Of chattogram polytechnic institute



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AC Machines Thesis
SOFT STARTER

Soft starter is an electronic device that is used to start and stop an electric motor smoothly. It does this by gradually increasing the voltage and current to the motor, which helps to reduce the mechanical stress on the motor and the electrical system. Soft starters are often used in applications where the motor is started and stopped frequently, such as in conveyor systems and machine tools.

AC DRIVE


AC drive is a type of motor controller that is used to control the speed and torque of an AC motor. AC drives use a variety of techniques to control the motor, such as pulse-width modulation (PWM) and vector control. AC drives are often used in applications where the motor needs to be operated at variable speeds, such as in fans, pumps, and conveyors.

DC DRIVE


DC drive is a type of motor controller that is used to control the speed and torque of a DC motor. DC drives use a variety of techniques to control the motor, such as pulse-width modulation (PWM) and field weakening. DC drives are often used in applications where the motor needs to be operated at variable speeds, such as in robots and machine tools.

HUMAN-MACHINE INTERFACE


HMI stands for human-machine interface. It is a device that is used to interact with a machine or process. HMIs typically consist of a display and a keypad, and they can be used to start and stop the machine, adjust the speed and torque of the motor, and view diagnostic information.


SENSOR


Sensor is a device that detects a physical quantity and converts it into a signal that can be read by a machine. There are many different types of sensors, such as temperature sensors, pressure sensors, and proximity sensors. Sensors are used in a wide variety of applications, such as in manufacturing, healthcare, and transportation.
PROXIMITY SENSOR

Proximity sensor is a type of sensor that detects the presence of an object without physical contact. Proximity sensors use a variety of technologies to detect objects, such as ultrasonic waves, infrared radiation, and magnetic fields. Proximity sensors are used in a wide variety of applications, such as in automated manufacturing, security systems, and robotics.


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