Problem 2 The battery voltage of the rectifier in Figure below is E = 20V and its capacity is 100 Wh. The average charging current should be Idc = 5A. The primary input voltage is Vp = 120V, 60 Hz and the transformer have a turns ration of n =2:1. Calculate: a) The conduction angle of the diode b) The current-limiting resistance R c) The power rating PR of R d) The charging time ho in hours e) The rectifier efficiency f) The PIV of the diode g) Produce appropriate waveforms using Simulink (input voltage, input current, RMS and average currents) n:1 R

Problem 2 The battery voltage of the rectifier in Figure below is E = 20V and its capacity is 100 Wh. The average charging current should be Idc = 5A. The primary input voltage is Vp = 120V, 60 Hz and the transformer have a turns ration of n =2:1. Calculate: a) The conduction angle of the diode b) The current-limiting resistance R c) The power rating PR of R d) The charging time ho in hours e) The rectifier efficiency f) The PIV of the diode g) Produce appropriate waveforms using Simulink (input voltage, input current, RMS and average currents) n:1 R

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

Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors. The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.

Question

Please explain how each one is found with details. Thank you

Problem 2
The battery voltage of the rectifier in Figure below is E = 20V and its capacity is 100 Wh. The
average charging current should be Idc = 5A. The primary input voltage is Vp = 120V, 60 Hz
and the transformer have a turns ration of n =2:1. Calculate:
a) The conduction angle of the diode
b) The current-limiting resistance R
c) The power rating PR of R
d) The charging time họ in hours
e) The rectifier efficiency
f) The PIV of the diode
g) Produce appropriate waveforms using Simulink (input voltage, input current, RMS and
average currents)
n:1
R
D1

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