Two wattmeter method is employed to measure power in a 3 -phase balanced system with the current coil ...

Two wattmeter method is employed to measure power in a 3 -phase balanced system with the current coil connected in the A and C lines. The phase sequence is ABC. If the wattmeter with its current coil in A -phase line reads zero, then the power factor of the 3 -phase load will be
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Two wattmeter method is employed to measure power in a 3 -phase balanced system with the current coil connected in the A and C lines. The phase sequence is ABC. If the wattmeter with its current coil in A -phase line reads zero, then the power factor of the 3 -phase load will be 0.5 lagging.

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Explain the error occurred due to pressure coil inductance of electrodynamometer type wattmeter. How this error is compensated?

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Description : To measure incident power, you must rotate the coupler detector of the wattmeter so that the arrow indicating power flow points toward which end of the transmission line?

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Capacity utilization - (1) is usually near 100 percent. (2) represents the percent of the labour force that is employed. (3) is a measure of the proportional of the existing capital stock used for current production. (4) rises as the economy moves into a recession, since firms must replace unemployed workers with some other resources to maintain production.

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Last Answer : At a particular instant, the R-phase voltage of a balanced 3-phase system is + 30 V, and the Y-phase voltage is – 90 V. The voltage of B-phase at that instant is + 60 V

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