Homework Answers
Add Answer to:
18 marks load with a power of 25.6 W.The cy f is 40kHz. sign a buck-boost converter to produce an output voltage of 16V a put voltage ripple must not exceed 1%. The dc input voltage is 24V. Th e swit...
A Buck-boost converter has an output voltage 100 V, output power 60 W and input voltage...
A Buck-boost converter has an output voltage 100 V, output power 60 W and input voltage 12 V. Switching frequency is 15 kHz. Calculate duty ratios for the switch and the diode. Find values for the inductor L and capacitor C, when the allowed output voltage ripple is ±0.15 % and the inductor current ripple is ±1 % (of the average value). If the on-time of the switch has an inaccuracy of ±50 ns, what is the new output voltage...
A buck converter is used to have low output voltage from the high input source to...
A buck converter is used to have low output voltage from the high input source to low output voltage. The estimated power output is at 25 kW with the switching frequency of 25 kHz. Design the buck converter as by finding and following specifications consider the ripple of the output is set at 1% (i) Calculate the duty ratio of the buck converter (1 mark) (ii) Determine the minimum requirement for the inductor and the capacitor (5 marks) (iii) Determine...
2. Renewable energy system requires a boost converter with input voltage variation of 18 V to 42 ...
2. Renewable energy system requires a boost converter with input voltage variation of 18 V to 42 V (de) and gives output of 120 V at 0.6 kW. For the converter the switching frequency is set at 50 kHz. a) Find the operating duty cycle range for each switch of the converter0 marks b) 196 What is the inductor value which should keep inductor current variation below under all input voltages [30 marks] c) Find the capacitor value which should...
Buck Converter Design Design a buck converter to produce an output voltage of 18 V across a 10-Ω load resistor. The output voltage ripple must not exceed 0.5 percent. The de supply is 48 V. Design fo...
Buck Converter Design Design a buck converter to produce an output voltage of 18 V across a 10-Ω load resistor. The output voltage ripple must not exceed 0.5 percent. The de supply is 48 V. Design for continuous inductor current. a. What is the limitation on the load resistance for continuous-current operation? b. What would be the range of output voltage for a load resistance range of 5 to 20 ohm? c. Redesign the converter so inductor current remains continuous...
Design a boost converter power stage to the following specification: Input voltage Output voltage: Output voltage...
Design a boost converter power stage to the following specification: Input voltage Output voltage: Output voltage ripple:max 20mV Load power: Switching frequency: 15kHz 110-125V 300V 1.5kW Calculate: (i) Maximum duty cycle (ii) Minimum duty cycle (iii) Average diode current (iv) Assuming the Rds(on) of the MOSFET is 0.01 Ω, and the diode forward voltage is 0.8V, calculate the approximate efficiency of the circuit. 2. A switching power supply shown in the circuit below has its switch driven by a signal...
1. (35 points) Switch mode DC DC Converters. a. (15 points) Design a flyback DC/DC power converter to the following specifications. Assume ideal components Input Voltage Output Voltage Output Powe...
1. (35 points) Switch mode DC DC Converters. a. (15 points) Design a flyback DC/DC power converter to the following specifications. Assume ideal components Input Voltage Output Voltage Output Power Switching frequency Maximum Current Ripple in the filter inductor Output ripple voltage: Continuous conduction 170 VDC 12 VDC 40 Watts 750 kHz 1.2 Amps Your answer should include a circuit diagram with each energy storage element labeled with its value. Label the transformer turns ratio.
1. (35 points) Switch mode...
Fundamental of power electronics: In a certain application, an unregulated dc input voltage can vary between...
Fundamental of power electronics: In a certain application, an unregulated dc input voltage can vary between 18 and 36 V. It is desired to produce a regulated output of 28 V to supply a 2 A load. control circuit automatically adjust D to maintain the constant output voltage and current. All ideal components. Hence, a converter is needed that is capable of both increasing and decreasing the voltage. Since the input and output voltages are both positive, converters that invert the...
Please answer 2 and 1. Assignment No.6 10mH, C-20μF, an 1. A boost converter as the...
Please answer 2 and 1.
