TOPICS
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OBJECTIVES - LEARNER WILL BE ABLE
TO:
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SINUSOIDAL
ALTERNATING WAVE FORM
- Generation of AC
- Sine wave, frequency period
- Sine wave, voltage and current values
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- Given an AC meter reading of sine
wave voltage, current, convert to peak to peak value, RMS.
and average value.
- Relate frequency and time period
for an AC signal.
- Define amplitude, alternation, cycle,
wavelength and phase relationship in sine waves.
- Use an oscilloscope to observe AC
wave form.
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THE BASIC ELEMENTS AND
PHASORS:
- E & I phase relations
in resistive and reactive circuits
- Inductance, XL.
- Capacitance, XC
- Ohm's Law in AC circuits
- Phase representation if E
& I
- Rectangular and Polar forms
- Operator "J"
- Rate of change of current.
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- State the AC form of Ohm's Law used
with either capacitive or inductive reactance.
- Given two or more inductive or capacitive
reactance in series, or parallel specify the effective reactance
if the combination.
- Describe the distinction between
a vector and a phasor.
- Describe what is meant by: Algebraic
solution, Pythagorean addition, Polar coordinates, Rectangular
coordinates.
- Demonstrate understanding of complex
numbers by converting quantities from Polar form into Rectangular
form and vice versa.
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SERIES CIRCUITS:
- Impedance of RL, RC, and
RLC circuits
- Frequency response
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- Write an expression that will permit
calculation of the magnitude of an impedance formed by a
resistor and either an inductor or a capacitor in series.
- Plot the voltage and current of series
R-L or RLC network Vs frequency.
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PARALLEL CIRCUITS:
- Admittance of RL, RC, and
RLC circuits
- Frequency response
- R-L-C components experiment
- Frequency response of series
R-L network
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- Given an arbitrary parallel circuit
containing variable resistance and reactance, supplied by
a variable frequency AC source and supply voltage, analyze
the behavior of the parallel circuit when one of the variable
parameter is change.
- Plot the voltage and current of a
series R-C network versus frequency.
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POWER IN AC:
- Power in pure R, L, and
C circuit
- Power in RL and RC circuits
- Power factor
- Power factor correction
- Sinusoidal experiment
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- Discuss the energy flow in and out
of pure resistance, pure reactance, and impedance containing
reactance and resistance.
- Given the specification of a complex
impedance that loads an AC source, calculate the power factor.
- Analyze a network with all there
elements, R, L and C
- Verify the voltage divider rule through
actual measurements.
- Determine the input impedance using
experimental methods
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SERIES RESONANCE:
- Effect of frequency change
on a series RLC circuit
- Resonance
- (Q) of resonant circuit
- Selectivity
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- Given a series circuit containing
R, L, and C and supplied by an AC source with variable voltage
and frequency, analyze the behavior of the circuit when
the frequency is varied.
- Describe the following concepts of
resonance curve: (Bandwidth, voltage magnification, selectivity,
quality factor Q, resonant frequency, L/C ratio, half power
points of the circuit.
- Verify Kirchhoff's current law through
actual measurements.
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PARALLEL RESONANCE:
- Effect of frequency change
on a parallel RLC circuit
- (Q) of resonant circuit
- Selectivity
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- Given a parallel resonant circuit,
qualitatively specify the character of the impedance at
frequencies below resonance, at resonance, and above resonance.
- Given inductive reactance of the
coil and its effective resistance, calculate the (Q) of
the coil.
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MAGNETIC CIRCUITS:
- Magnetic fields
- Magnetic properties
- Magnetic hysteresis
- Electromagnetism
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- Describe how an electromagnet can
be produced.
- Describe the relationship between
flux density B and magnetizing force (H).
- Define permeability and its unit,
reluctance and its unit, and hysteresis and draw + explain
(B - H)
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IRON CORE TRANSFORMERS:
- Mutual induction
- Turn ratio
- Impedance transformation
- Effects of loading
- Auto transformers
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- Given a total power input to a transformer
and the total power delivered to a load, calculate the efficiency
of the transformer.
- Demonstrate how the input impedance
varies with frequency and validate the relationship between
the quality factor of a network and the bandwidth.
- Plot the voltage and source current
(constructed) versus frequency.
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