Parameters V (V) R I (A) P (W) *S (VA) *Q (VAR) *PF *Angle (0) Power measurement using Wattmeter, Ammeter and 200 R1=ON 0.2 37.5 40 Voltmeter 200 R2=ON 0.1 20 20 200 R3=ON 0.06 12.5 120 Power measurement using Electronic Single phase measurement 200 R1=ON 0.2 39.8 39.8 -0.7 -1 200 R2=ON 0.1 20 20 -0.8 -1 200 R3=ON 0.05 10.8 10.9 -0.6 -1

Parameters V (V) R I (A) P (W) S (VA) Q (VAR) PF Angle (0) Power measurement using Wattmeter, Ammeter and 200 R1=ON 0.2 37.5 40 Voltmeter 200 R2=ON 0.1 20 20 200 R3=ON 0.06 12.5 120 Power measurement using Electronic Single phase measurement 200 R1=ON 0.2 39.8 39.8 -0.7 -1 200 R2=ON 0.1 20 20 -0.8 -1 200 R3=ON 0.05 10.8 10.9 -0.6 -1

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 3.33MCQ: The direct electrical connection of the windings allows transient over voltages to pass through the...

See similar textbooks

Similar questions

The annual load duration curve of a power supply system may be considered as straight line from 40 MW to 8 MW. The load factor of the system is ?
L-type equivalent circuit and parameters for a continuous sinusoidal phase of a 5.5 kW, 1450 rpm, line voltage 220 V and frequency 50 Hz star-connected 3-phase ASM, ignoring core (iron) losses given as follows: R1=0.21 Ohm, R2=0.18 Ohm, X1=X2=0.66 Ohm and Xm=9.9 Ohm How many times the rated current will the inrush current be when the ASM is started directly?
• Zh = 100 ohm • Draw the pu reactance diagram by taking Ut(base) = 132kV, St(base) = 100MVA. If the 33 kV busbar voltage is kept constant at 30 kV and 0.8 inductive 50 MVA power is drawn from this bus, what is the voltage at the synchronous machine ends?
One advantages of load balancing is that each phase conductor carries the ? current value
q1: Discussion of power quality aspects that need to be considered before installing the power factor correction unit
What can you say about the flow of power as a function of time between a balanced three-phase source and a balanced load? Is this true of a single-phase source and a load? How is this a potential advantage for the three-phase system? What is another advantage of threephase power distribution compared with single-phase?
5.5 kW, 1450 rpm. L-type equivalent circuit and parameters for a continuous sinusoidal phase of a star connected 3-phase ASM with line voltage 220 V and frequency 50 Hz are given as follows, ignoring core (iron) losses: R1=0.21 Ohm, R2=-0.18 Ohm, X1=X2-0.66 Ohm and Xm = 9.9 Ohm How many times the inrush current will be the rated current when the ASM is started directly? Answer options group 8.0815 2.6455 4.3763 7.1534 1.2558 6.3414 5.2280 3.7473
4) State the relation between line and phase values of voltage and current for 3-pha se DELTA connected load .state the equation for active, reactive power consumed by 3-phase load.
Explain the concept of power quality and the factors that contribute to voltage sags, swells, harmonics, and other disturbances in a power system.
How does the concept of microgrids contribute to enhancing the resilience and efficiency of modern power distribution systems?
What are the key parameters in power system analysis, such as voltage, current, and power factor?
a) For the 2-Bus AC system given in Figure (a) find V1 (amplitude and angle). All the values are given in p.u. Note: Mind complex power concept! b) For the HVDC equivalent circuit given in Figure (b) calculate V2. All the values are given in p.u.