What is the power factor
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- Two wattmeters were connected to measure the power of a balanced 3-phase load. If the readings were 716.507 w and 283.494 w, what is the total reactive power of the load is in vars.Two wattmeters are connected to measure the input power to a balanced three-phase load. If the wattmeter readings are 9.3 kW and 5.4 kW determine (a) the total output power, and (b) the load power factortwo wattmeters are connected to measure the input power to a balanced 3-phase load by two wattmeter method, If the total power input is 12kW, and the load power factor is 0.866(lag) determine the instrument readings.
- A three-phase load with 1.4 MVA and 0.79 leading power factor is connected to a 13.47 kV grid. What is the magnitude of the current of this load in Ampere?2/When the two wattmeter method is used to measure the Input Power of a balanced star connected load, the readings on the wattmeters are 9 KW and 5 KW. The connections to current coil and voltage coil on the meter reading 5 KW, have been reversed. a) Draw the circuit diagram which illustrates the above problem b) Determine the total input power c) Determine the load Power Factor.Two-watt meters are connected to measure the input power to a balanced three-phase load. If the wattmeter readings are 9.3 kW and 5.4 kW, determine (a) the total output power, and (b) the load power factor. Answers in magnitude form.
- Two wattmeters are connected to measure the power consumed by a 3-phase balanced load. Oneof the wattmetters reads 1800W and the other 800W. Find the power factor of the load, whenI. Both the readings are positive, andII. When the reading of the second wattmeter is obtained after reversing its current coilconnection.In the balanced three-phase circuit shown, the current coil of the wattmeter is connected in line aA, and the potential coil of the wattmeter is connected across lines b and c. Show that the wattmeter reading multiplied by 3 equals the total reactive power associated with the load. The phase sequence is positive.A balanced purely resistive delta load has a phase voltage of 208 v and line current of 24.65 A. What is the total real power of this load in kW?
- Two-watt meters are connected to measure the input power to a balanced 3-phase load by the two-wattmeter method. If the instrument readings are 8 kW and 4 kW, determine the total power input and the load power factor.Obtain the readings of two wattmeter’s in a three-phase, three-wire system having effective line voltage of 240 V. The load is a balanced delta connected load impedance of 20 cis 80° ohms. * A. -1706.05 W B. -1533.44 W C. -1398.47 W D. -1126.55 WTwo wattmeters were connected to measure the power of a balanced three phase load. If the readings were 622 Watts and 402.6 watts, what is the total reactive power of the load is in VARS.