In a DC servo motor system, the tachometer feeds back a voltage that’s proportional to motor speed. Where does this voltage go to? A. The driver B. The CPU in the main controller C. The interpolator card D. The axis logic card
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In a DC servo motor system, the tachometer feeds back a voltage that’s proportional to motor speed. Where does this voltage go to?
A. The driver
B. The CPU in the main controller
C. The interpolator card
D. The axis logic card
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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…Problem') A single-phase full-wave AC/AC voltage controller has input rms voltage Vs - 220 V,50 Hz, load R 100 2, and the firing angle a= 60° for the thyristors T1 and T2. Determine the output rms voltage VO and current IO, and the DPF.Please solve last time rejected. For ac voltage controller type with an input of 230 V, 50 Hz is connected to a resistive load of 20 ohms. The circuit is operating with the switch ON for 30 cycles and OFF for30 cycles Determine1)r.m.s output current and2) input power factor.
- List some advantages of solid-state control.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.a) The speed control of an AC motor can be achieved by using 2 common types of drive circuit, namely the six step and the PWM types. Describe with the aim of diagrams, the difference between the two types of controller. You should list and explain the power electronic devices used, as well as the details of the DC link for each device.
- 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 SensorDA 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)).A 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. L₁ + 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 (a). 3) Calculate the maximum and minimum values of the armature current (la). 4) Sketch the armature current (ia (t)) and the supply current (id (t)).
- A voltage regulator is added to a synchronous generator for automatic field control. The voltage regulator is shown in figure 1. The generator is operating at 60 Hz, and the generator field resistance is Rf = 4Q. Voltage constant k. = 0.022 for the machine. a. The generator is originally loaded with a terminal voltage magnitude of V, = 275 V. In the controller, V = 280 V and Vo = 150 v. The controller has a constant gain of kỵ = 2.5. Find the field voltage V;, the field current I, and Ef. b. The load is changed, and after the field controller has adjusted the field voltage, the terminal voltage magnitude V; has dropped to 265 V. The controller inputs and gain remain the same. Determine the new value of Ef. Vro ey Ve ky Generator Figure 1. Voltage Regulator.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 WWhich machine the following equation is describing? Vs = Ris + V₁ + Vc A. Series RLC circuit B. Separately excited DC motor C. Permanent magnet DC motor