1. What is the purpose of using digital to analog conversion?
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Q: 1.7)The armature of a 4-pole de machine rotates at 840 rpm .The armature length and diameter are 40…
A: The answer to the above problem is provided below. Hope it helps.
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- Create the MikroC Code for this schematic. It is for controlling and monitoring multiple DC Motors using PIC16F877A. The temperature sensor will utilize the Analog-to-Digital Converter module of a PIC microcontroller, particularly the PIC16F877A. The temperature reading is then displayed continuously on a Liquid Crystal Display (LCD). The temperature sensor and the LCD are connected to the master microcontroller; on the other hand, the other output components are connected to the slave. The two microcontrollers will communicate using the Universal Asynchronous Receiver-Transmitter (UART) module. For the output part of the system, the robot will do its firefighting task if the sensor reaches a reading of 68 degrees Celsisus. Furthermore, the robot also utilizes RGB LED and a buzzer as an output indicator of the system. For the wheels, the researchers represented it using DC motors connected to relays in order for them to be easily turned on and off. In the same way, the water pump of…The figure below shows a stepper motor. Determine the step angle for Full and Half stepping operation: Phase 4 N Phase 3 N pole S pole H Phase 1 S N Rotor Phase 2 This portion of the exercise you need not submit for this assignment. But educating yourself with this might help in the 3rd exam. Assuming, a logic-1 power (signal) to a phase produces South pole on the stator facing the rotor, give the powering sequence of the stator windings for one full rotation of the rotor in Full and Half step modes.The input current to a 220v, compound motor at no load is 6 A. The shunt field circuit resistance is 220 ohms; the armature resistance is 0.10 ohm and the series field resistance is 0.80 ohm. What is the SPL? A. 1153.31 W B. 1066.22 W C. 1232.54 W D. 1073.25 W
- DA de machine is controlled by the step-down de-de converter shown below. The armature inductance La =0.2 mH and the armature resistance can be neglected. The armature current is 5A. The Buck converter is operating at the switching frequency is 30 kHz and the duty ratio is 0.8. + > ~ Answer the following questions: 1) Calculate the input voltage (Va) if the output voltage (ea = 200 V). 2) Find the ripple in the armature current (la). 3) Calculate the maximum and minimum values of the armature current (la). 4) Sketch the armature current (ia (t)) and the supply current (ig(t)).help me in these questions pls write the questions with the and by (Computer) 1-Which of the following statements INCORRECTLY explain the label in the figure about LVDT working principles? a. Secondary coils are connected in series in such a way that their output is opposing each other. b. Constant DC voltage input to primary coil. c. Displacement moves ferrous rod from central position. d. The difference of the output voltage between the two secondary voltage.==========2- Explain the working principle of the measurement system in the figure below.i. Force input that is supplied to the sensor is processed to give the response in the form of raw output signal.ii. Signal conditioner manipulated the weak signal to give a conditioned input.iii. Analog or digital indicator display the unit that gives output reading of quantity being measured.iv. Measured value is compared with the input value for further action. a. ii, iii and iv only. b. i, ii and iv only. c. i, ii and…Please all subparts
- Q4/ Chose the correct answer for the following 1. In BLDC motor field winding is kept on a) Stator b) Rotor c) Can be placed anywhere d) Absent 2. By electronic circuitry BLDC can be controlled for both constant and variable torque operation. a) True b) False 3. In medical fields which DC motor is widely used? a) PMDC b) BLDC 4. Construction of BLDC is exactly similar to the a) Conventional DC motor c) Permanent magnet synchronous motor b) Induction motor 5. Typical brushless motor doesn't have a) Commutator b) Permanent magnet 6. The sensor most commonly used in the BLDC motor is a) Thermo Sensor b) Relay Sensor c) Brushed DC motor d) Cannot be determined d) Totally different construction c) Electronic controller d) Fixed armature c) Hall Sensor d) Power SensorQuestion-1 Can you throw the emergency solution? I would appreciate it if you write legibly.What is the fundamental frequency of the following variable speed drive signal? +Volts -Volts frequency 25 Hz frequency3KHz O a. None of the choices O b. 1500 Hertz O c. 50 Hertz O d. 3000 Hertz ○ e. 25 Hertz
- What are buck and boost converters and how are they used in power electronics?The supply voltage to a DC motor is 160V. If the back emf Ez=155V and the armature resistance A6 is 0.250, the armature current is a) 5A b) 10A c) 15A d) 20A 1800 ro/min The frequencyList some advantages of solid-state control.