A balanced delta load is supplied from a symmetrical 3-phase, 400 V, 50 Hz supply system. The current in each phase is 20 A and lags behind its phase voltage by an angle of 40°. Calculate (a) The line current (b) Total power (c) Also draw the phasor diagram (d) The wattmeter readings if two wattmeters are used

A balanced delta load is supplied from a symmetrical 3-phase, 400 V, 50 Hz supply system. The current in each phase is 20 A and lags behind its phase voltage by an angle of 40°. Calculate (a) The line current (b) Total power (c) Also draw the phasor diagram (d) The wattmeter readings if two wattmeters are used

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.28P: For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be...

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