A stabilization circuit has a stability factor of 0.04 and an internal resistance of 5 22. The unstabilized voltage can vary between 75 and 100 V, and the load current can vary from 40 to 80 mA. Determine the maximum and minimum values for the stabilized load voltage.
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- What is CEMF?A half-wave rectifier is needed to supply 15-V dc to a load that draws an average current of 250 mA. The peak-to-peak ripple is required to be 0.2 V or less. What is the minimum value allowed for the smoothing capacitance?Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V ams 5OHZ İL-DC =05A RL VL-DC =20V
- Consider the Zener diode circuit shown in Figure. The Zener Breakdown Voltage (Vz) is 5.6 V at Iz= 0.1mA. Zener resistance is r,= 10 0. What is Vo without load (RL= ∞) ? R= 0.5 kQ Vo Vps= 10 VPower supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V rmsh soHz} VL-DC =20V 0.01 F 0.02 F 0.0167 F None of the abovePower supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to IL-DC =0:5A RL VL-DC =20V 220V omsb O 001 F O 0.02 F O 0.0167F O None of the above Activate
- 1) AC power in a load can be controlled by using a. Two SCR's in parallel opposition b. Two SCR's in series c. Three SCR's in series d. Four SCR's in series 2) The advantage of using free - wheeling diode in half controlled bridge converter is that a. There is always a path for the ac current independent of the ac line b. There is always a path for the dc current independent of the ac line c. There is always a path for the dc current dependent of the ac line d. There is always a path for the ac current dependent of the ac line 3) Silicon controlled rectifier can be turned on a. By applying a gate pulse and turned off only when current becomes zero b. And turned off by applying gate pulse c. By applying a gate pulse and turned off by removing the gate pulse d. By making current non zero and turned off by making current zero3 A peak rectifier (peak tollower) Cir cuit is gian below. Vs is a GOH3 Sinuscidal Vollge with peak value Upz50V. 50V. The load resistance R= Sk . Find the Vallke of the capacitance C Such that the peak- to-peak ripple 2 volts. (idenl diede) Voltage Vr VsDesign the power supply using diode components. This power supply sholud have 2 outputs. 12Vdc and 5Vdc. Input 240 Vac Supply i. Draw the circuit diagram ii. Bill of material/components that will be used iii. Teh output waveform for each stage
- Power supply circuit is delivering 0.5 A and an average voltage 20 V to the load as shown in the circuit below. The ripple voltage of the half wave rectifier is 0.5 V and the diode is represented using constant voltage model. The smoothing capacitor value is equal to 220V omsh RL VI-DC20V 0.01 F 0.02 F 0.0167 F None of the aboveH.W3 The single-phase full wave controlled rectifier has a R-L load with R= 0.552 and L= 6.5mH. The input voltage V, 220V at 50Hz. The delay angle is a-30, plot the input and output waveforms. Then determine: -The average thyristor current -The rms thyristor current -The output rms current -The average output current - The efficiency NOTE: Drive any formula that used in solutionAn FWR using a centre-tapped Transformer Supplies an average voltage of 120V to a 250 kΩ load Calculate (a) the peak value of output voltage (b) The required Transformer secondary voltage (rms value) (c) Average Current delivered to load (d) Average current through each of the diodes. (e) Peak Current through each of the diodes (f) PIV requirements for each of the diodes. AC supply voltage is 230V and assume ideal diodes.