Solution to question 11 and 12 in the image below IzVIR VLFigure Q9and Pz (max) =10. In the voltage regulator circuit in Figure Q9, V, = 20 V, Vz = 10 V, R; = 222400 mW. (a) Determine IL, Iz, and I, if RL = 3802. (b) Determine the value of RL that will establishPz(max) in the diode. (c) Repeat part (b) if Ri = 1752.11. A Zener diode is connected in a voltage regulator circuit as shown in Figure Q9. The Zenervoltage is Vz = 10 V and the Zener resistance is assumed to be r, = 0. (a) Determine the value of R;such that the Zener diode remains in breakdown if the load current varies from IL = 50 to 500 mAand if the input voltage varies from V = 15 to 20 V. Assume Iz (min) = 0.1Iz (max). (b) Determine%3D%3D%3D%3D%3D%3D%3Dthe power rating required for the Zener diode and the load resistor.12. A voltage regulator is to have a nominal output voltage of 10 V. The specified Zener diode has arating of 1 W, has a 10 V drop at Iz = 25 mA, and has a Zener resistance of rz = 52. The input powersupply has a nominal value of VPs = 20 V and can vary by ±25 percent. The output load current is tovary between I = 0 and 20 mA. (a) If the minimum Zener current is to be Iz = 5 mA, determine therequired R. (b) Determine the maximum variation in output voltage. (c) Determine the percentregulation.13. Consider the circuit in Figure Q13. Let VD = 0. (a) Plot vo Versus Vị over the range -10

as per the guidelines, we supposed to answer one question at a time. so please ask other questions…

11. A Zener diode is connected in a voltage regulator circuit as shown in Figure Q9. The Zener voltage is Vz 10 V and the Zener resistance is assumed to be rz = 0. (a) Determine the value of R such that the Zener diode remains in breakdown if the load current varies from I = 50 to 500 mA and if the input voltage varies from V = 15 to 20 V. Assume Iz (min) = 0.1Iz (max). (b) Determine the power rating required for the Zener diode and the load resistor.

11. A Zener diode is connected in a voltage regulator circuit as shown in Figure Q9. The Zener voltage is Vz 10 V and the Zener resistance is assumed to be rz = 0. (a) Determine the value of R such that the Zener diode remains in breakdown if the load current varies from I = 50 to 500 mA and if the input voltage varies from V = 15 to 20 V. Assume Iz (min) = 0.1Iz (max). (b) Determine the power rating required for the Zener diode and the load resistor.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter59: Motor Startup And Troubleshooting Basics

Section: Chapter Questions

Problem 12SQ: How is a solid-state diode tested? Explain.

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