AC Circuits for Robotics ELEX 2205

Learning Outcomes

Upon successful completion, the student will be able to:

DC APPLIED TO CAPACITORS AND INDUCTORS

• Analyze the electrical parameters of capacitors and inductors in a pure DC environment.
• State effect of capacitor parameters on capacitance and working voltage.
• Calculate energy stored in capacitor.
• Calculate values of capacitors in series and parallel.
• Calculate values and sketch graphs of V against time, and I against time, for steady DC current through capacitor.
• State effect of inductor parameters on inductance.
• Calculate energy stored in inductor.
• Calculate values of inductors in series and parallel.
• Calculate values and sketch graphs of V against time, and I against time, for steady DC voltage across inductor.

SINUSOIDAL WAVEFORMS

• Apply knowledge of trigonometry and complex algebra to the analysis of AC voltages and currents.
• Calculate instantaneous, average, and RMS values for AC waveforms.
• Draw and interpret phasor diagrams for two or more sinewaves.
• Measure phase angles with an oscilloscope.

R-ONLY, C-ONLY, L-ONLY, CIRCUITS

• Analyze and measure the response of AC voltage applied to single pure electrical circuit parameters.
• Calculate V, I, P, R and draw phasor diagrams for R-only circuits at any frequency.
• Calculate V, I, Q, XC, BC and draw phasor diagrams for C-only circuits at any frequency.
• For a capacitor, calculate XC and BC from measured values of V and I at any frequency.
• For a capacitor, measure the phase angle between V and I at any frequency.
• Calculate V, I, Q, XL, BL and draw phasor diagrams for L-only circuits at any frequency.
• For an inductor, calculate XL and BL from measured values of V and I at any frequency.
• For an inductor, measure the phase angle between V and I at any frequency.
• Measure power in an AC circuit using a wattmeter.

SERIES RL OR RC CIRCUITS

• Analyze and measure the response of series RL or RC circuits when AC voltage or current is applied.
• List the three basic characteristics of any series circuit.
• Calculate V, I, S, P, Q, phase angle, power factor; draw phasor, impedance and power diagrams for any series RL or RC circuit.
• Measure V, I, P, and phase angle in a series RL or RC circuit.
• Draw the series equivalent circuit for a practical inductor. Calculate Q of an inductor.

PARALLEL RL OR RC CIRCUITS

• Analyze and measure the response of parallel RL or RC circuits when AC voltage or current is applied.
• List three basic characteristics of any parallel circuit.
• Calculate V, I, S, P, Q, phase angle, power factor; draw phasor, admittance and power diagrams for any parallel RL or RC circuit.
• Measure V, I, P and phase angle in a parallel RL or RC circuit.
• Measure equivalence between series and parallel RL or RC circuits.
• Calculate values and draw diagrams for parallel circuits with practical inductors.
• Convert between series and parallel RL or RC circuits.

RLC CIRCUITS

• Analyze and measure the response of series, parallel, and series-parallel RLC circuits when AC voltage or current is applied.
• Calculate V, I, P, phase angle; draw phasor, impedance and power diagrams for series RLC circuits. Determine an equivalent series RL or RC circuit at a given frequency.
• Calculate values and draw diagrams for parallel RLC circuits. Determine an equivalent parallel RL or RC circuit at a given frequency.
• Calculate values in series-parallel RLC circuits.
• Calculate power factor and apply power factor correction techniques to AC loads.
• Measure and improve power factor.

THREE PHASE CIRCUITS

• Analyze three phase circuit configurations.
• Describe the generation of three phase power.
• Distinguish between three phase sources: 3-wire wye; 4-wire wye; delta.
• Identify characteristics of three phase power and differentiate from single phase power.
• Analyze 3-wire and 4-wire wye loads, both balanced and unbalanced.
• Analyze balanced and unbalanced delta loads.
• Correct the power factor of a balanced three phase load.

BODE PLOTS AND FREQUENCY RESPONSE

• Predict and measure the gain and phase angle of RC, RL and RLC circuits over a range of frequencies.
• Define and determine the transfer function for any AC circuit.
• Define and determine voltage gain in dB and phase angle.
• Plot the transfer function for any AC circuit on semi-log graph paper.
• Draw straight-line approximations of gain and phase angle versus frequency (Bode Plots), for RC, RL and RLC filters.

RESONANT CIRCUITS

• Analyze and measure the response of series and parallel RLC circuits at and around the resonant frequency.
• Calculate the effects on Z and phase angle for series RLC circuits with varying frequency.
• Calculate the effects on Y and phase angle for parallel RLC circuits with varying frequency.
• Calculate fo, V, I, P, phase angle, Z in series RLC circuits at and around resonance.
• Calculate V, I, phase angle, fo, bandwidth and half power frequencies for RLC circuits.
• Measure and calculate all values in RLC circuits at, above and below resonance.

CIRCUIT ANALYSIS METHODS FOR NETWORKS

• Determine circuit values and circuit parameters in a wide range of applications using systematic techniques.
• Calculate values in networks using superposition theorem.
• Calculate values in networks using mesh analysis.
• Calculate values in networks using nodal analysis.
• Calculate values in networks using Thevenin's theorem.
• Calculate values in networks using Norton's theorem.
• Calculate the load impedance for maximum power transfer.

TRANSIENT VALUES IN RC AND RL CIRCUITS

• Analyze and determine values of voltages and currents during the transient period.
• Calculate and sketch voltage and current in series RC circuits when square wave voltage is applied.
• Calculate and sketch V's and I in series RL circuit when square wave voltage is applied.
• Measure transient voltage and current in series RC circuits with square wave voltage applied.

DC POWER SUPPLIES

• Analyze rectifier, capacitor filter and IC voltage regulator circuits.
• Analyze single phase rectifier circuits: half wave; full wave center-tapped, full wave bridge.
• Analyze three phase rectifier circuits: half wave; full wave bridge.
• Analyze the effect of capacitor-only filters on load voltage, both DC and AC components.
• Analyze the operation of an adjustable IC voltage regulator.
• Design a DC power supply based on load voltage, load current and ripply voltage specifications.

Effective as of Winter 2014

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