROFARAD, 120 VOLT

A 200 – ohm resistor, 130 millihenry inductor, and a 66 microfarad are placed in parallel across a 120 – V, 60 – Hz AC line. Calculate the following: a.) RESISTOR CURRENT b.) INDUCTOR CURRENT c.) CAPACITOR CURRENT d.) TOTAL CURRENT e.) PHASE ANGLE f.) TOTAL IMPEDANCE DRAW THE PHASOR DIAGRAM IF POSSIBLE AND ROUND OFF TO FOUR DECIMAL PLACES.

A 240V, 50Hz supply feeds a highly inductive load resistance through a thyristor bridge that is: 1) half-controlled 2) fully-controlled Calculate load current, power and power factor for each case when the firing angle delay = 45 degrees

q24   Match the following   choose the correct answer Electromagnetic interference .controls voltage at all level scarry inrush current for short period disturbance of frequency around 10MH zzoning regulations shunt or series capacitors High voltage DC Transmission prevents complete shutdown cost of insulation is more Reactive power compensation .controls voltage at all level scarry inrush current for short period disturbance of frequency around 10MH zzoning regulations shunt or series capacitors High voltage DC Transmission prevents complete shutdown cost of insulation is more Tap changing transformers . .controls voltage at all level scarry inrush current for short period disturbance of frequency around 10MH zzoning regulations shunt or series capacitors High voltage DC Transmission prevents complete shutdown cost of insulation is more Single bus bar with sectionalisation ...controls voltage at all level scarry inrush current for short period disturbance of…

Three Identical capacitors are connected in star to 435 volts, F = 50 Hz, 3 phase supply. If the line current is 38 A. Find the following below:     Phase Voltage, VP in Volts Phase current, Ip in A Capacitive Reactance, Xc in ohms The capacitance of each capacitor, C in Farad