Camera flashes charge a capacitor to high voltage by switching the current through an inductor on and off rapidly.
In how many seconds must the 0.11 A current through a 2.9 mH
inductor be switched on or off to induce an average 485 V emf?
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Camera flashes charge a capacitor to high voltage by switching
the current through an inductor on...
Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdc source. The maximum allowable inductor current ripple and output voltage ripple are 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz.
Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdc source. The maximum allowable inductor current ripple and output voltage ripple are 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz.a) Design a suitable converter power circuit using a MOSFET switch, showing all calculation of inductor and capacitor values and drawing a circuit diagram of the final design including component values. Indicate the peak inverse voltage and forward current rating...
D. When the current is .02 A find the voltage and fhe charge of the capacitor...
D.
When the current is .02 A find the voltage and fhe charge of the
capacitor
5. A 250 Q resistor is in series with 200 pF .capacitor. These are connected across a 20 V battery. The switch is turned on, and the capacitor begins to fill. After the capacitor is completely filled, the battery is taken out of the circuit and the leads to the battery are shorted together. (a) (6 pts) What is the time constant, the maximum...
A resistor, 50.0-mH inductor, and 100.0-uF capacitor are connected in series with a 50-Hz voltage source....
A resistor, 50.0-mH inductor, and 100.0-uF capacitor are connected in series with a 50-Hz voltage source. The maximum voltage through the circuit is 240 V. Calculate the power across the LCR circuit, if phase angle between the current and voltage is 60degrees.
18. Al wat rate would the current in a 100-mH inductor have to change to induce...
18. Al wat rate would the current in a 100-mH inductor have to change to induce an emf of 1000 V in the inductor? 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains 750 turns, how many turns are on the secondary? 20. A series circuit consists of a H an - -- - -- 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains...
find values for current through inductor and voltage across capacitor after a long time. tan 2000
find values for current through inductor and voltage across
capacitor after a long time.
tan 2000
Now consider a o cos (wt Show that the voltage capacitor and inductor in series with a current through them of i = acr...
Now consider a o cos (wt Show that the voltage capacitor and inductor in series with a current through them of i = across the combination will be 1 V ViVc io sin(wt wC wL - 5. This indicates that the series combination acts just like a single inductor if (wL- 0, or just like a single capacitor if (wL - ) of the above formulas for io and d to get the behavior of the RLC circuit. Find the...
a9a resistive load. Inductor 3-(35 pts) Design a converter that has an input voltage of 24 V DC and supplies 18 V DC to current is desired to be continuous and must not change more than 30 % of i...
a9a resistive load. Inductor 3-(35 pts) Design a converter that has an input voltage of 24 V DC and supplies 18 V DC to current is desired to be continuous and must not change more than 30 % of its average value voltage ripple must be lower than 2 %. Switching frequency is 10 kHz. a) Draw the circuit diagram. Calculate the duty ratio. Calculate values for 2 desired conditions of the inductor current and determine the value of the...
What capacitor in series with a 100 Ohm resistor and a 20.0 mH inductor will give...
What capacitor in series with a 100 Ohm resistor and a 20.0 mH inductor will give a resonance frequency of 800 Hz? A series RLC circuit consists of a 99.0 Ohm resistor, a 0.130 H inductor, and a 20.0 muF capacitor. It is attached to a 120 V/60 Hz power line. What is the peak current I? The tuning circuit in an FM radio receiver is a series RLC circuit with a 0.2000 muH inductor. The receiver is tuned to...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
(1 point) A capacitor C = 120 μF has an initial charge of 100 μC. It is connected across an inductor L = 17 mH at t = 0 a) What is the frequency of oscillation? Hz b) What is the maximum current thro...
(1 point) A capacitor C = 120 μF has an initial charge of 100 μC. It is connected across an inductor L = 17 mH at t = 0 a) What is the frequency of oscillation? Hz b) What is the maximum current through L? c) What is the first time at which the energy is equally shared by C and L? ms
(1 point) A capacitor C = 120 μF has an initial charge of 100 μC. It is...
D.
When the current is .02 A find the voltage and fhe charge of the
capacitor
5. A 250 Q resistor is in series with 200 pF .capacitor. These are connected across a 20 V battery. The switch is turned on, and the capacitor begins to fill. After the capacitor is completely filled, the battery is taken out of the circuit and the leads to the battery are shorted together. (a) (6 pts) What is the time constant, the maximum...
18. Al wat rate would the current in a 100-mH inductor have to change to induce an emf of 1000 V in the inductor? 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains 750 turns, how many turns are on the secondary? 20. A series circuit consists of a H an - -- - -- 19. A transformer changes the 10,000 V power line to 120 V. If the primary coil contains...
find values for current through inductor and voltage across
capacitor after a long time.
tan 2000
Now consider a o cos (wt Show that the voltage capacitor and inductor in series with a current through them of i = across the combination will be 1 V ViVc io sin(wt wC wL - 5. This indicates that the series combination acts just like a single inductor if (wL- 0, or just like a single capacitor if (wL - ) of the above formulas for io and d to get the behavior of the RLC circuit. Find the...
a9a resistive load. Inductor 3-(35 pts) Design a converter that has an input voltage of 24 V DC and supplies 18 V DC to current is desired to be continuous and must not change more than 30 % of its average value voltage ripple must be lower than 2 %. Switching frequency is 10 kHz. a) Draw the circuit diagram. Calculate the duty ratio. Calculate values for 2 desired conditions of the inductor current and determine the value of the...
What capacitor in series with a 100 Ohm resistor and a 20.0 mH inductor will give a resonance frequency of 800 Hz? A series RLC circuit consists of a 99.0 Ohm resistor, a 0.130 H inductor, and a 20.0 muF capacitor. It is attached to a 120 V/60 Hz power line. What is the peak current I? The tuning circuit in an FM radio receiver is a series RLC circuit with a 0.2000 muH inductor. The receiver is tuned to...
To design a high efficiency d.c., to d.c power converter with the given specifications min 10V max 15V nominal (regulated) 8V Input voltage: Output voltage: Nominal load current: 4A Inductor current ripple: 0.1A max Switching frequency: 30 kHz Output voltage ripple: 20 mV Define a suitable power circuit topology to meet the above specification? Sketch a circuit diagram of the chosen power circuit topology (a) Define the minimum and maximum duty cycles assuming that the control circuit keeps the output...
(1 point) A capacitor C = 120 μF has an initial charge of 100 μC. It is connected across an inductor L = 17 mH at t = 0 a) What is the frequency of oscillation? Hz b) What is the maximum current through L? c) What is the first time at which the energy is equally shared by C and L? ms
(1 point) A capacitor C = 120 μF has an initial charge of 100 μC. It is...
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