An example power system has two distinct manufacturing areas, one with harmonic loads, and another with only linear loads. The portion of the system with the harmonic loads draws 75 A rms at 60 Hz, 10 A rms at 300 Hz, and 5 A rms at 420 Hz. The part of the system with only linear loads draws 75 A rms at 60 Hz. (i) What is the total load current (at 60 Hz) if both manufacturing plants are running? Calculate the THD. (ii) What is the total load current (at 60 Hz) if only the manufacturing plant with harmonic loads is running? Calculate the THD.

An example power system has two distinct manufacturing areas, one with harmonic loads, and another with only linear loads. The portion of the system with the harmonic loads draws 75 A rms at 60 Hz, 10 A rms at 300 Hz, and 5 A rms at 420 Hz. The part of the system with only linear loads draws 75 A rms at 60 Hz. (i) What is the total load current (at 60 Hz) if both manufacturing plants are running? Calculate the THD. (ii) What is the total load current (at 60 Hz) if only the manufacturing plant with harmonic loads is running? Calculate the THD.

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

Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in Figure 2.27. (a) Obtain expressions for P12 and Q12. (b) Determine the maximum power transfer and the condition for it to
Define the concept of "harmonic distortion" in power systems. What are the sources of harmonics, and how do they affect the quality of electrical power?
A chopper circuit drives an inductive load from 390 DC supply. Given the load resistance as 8 Q, the average load current as 23 A and operating frequency is 480 Hz. When the chopper is ON, 7 V is dropped. Calculate (a) conduction period (in milliseconds) (b) blocking period of the chopper (in milliseconds) (c) duty cycle of the chopper (d) draw the ON and OFF time period waveform (ii) Draw the circuit diagram of the single phase bridge rectifier which is used in two quadrant operation (RL load) and explain its operation.
Construct the circuit in Figure 1 in the Circuit JS simulator. Note that the voltage source is given in RMS. Within Circuit JS while defining the max voltage of the voltage source include “rms” after the number to tell Circuit JS that this is a rms value. Also note that there are additional parameters when instantiating a transformer in Circuit JS. Leave these at the default values. Additionally, transformers may have problems simulating in Circuit JS. Answer the following: 1. From the simulation results, determine the power dissipated in R2 and compare to the expected value from the previous section.2. Change the transformer ratio (“Ratio” as a fraction when you “Edit…” the transformer component) to the value calculated in the previous section to provide maximum power transfer in R2. Note: In Circuit JS, Transformer Ratio = Primary/Secondary.3. Rerun the simulation, calculate the power dissipated in R2 and compare to the expected value from the previous section.4. Change the…
Q2) A 3-phase, half-wave thyristor converter is connected through a voltage source 150 V as input voltage and used to supply resistive load of 10 2. Determine rsm voltage, rms current, ripple factor and dissipated power in the resistor R. If a = 45° and f = 50 Hz. %3D
Q1. following: For the circuit shown in figure (a). Let V1 = 10Vms, frequency 10KHZ. Draw the A. Impedance diagram. B. Voltages phasor diagram. C. Current phasor diagram. D. Measure the voltage across R1,R2, Vin, and the inductor using the ocillscope using PROTEUS software. E. Measure the voltage in R1, R2, and the inductor using DMMby using PROTEUS software. F. From the above measurments verify your result. R2 1K V1 VSINE R1 L1 2K 1000M
The step down DC chopper uses DC source voltage V(dc) = 200 V and resistive load impedance of 10 ohm. The duty cycle is 0.4 the voltage drop across the switch may be taken as zero, Calculate : (a) Average and RMS value of output voltage. (b) Average and RMS value of output current.
Choose the supply voltage for a step down chopper circuit which drives the resistive load 4.80 with average load current 32.4A for a duty cycle of 0.4. O a. 2624.400 O b. 777.600 O c. 48.000 O d. 388.800
One side of a transformer has What is the voltage (in V rms) at the secondary? 1,800 turns while the other side has 450 turns. The high voltage side is connected to a 240 Vrms source. The low What is the current (in A rms) at the secondary? What is the current (in A rms) out of the source? What is the value of the load impedance when referred to the primary? • Referred impedance = voltage side (secondary) is connected to an impedance ZL = 20 + j10 Q. Provide at least 4 digits after the decimal point. +j_ N What is the value of the source voltage (in V rms) when referred to the secondary?
I just got confused with the unit. Why is it mW? And not just W? Or maybe this solution is wrong? I based it off a youtube video. Please, I need clarification as whether the unit is just "W" or "mW".
The temperature of a noninductive heater unit is controlled by a reactor. The heater unit and the reactor are connected in series across a 250 V, 60 Hz source. The voltage across the heater unit is 200 V. The voltage across the reactor is 100 V. The current in the circuit is 10 A. Determine: the power factor of the series circuit. the power factor of the reactor. the impedance of the reactor. the effective resistance of the reactor. the inductive reactance of the reactor
١-The PMSM used in the industry due to: a- Their low noise. b- Their easy control arrangement. c- Their efficiency. 2- The BLDCM used in the industry due a- Their low noise. b- Their easy control arrangement. - Their efficiency. 3- The (PMSM) supplied by: a- DC voltage. b- AC voltage of sinusoidal waveform. C- AC voltage of trapezoidal waveform. Choices