AC Circuit & Power Analysis using MATLAB SIMULINK

Open MATLAB Simulink, navigate link libraries, and access the Power Systems library. Get a short overview of Simulink and its graphical user interface.

Learn multiple methods to open the MATLAB Simulink library, using the Simulink library browser, the common window, or by creating a new symbol link model to access the library.

Explore the key Simulink libraries: blocks, sinks, and sources to power simulations in electrical engineering, and learn why these libraries are essential for electrical power engineers.

Explore the SimPowerSystems library, reviewing electrical sources, elements, measurements, power electronics switches, and the graphical user interface block for modeling.

Explore how the power graphical user interface block in the simple power systems library stores the equivalent symbol link circuit, represents model equations, and enables error-free simulations in Matlab.

Explore the Simulink workspace by creating and opening models, choosing grid or list layouts, adjusting font size, and adding electrical blocks like AC voltage sources, current sources, and batteries.

Learn phasor relationships for resistors, inductors, and capacitors, showing voltage and current in time and frequency domains, with resistor in phase, inductor current lagging 90 degrees, capacitor leading 90 degrees.

Explore the AC voltage source in MATLAB Simulink, add it to a model, and adjust essential parameters such as peak amplitude, phase shift, and frequency for simple power systems.

Model an ac voltage source with 100 v amplitude, 0° phase, and 50 hz in a two-source lc power branch in matlab simulink; measure voltages with scope and parallel meters.

Explore an ac voltage source with 100 v amplitude and a 90-degree phase shift at 50 hz, observing the second waveform leading by 90 degrees.

Explore the voltage–current relationship in a resistor using a Simulink model with an ac voltage source, current and voltage measurements, and scope visualization of in‑phase waveforms.

Explore the voltage–current relationship of the inductor using MATLAB Simulink, observing waveforms of voltage across the inductor and current through it, where voltage leads current by 90 degrees.

Explore the capacitor's voltage current relation in a MATLAB Simulink circuit, observe that current leads voltage by 90 degrees, and see effects of varying capacitance and a small series resistor.

Review voltage–current relations for resistor, inductor, and capacitor in an ac circuit using a scope; note resistor in phase, inductor lags by 90 degrees, capacitor leads by 90 degrees.

Review the basics of impedance and admittance in ac circuits, and relate voltage and current to the resistor, inductor, and capacitor, including frequency effects and dc limits.

Examine a series ac circuit with a 10 volt source, 5 ohm resistor, and capacitor; calculate the loop current and capacitor voltage using Simulink measurements of magnitude and angle.

an ac circuit with a 20 v source, 4 ohm resistor, and an inductor; compute current magnitude 4.472 a and voltage 8.9 v, noting voltage leads current by 90 degrees.

Explore how to display waveforms of a resistor and inductor using a multimeter in a simulated ac circuit, without external voltage or current measurements, in MATLAB Simulink.

Review the basics of ac circuit analysis using Kirchhoff's voltage law and Kirchhoff's current law, deriving impedance and admittance and illustrating current distribution across series and parallel impedances.

Calculate the input impedance of a circuit with two capacitors, two inductors, and a resistor at a given angular frequency using MATLAB Simulink, obtaining 11.52 ohms and -73.8 degrees.

Design and analyze an ac circuit in MATLAB Simulink, configure a 20 V source with -15 degrees, a 60 ohm resistor, capacitor, and inductor, and measure voltages and currents.

Design an AC circuit in Simulink with a 50 v peak source, capacitor, 10 ohm resistor, and 5 H inductor in parallel, calculate and verify the capacitor voltage using measurements.

Explain instantaneous and average power in AC circuits: p(t)=v(t)i(t), with p_avg depending on the phase difference phi_v minus phi_i; purely resistive load yields P = V_max I_max.

learn to analyze an ac circuit in MATLAB Simulink, compute average power from a 5-volt ac source with a 4-ohm resistor and a capacitor, and compare power across components.

Explore instantaneous and average power in an AC circuit using MATLAB Simulink, visualizing seven signals: the source voltage, loop current, capacitor voltage, and the associated power waveforms.

Design this AC circuit in MATLAB Simulink with a 320-volt source, 45-degree phase, a 3-ohm resistor, and an inductor; compute average power in the inductor and power from the source.

Design and analyze an ac circuit with a 4-amp current source and a 60-volt source, a 20-ohm resistor, an inductor, and a capacitor to study instantaneous and average power.

Review the basics of apparent power, instantaneous voltage and current, and average power in AC circuits; explain power factor, load impedance angle, and behavior of resistive, inductive, and capacitive loads.

Design an ac circuit and compute power factor, average power, and apparent power using MATLAB Simulink, with a 30 V source and resistors and a capacitive reactance.

Design an ac circuit in matlab simulink and calculate power factor, average power, and apparent power for a circuit with an ac source, 1 Henry inductor, and 1/24 farad capacitor.

Review complex and apparent power in AC circuits, including S = V_rms I_rms*, Z = R + jX, and P, Q, and power factor for resistive, inductive, and capacitive loads.

Design and analyze a parallel AC circuit with a 16-volt, 45-degree source at 50 Hz to compute active, reactive, and apparent power and the resulting power factor using MATLAB Simulink.

Analyze parallel and series impedance in an ac circuit, determine current distribution, voltage division, and total apparent power, illustrating conservation of power.

Design an ac circuit in MATLAB Simulink to compute real and reactive power absorbed by the source, transmission line, and load, using given impedances and 50 Hz operation.

Design and analyze an ac circuit with a 120 V, 10° source feeding impedances (60 ohm -30°, 40 ohm 45°) to determine total and impedance-specific power factors at 50 Hz.

Explore a parallel two-load AC circuit, compute active, reactive, and apparent power, and determine total power factor for leading and lagging loads in a 220 V 50 Hz model.

Review basics of power factor correction for an inductive load by adding a shunt capacitor in parallel, aligning currents to improve the power factor without changing the source voltage.

Explore three-phase power analysis in balanced Y-connected systems, including star and delta connections, line and phase voltages, sequence components, and the equivalent circuit in MATLAB Simulink.

Design 1 builds a three-phase voltage source model in simulink by creating three sine waves with phase shifts 0, -120, and +120 degrees, then multiplexing them for scope viewing.

Design and analyze a three-phase y-connected circuit, compute line currents with line and load impedances at 50 hertz, using voltage sources and current measurements in MATLAB Simulink.

Design and analyze a balanced three-phase Y-connected source and load in MATLAB Simulink, computing line voltages and currents at 50 Hz under positive sequence assumptions.

Explore the fundamentals of power in a balanced three-phase system, deriving instantaneous, active, apparent, and complex power from phase voltages and currents, including line quantities and impedance angle.

Design a three-phase circuit in MATLAB Simulink that measures phase voltages and line currents, and calculates active and complex power at the source and load while analyzing the line impedance.

Design a three-phase ac circuit in MATLAB Simulink to calculate complex power at the source and load using phase voltage and current measurements for active and reactive power.