The two-wattmeter method gives P? = 1200 W and P? = - 400 W for a three-phase motor running on a 240-V line. Assume that the motor load is wye-connected and that it draws a line current of 6~A. Calculate the pf of the motor and its phase impedance.
What will be an ideal response?
 ANSWER.png)
Trades & Technology
You might also like to view...
Manual calculations for sizing sprinkler piping are done under which of the following circumstances? Select all that apply.
A) When accuracy must be assured. B) Small systems. C) Preliminary design.
Trades & Technology
Which of the following is the proper equation for Ohm's law?
A. R = E ´ I
B. I = E ´ R
C. E = I ´ R
D. E = I
´ R
Trades & Technology
Which of the following is NOT a part of OBD II comprehensive monitoring?
A. catalytic converter operation B. fuel delivery control C. exhaust gas recirculation D. fuel system pressure
Trades & Technology
What Wi-Fi Alliance specification is aimed at making it simpler for end users to share printers and files and synchronize devices?
A. VoWLAN B. Wireless Distribution System C. QoS D. Wi-Fi Direct
Trades & Technology