Please answer number 43 in step by step solution *42. a. Determine VL, IL, Iz, and IR for the network of Fig. 2.186 if R1 = 180 N.b. Repeat part (a) if R1, = 470 N.c. Determine the value of R, that will establish maximum power conditions for the Zener diode.d. Determine the minimum value of R to ensure that the Zener diode is in the "on" state.%3DRs220 2IRVz = 10 VRLVL20 V= 400 mWPZmaxFIG. 2.186Problem 42.*43. a. Design the network of Fig. 2.187 to maintain Vi at 12 V for a load variation (I,) from 0 mAto 200 mA. That is, determine Rs and Vz.b. Determine Pz max for the Zener diode of part (a).*44. For the network of Fig. 2.188, determine the range of Vị that will maintain V, at 8 V and notexceed the maximum power rating of the Zener diode.RsRsV, o w91 216 VoVz = 8 V0.22 k2VzRL= 400 mWPZ maxRLFIG. 2.188FIG. 2.187CS Scanned with CamScanner

Given: VL=12VLoad variation(IL)=0mA to 200mA

Answered: *43. a. Design the network of Fig.…

*43. a. Design the network of Fig. 2.187 to maintain Vį at 12 V for a load variation (I,) from 0 mA to 200 mA. That is, determine Rs and Vz. b. Determine Pz max for the Zener diode of part (a).

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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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

Please answer number 43 in step by step solution

*42. a. Determine VL, IL, Iz, and IR for the network of Fig. 2.186 if R1 = 180 N.
b. Repeat part (a) if R1, = 470 N.
c. Determine the value of R, that will establish maximum power conditions for the Zener diode.
d. Determine the minimum value of R to ensure that the Zener diode is in the "on" state.
%3D
Rs
220 2
IR
Vz = 10 V
RL
VL
20 V
= 400 mW
PZmax
FIG. 2.186
Problem 42.
*43. a. Design the network of Fig. 2.187 to maintain Vi at 12 V for a load variation (I,) from 0 mA
to 200 mA. That is, determine Rs and Vz.
b. Determine Pz max for the Zener diode of part (a).
*44. For the network of Fig. 2.188, determine the range of Vị that will maintain V, at 8 V and not
exceed the maximum power rating of the Zener diode.
Rs
Rs
V, o w
91 2
16 Vo
Vz = 8 V
0.22 k2
Vz
RL
= 400 mW
PZ max
RL
FIG. 2.188
FIG. 2.187
CS Scanned with CamScanner

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