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Core - Electrical Engineering

    Chapter 6

    AC Circuit Analysis

    6.1 : Sinusoidal Sources01:18

    6.1 : Sinusoidal Sources

    Direct current refers to unidirectional current, whereas alternating current refers to current that reverses its direction periodically. Alternating ...

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    6.2 : Graphical and Analytic Representation of Sinusoids01:20

    6.2 : Graphical and Analytic Representation of Sinusoids

    Analyzing two sinusoidal voltages on an oscilloscope with equal amplitude and period but different phases involves three steps. First, the peak-to-peak ...

    372 views
    6.3 : Phasors01:12

    6.3 : Phasors

    Phasors are complex representations of the sinusoids where the magnitude of the phasor equals the amplitude, and the angle equals the phase measured from ...

    488 views
    6.4 : Phasor Arithmetics01:13

    6.4 : Phasor Arithmetics

    Consider a sinusoid and its corresponding phasor. The derivative of the sinusoid in the time domain equals its phasor multiplied by j-omega in the phasor ...

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    6.5 : Phasor Relationships for Circuit Elements01:16

    6.5 : Phasor Relationships for Circuit Elements

    The voltage-current relationship for the resistors, inductors, and capacitors can be transformed from the time domain to the phasor or frequency domain ...

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    6.6 : Kirchoff's Laws using Phasors01:12

    6.6 : Kirchoff's Laws using Phasors

    Consider a household circuit where an AC power supply from the distribution panel is wired to appliances in parallel. Analyzing an AC circuit involves ...

    389 views
    6.7 : Impedances and Admittance01:23

    6.7 : Impedances and Admittance

    In AC circuits, the passive elements - the resistor, the inductor, and the capacitor - are characterized by the phasor voltage and current. Impedance is ...

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    6.8 : Impedance Combination01:21

    6.8 : Impedance Combination

    Consider a string of christmas lights, where each bulb represents an impedance. This series arrangement of impedances ensures a uniform current across ...

    390 views
    6.9 : Node Analysis for AC Circuits01:14

    6.9 : Node Analysis for AC Circuits

    In the rotablator angioplasty system, the turbine causes the rotation of the catheter burr, which aids in removing plaque deposits from coronary ...

    287 views
    6.10 : Mesh Analysis for AC Circuits01:12

    6.10 : Mesh Analysis for AC Circuits

    In radio communication, an impedance-matching circuit aligns the radio transmitter and receiver impedance. Consider a basic impedance-matching circuit ...

    338 views
    6.11 : Source Transformation for AC Circuits01:11

    6.11 : Source Transformation for AC Circuits

    Consider a circuit composed of a current source and a combination of resistors, capacitors, and inductors with known impedance values. The aim is to ...

    527 views
    6.12 : Thévenin Equivalent Circuits01:18

    6.12 : Thévenin Equivalent Circuits

    The household power distribution system, encompassing distribution lines and transformers, serves as the primary network. Electrical appliances within a ...

    242 views
    6.13 : Norton Equivalent Circuits01:16

    6.13 : Norton Equivalent Circuits

    Norton's theorem states that any two-terminal linear network can be replaced by an equivalent circuit consisting of a constant current source in ...

    340 views
    6.14 : Superposition Theorem for AC Circuits01:13

    6.14 : Superposition Theorem for AC Circuits

    Consider encountering a circuit in a steady state where all its inputs are sinusoidal, yet they do not all possess the same frequency. Such a circuit is ...

    615 views
    6.15 : Op Amp AC Circuits01:18

    6.15 : Op Amp AC Circuits

    In an audio system, the filter circuit processes the amplified audio signal from an amplifier, strongly attenuating the signal components with low ...

    184 views
    6.16 : Design Example: Capacitance Multiplier Circuit01:20

    6.16 : Design Example: Capacitance Multiplier Circuit

    In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls ...

    704 views
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