Assignment No.6 10mH, C-20μF, an 1. A boost converter as the following parameters: V,-20V, L Find the current spec of the inductor for continuous current mode (Max an Min current) -20 2. Switching frequency is 50 KHz and conduction duty cycle is 0.6 a. b. Calculate the output voltage and the ripple voltage An array has been formed with three modules in a string and two strings in parallel. The overall characteristic of the array...
A buck converter is used to have low output voltage from the high input source to low output voltage. The estimated power output is at 25 kW with the switching frequency of 25 kHz. Design the buck converter as by finding and following specifications consider the ripple of the output is set at 1% (i) Calculate the duty ratio of the buck converter (1 mark) (ii) Determine the minimum requirement for the inductor and the capacitor (5 marks) (iii) Determine...
2. Renewable energy system requires a boost converter with input voltage variation of 18 V to 42 V (de) and gives output of 120 V at 0.6 kW. For the converter the switching frequency is set at 50 kHz. a) Find the operating duty cycle range for each switch of the converter0 marks b) 196 What is the inductor value which should keep inductor current variation below under all input voltages [30 marks] c) Find the capacitor value which should...
Buck Converter Design Design a buck converter to produce an output voltage of 18 V across a 10-Ω load resistor. The output voltage ripple must not exceed 0.5 percent. The de supply is 48 V. Design for continuous inductor current. a. What is the limitation on the load resistance for continuous-current operation? b. What would be the range of output voltage for a load resistance range of 5 to 20 ohm? c. Redesign the converter so inductor current remains continuous...
Design a boost converter power stage to the following specification: Input voltage Output voltage: Output voltage ripple:max 20mV Load power: Switching frequency: 15kHz 110-125V 300V 1.5kW Calculate: (i) Maximum duty cycle (ii) Minimum duty cycle (iii) Average diode current (iv) Assuming the Rds(on) of the MOSFET is 0.01 Ω, and the diode forward voltage is 0.8V, calculate the approximate efficiency of the circuit. 2. A switching power supply shown in the circuit below has its switch driven by a signal...
1. (35 points) Switch mode DC DC Converters. a. (15 points) Design a flyback DC/DC power converter to the following specifications. Assume ideal components Input Voltage Output Voltage Output Power Switching frequency Maximum Current Ripple in the filter inductor Output ripple voltage: Continuous conduction 170 VDC 12 VDC 40 Watts 750 kHz 1.2 Amps Your answer should include a circuit diagram with each energy storage element labeled with its value. Label the transformer turns ratio.
1. (35 points) Switch mode...
Please answer 2 and 1.
Assignment No.6 10mH, C-20μF, an 1. A boost converter as the following parameters: V,-20V, L Find the current spec of the inductor for continuous current mode (Max an Min current) -20 2. Switching frequency is 50 KHz and conduction duty cycle is 0.6 a. b. Calculate the output voltage and the ripple voltage An array has been formed with three modules in a string and two strings in parallel. The overall characteristic of the array...
Most questions answered within 3 hours.
-
Explain in detail
Germany is the fifth largest economy
explain what goods and services Germany specializes...
asked 6 minutes ago -
The density of platinum is 21.45 g/mL. If a cube of platinum
with a mass of...
asked 11 minutes ago -
Accounts Receivable
Sales
A/R Posting
Extended Sales Invoice
Packing Slip
Compare invoice to packing slip 2...
asked 14 minutes ago -
Michaella, age 23, is a full-time law student and is claimed by
her parents as a...
asked 15 minutes ago -
Why are polymers not typically casted into products?
asked 32 minutes ago -
When rolling a die 129 times, what is the probability of rolling
a 6 no more...
asked 48 minutes ago -
4. A call option currently sells for $7.75. It has a strike
price of $85 and...
asked 37 minutes ago -
1.
You need to prepare 10.0 liters of an acid aqueous solution with a
pH of...
asked 40 minutes ago -
Along an aggregate supply curve, if the level of output is less
than the natural level...
asked 41 minutes ago -
By 2025, annual consumption in emerging markets will total $30
trillion and contribute more than ________...
asked 46 minutes ago -
At what point does reformation cease to be a viable option for
those who are oppressed...
asked 50 minutes ago -
Place letters corresponding to amounts in the proper order for
lightest to heaviest samples:
a) 2100...
asked 54 minutes ago