Calculate Vr (voltage ripple) using the equations that
approximate the calculus of this voltage.
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Calculate Vr (voltage ripple) using the equations that
approximate the calculus of this voltage.
N,:N, 120...
Calculate Vr peak to peak, ripple factor, Vdc, Vpp. If C was not given how would...
Calculate Vr peak to peak, ripple factor, Vdc, Vpp. If C was
not given how would we find Vpp?
Output 115 V rms llllls lllll Pon) 60 H2 D2X ct ZRL DA 50 uF T 2.2 kN = = All diodes are 1N4001.
QUESTION 6 Following circuit is a half-wave rectifier. Assume Vs(t) = Vp sin (wt) where Vp...
QUESTION 6 Following circuit is a half-wave rectifier. Assume Vs(t) = Vp sin (wt) where Vp = 19 V, w=2nf and f=60 Hz. Also assume C = 415 F and R = 844 , and on-voltage Von = 1 V for the diode. Calculate the ripple voltage, Vr, at the output of the rectifier. Vout
Vs =10 pk VD=0.7 F=40Hz Given this ciruit the ripple voltage is calcuted using the following...
Vs =10 pk VD=0.7 F=40Hz
Given this ciruit
the ripple voltage is calcuted using the following equations for
CR>>T/2
vr with no capacitor = Vs -2*VD
Vr with capacitor = Vs-2VD / 2R*F*C
Load
VR theory
VR experiment
R no capacitor
8.6 V
8.8V
C=10uF
2.287 V
2.2 V
C=22uF
1.039 V
1.08 V
C=47uF
486.6 mV
394 mV
Give possible reasons for the variation between the theoretical
and experimental results.
Hint: deals with ideal diode and CR>>T/2.
D1 D2...
1. Consider the single-phase VSI inverter shown below dc VR(t) iz(t) a) If your input voltage Vdc...
1. Consider the single-phase VSI inverter shown below dc VR(t) iz(t) a) If your input voltage Vdc - 100V2 V and switching frequency is 60 Hz with zero delay angle. Then, sketch the square wave output. Mark the peak values [10 marks] b) Sketch the fundamental output on the top of the above waveform. Mark the peak value По marksl c) The above A VSI is used to create a square wave output with 100v2 V at 60 Hz. This...
Calculate Kv and Wc based on the equations and data given below. Nominal input ac source...
Calculate Kv and Wc based on the equations
and data given below.
Nominal input ac source voltage, Vs.ms Line frequency, f Output Voltage, Va Maximum Power Output Switching Frequency," Output Filter capacitor, C ESR of the Capacitor, r Inductor, Ld Full-Load Equivalent Resistance, R 120 V 60 Hz 250 V (dc) 250 W 100 kHz 220 μF 100 mS2 l mH 250 Ω ˇ 2 120-169.7V V^-6.029 V 1L2 0.0442 A. 1 V, R/2 (6.17) L2
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalen...
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalent circuit, Calculate the transformer no load power a- current, power factor and power when terminal voltage is 470 V. What would these values be if the transformer were ideal? b Calculate the transformeroutput power and eficiency when load of 1.6+j1.2 ohms is...
power Electronics. Please help Problem 4: (30 points) rect d(r) In the PFC converter shown above,...
power Electronics. Please help
Problem 4: (30 points) rect d(r) In the PFC converter shown above, the DC value of the output voltage is to be regulated at 200 v and the input ac voltage is vs _ 170 sin(2π 60t) V . The output power is 1 kw. Assume steady-state operation and a switching frequency of 200 kHz. (a) Calculate the inductance needed to limit the maximum peak-peak switching frequency ripple in inductor current to 1.2 A. (b) Calculate...
ng to her question uestio save this respon n 6 se Determine the apparent "S" f...
ng to her question uestio save this respon n 6 se Determine the apparent "S" f or the circ 50mH 120 v 7.21<63.8" V -63.8"VA 11<69.2°VA פי 69.2 V ll save this response. Determine I T for the circuit shown. R1 1 L1 50mH ト120 Vrms へ、/60 Hz 0° Ir = 24 ,592 690 mA Ir = 42.59<690 mA IT 12.79 100 mt/1 Moving to another question will save this response. Question 4 Determine the Z T for the circuit...
1. The current through a 0.1-H coil is provided. Find the sinusoidal expression for the voltage...
1. The current through a 0.1-H coil is provided. Find the sinusoidal expression for the voltage across the coil. Sketch the v and i curves. a. i = 10 sin 377t b. i = 7 sin(377t - 70°) 2. The voltage across a 1-micro F capacitor is provided below. What is the sinusoidal expression for the current? Sketch the v and i curves. v = 30 sin 400t 3. For the following pairs of voltages and currents, determine whether the...
