how does linear mode power supply work
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Q: Calculate.
A: Step 1:*Formula picked up from Sedra Smith 6th ed Sec 4.5.4
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how does linear mode power supply work
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- I need the answer as soon as possibleDC-AC Circuits Approximately, how long does it take the circuit to have a current near 5A upon closing of the switch? 5V 5H O A. 25 seconds B. 5 seconds O C. 1 second D. O second O E. 0.2 seconds. Can you get a DC signal from the Digital Multi-Meter? If not, why?
- 1. What is a linear power supply? 2. What are the advantages and disadvantages of a linear power supply? 3. What is switch mode power supply? 4. What are the advantages and disadvantages of switch mode power supply? 5. What are the different types of switch mode power supply?Q1. a) An SCR based AC power controller circuit is given in Figure 1. The circuit connects a 240V 50Hz AC source vi to a resistive load with resistance of 100. If the delay angle is a-15°, draw the waveforms of the load voltage Vo, and the voltage across SCR2. Calculate the power supplied to the load. + Vi Va + 2 SCR2 H₁₁ SCR₁ Figure 1 SCR based AC power control circuit Va + 2 io b) Figure 2 is a single phase 2-level voltage source converter (VSC) with a DC voltage Vd-200V. A PWM scheme, by comparing a reference value with a 10kHz triangle waveform, is used to control the switches S₁ and S2. The modulation index of the PWM is m=0.8. With the aid of graphs explain how pulse signals for the switches are generated, sketch the output voltage Vo, determine the duty cycle, and calculate the average output voltage. + Vo + Vo √ ₂ == Figure 2 A single phase VSCA 220 V, 1 kW heater is fed from a single phase ac voltage controller using a thyristor in anti-parallel with a diode. If the firing angle is 45°, sketch the circuit and: a. Calculate the output voltage and current.b. Sketch the output voltage and current waveforms.c. Calculate the load power.d. Calculate the average current through the load
- Design a half-wave rectifier fed from 224-V line through a step-up transformer (5:8). The load requires an average voltage of 24 V and average power of 8 W. Use 15% safety factor. Summarize answers on the space provided. *what is the use of DC/DC tension converter DC/DC booster MT3608II. A center tapped full-wave rectifier circuit has the following specifications: ac supply line is 120 volts, RMS of the total secondary voltage is 80 volts and the load resistance is 10 ohms. Determine the following: (a) V,1 RMS, (b) V32 AVE, (c) Vo1 RMS and Vo2 AVE (d) I, RMS, (e) PLAVE, (f) turns ratio of the transformer
