A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED MW85OWA 71NNBO0010 1.2 Kw MICROWAVE (U as MANUFACTURED: NOMEMEER-2000 MADE IN KOREA SEC FCC ID: THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J. A3LMW850 Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. a) Find the instantaneous current drawn from the source when plugged in. b) Find the equivalent impedance of the microwave as seen by the source. c) Find the reactive power supplied by the source and draw the power triangle showing all power components.

A microwave with ratings shown in Figure 2 is being supplied with a single phase 120 VAC, 60 Hz source. SAMSUNG HOUSEHOLD MICROWAVE OVEN 416 MAETANDONG, SUWON, KOREA MODEL NO. SERIAL NO. 120Vac 60HZ USTED MW85OWA 71NNBO0010 1.2 Kw MICROWAVE (U as MANUFACTURED: NOMEMEER-2000 MADE IN KOREA SEC FCC ID: THIS PRODUCT COMPLIES WITH DHHS RULES 21 CFR SUBCHAPTER J. A3LMW850 Figure 2 Given that the device is operating at rated conditions and has a power factor of 0.8 lagging. a) Find the instantaneous current drawn from the source when plugged in. b) Find the equivalent impedance of the microwave as seen by the source. c) Find the reactive power supplied by the source and draw the power triangle showing all power components.

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

See similar textbooks

Similar questions

Which termination would result to a phase change of 180 degrees at the load if Zo = 100 ohm? a. 50 ohm b. short circuit c. 75 ohm d. all of these What is the purpose of impedance matching? a. maximum return loss b. maximum SWR c. maximum load power d. maximum reflection A short piece of transmission line that may be open or shorted and used for impedance matching purposes. a. converter b. decoder c. stub d. transformer
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 inrush current will be the rated current when the ASM is started directly?
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?
A circuit feeding a single-phase load of 2.75 kW at 0.85 power factor and 240 V at an ambient temperature of 55°C by means of a 27 m single-core PVC insulated cable run in conduit along with another circuit. 1) Determine the installation method 2) Compute the circuit design current (/g) 3) Determine the nominal current (Za) of the circuit breaker 4) Find the temperature correction factor (C;) and adjust current for temperature 5) Find the grouping correction factor (Cy) and adjust current for grouping of cables 6) Select cable size and determine its current carrying capacity (/z) 7) Check voltage drop (V.D.) and correct cable size if V.D. > 6 V
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 ?
The feeder demand load for four 14 kW residential ranges is _____? [Reference Table 220.55 and Note 2]
10.a. Imagine that you're installing the electrical service to a pool. In this situation, any electrical equipmentwithin _______ feet of the pool must be grounded.A. 6B. 12C. 9D. 510.b. The installation of an intersystem bonding termination has been a National Electrical Code requirementsinceA. 2008.B. 2014.C. 2017.D. 2005.
q1: Discussion of power quality aspects that need to be considered before installing the power factor correction unit
Is it possible to measure the phase-shift angle in an AC single-phase circuit by an indirect method using an ammeter and a voltmeter? - Yes, but an instrument must be added to measure the active resistance of the load. - Yes, but an instrument must be added to measure the active power dissipated by the load. - Yes, but an instrument must be added to measure the frequency.
The following data were obtained from a short-circuit test performed upon a 50 kVA, 2300/115 V, 60 Hz transformer: Esc = 87 V, Isc = 21.75 A, Psc = 590 W. Calculate (a) equivalent resistance, reactance and impedance referred to the primary, and (b) voltage regulation at a power factor of 0.866 lagging. Subject: Electrical Apparatus and Devices
If a 50 ohm quarter-wave impedance converter is used to match a 60 ohm transmission line to an unknown load impedance, what is the load impedance in ohms?