Design a FULL WAVE BRIDGE RECTIFIER circuit that will: Take 120volts ac, 60 hz, sinusoidal waveform...
Design a FULL WAVE BRIDGE RECTIFIER circuit that will:
Take 120volts ac, 60 hz, sinusoidal waveform and convert
it to a “regulated “dc value
giving 12 volts +, - 1 volt across a 2000-ohm output
load resistor with no more than 2%
ripple voltage.
You may assume:
a. An ideal power transformer as discussed in class.
b. For hand computations, you must assume a diode given by
Figure 4.8 page 185.
c. A filter capacitor sized per the textbook equation...
Calculate Vr peak to peak, ripple factor, Vdc, Vpp. If C was
not given how would we find Vpp?
Output 115 V rms llllls lllll Pon) 60 H2 D2X ct ZRL DA 50 uF T 2.2 kN = = All diodes are 1N4001.
QUESTION 6 Following circuit is a half-wave rectifier. Assume Vs(t) = Vp sin (wt) where Vp = 19 V, w=2nf and f=60 Hz. Also assume C = 415 F and R = 844 , and on-voltage Von = 1 V for the diode. Calculate the ripple voltage, Vr, at the output of the rectifier. Vout
Vs =10 pk VD=0.7 F=40Hz
Given this ciruit
the ripple voltage is calcuted using the following equations for
CR>>T/2
vr with no capacitor = Vs -2*VD
Vr with capacitor = Vs-2VD / 2R*F*C
Load
VR theory
VR experiment
R no capacitor
8.6 V
8.8V
C=10uF
2.287 V
2.2 V
C=22uF
1.039 V
1.08 V
C=47uF
486.6 mV
394 mV
Give possible reasons for the variation between the theoretical
and experimental results.
Hint: deals with ideal diode and CR>>T/2.
D1 D2...
1. Consider the single-phase VSI inverter shown below dc VR(t) iz(t) a) If your input voltage Vdc - 100V2 V and switching frequency is 60 Hz with zero delay angle. Then, sketch the square wave output. Mark the peak values [10 marks] b) Sketch the fundamental output on the top of the above waveform. Mark the peak value По marksl c) The above A VSI is used to create a square wave output with 100v2 V at 60 Hz. This...
Calculate Kv and Wc based on the equations
and data given below.
Nominal input ac source voltage, Vs.ms Line frequency, f Output Voltage, Va Maximum Power Output Switching Frequency," Output Filter capacitor, C ESR of the Capacitor, r Inductor, Ld Full-Load Equivalent Resistance, R 120 V 60 Hz 250 V (dc) 250 W 100 kHz 220 μF 100 mS2 l mH 250 Ω ˇ 2 120-169.7V V^-6.029 V 1L2 0.0442 A. 1 V, R/2 (6.17) L2
Problem # 2-A single phase, 60 Hz, 10 KVA, 440/ 110 V has the following R1 0.15 R 0.0086X 0.5 X 0.0286 Re and Xnare 1500 and 1000 referred to the high voltage side Using the approximate equivalent circuit, Calculate the transformer no load power a- current, power factor and power when terminal voltage is 470 V. What would these values be if the transformer were ideal? b Calculate the transformeroutput power and eficiency when load of 1.6+j1.2 ohms is...
power Electronics. Please help
Problem 4: (30 points) rect d(r) In the PFC converter shown above, the DC value of the output voltage is to be regulated at 200 v and the input ac voltage is vs _ 170 sin(2π 60t) V . The output power is 1 kw. Assume steady-state operation and a switching frequency of 200 kHz. (a) Calculate the inductance needed to limit the maximum peak-peak switching frequency ripple in inductor current to 1.2 A. (b) Calculate...
ng to her question uestio save this respon n 6 se Determine the apparent "S" f or the circ 50mH 120 v 7.21<63.8" V -63.8"VA 11<69.2°VA פי 69.2 V ll save this response. Determine I T for the circuit shown. R1 1 L1 50mH ト120 Vrms へ、/60 Hz 0° Ir = 24 ,592 690 mA Ir = 42.59<690 mA IT 12.79 100 mt/1 Moving to another question will save this response. Question 4 Determine the Z T for the circuit...
Design a FULL WAVE BRIDGE RECTIFIER circuit that will:
Take 120volts ac, 60 hz, sinusoidal waveform and convert
it to a “regulated “dc value
giving 12 volts +, - 1 volt across a 2000-ohm output
load resistor with no more than 2%
ripple voltage.
You may assume:
a. An ideal power transformer as discussed in class.
b. For hand computations, you must assume a diode given by
Figure 4.8 page 185.
c. A filter capacitor sized per the textbook equation...
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