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The field control method provides the greatest speed range for a DC motor. By varying the strength of the magnetic field (flux) in the motor, this method allows for a significant adjustment in speed, often exceeding the limits of armature control alone. This technique can achieve both very low and very high speeds, making it highly versatile for various applications. However, it requires careful management to avoid issues such as field weakening, which can lead to instability.
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Why flux control method is independent of the load but armature control method depends on load in shunt motor?
The flux control method in a shunt motor adjusts the field current to change the magnetic flux, allowing for speed control that is independent of the load because it directly influences the motor's torque generation capacity without altering the armature circuit. In contrast, the armature control method involves varying the armature voltage or resistance, which directly affects the motor's speed and torque output; thus, it is load-dependent. As the load changes, the armature current also fluctuates, impacting speed and performance, making this method reliant on the load conditions.
How to control speed of dc motor using microprocessor 8085?
Here the DC motor is controlled by the microprocessor (8085). The kit used was dynalog 8085 kit. The DC motor is very difficult to control unlike the stepper motor, which can be controlled by giving the appropriate CONTROL WORD. By knowing the DC motor theory we know the different methods used to control the motor, the most primitive and the once upon a time the most popularly method was WARDLEONARD motor speed control, but this had many disadvantage, so the world of Electronics brought in the thyristor control, which were very flexible and can be employed to use AC instead of DC cause they had a inbuilt convertor. The thyristor-based system is good but when used with Microprocessor based speed controller they are really good. We have shown the block diagram, circuit diagram used by us to control a small tape recorder sized motor
Can a trolling motor be controlled with a Rheostat?
Yes, a trolling motor can be controlled with a rheostat, but it is not the most efficient method. A rheostat can adjust the voltage supplied to the motor, allowing for speed control. However, using a PWM (Pulse Width Modulation) controller is generally more effective, as it provides better efficiency and performance by reducing heat and power loss. For optimal control and longevity of the motor, a dedicated trolling motor controller is recommended.
What is the fullform of mcc panel?
mcc - motor control center or motor control console. A motor control center (MCC) is an assembly of one or more enclosed sections having a common power bus and principally containing motor control units
What is vf speed control?
It is used for sensorless motor control. With vf speed control u can control speed of any induction motor.
What are convectional and non convectional methods of speed control of a induction motor?
The flux control method is the convectional and the non-convectional method of speed control of an induction motor.
What is common methods control speed dc motor?
there are two methods i.e armature control method and field control method....
Would the ratio of motor neurons to muscle fibers be the greatest at the muscle that control the eye?
Yes, th ration of motor neurons to muscle fibers are greatest for the muscles that control eye.
How many Methods can be use to control the speed of Single Phase Induction Motor?
How many methods can be used to control the speed of Single Phase Induction Motor? 1.injecting emf method 2.by frequency control method 3.induced voltage method
What are the various method of speed control of 3 phase induction motor?
you can control the speed of a motor by changing frequency, increase or decrease the field winding or by voltage regulation. in these method you can controle the speed of athree phese motor SANDEEP SARKAR
Speed control method for synchronous motor?
True synchronous mode and self control mode
Why flux control method is independent of the load but armature control method depends on load in shunt motor?
The flux control method in a shunt motor adjusts the field current to change the magnetic flux, allowing for speed control that is independent of the load because it directly influences the motor's torque generation capacity without altering the armature circuit. In contrast, the armature control method involves varying the armature voltage or resistance, which directly affects the motor's speed and torque output; thus, it is load-dependent. As the load changes, the armature current also fluctuates, impacting speed and performance, making this method reliant on the load conditions.
What is the difference between vector control and Stator Voltage control method of induction motor?
I need the answer of this question plz!!
In what two ways can the speed of a dc motor be varied?
speed of a dc motor can be varied by mainly two methods:- 1)field control method 2)armature control method further , field control method can be divided in 3 parts:- 1)field rhestat control method---speed variation is acomplished by means of a variable resistance inserted in series with shunt field 2)reluctance control method---by changing the reluctance of magnetic circuit by choosing right material.. 3) field voltage control method-requires variable field voltage supply. and armature control method can be divided in 3 parts :- 1)armature resistance control---variable resisitance connected in series with armature 2)shunted armature control. 3)armature voltage control. ------------mrityunjay pandey (kiit university ,btech 2nd year)
Information on Feldenkrais exercises?
The Feldenkrais method of excercise is a method made to allow for dynamic movement and helps the disabled to regain motor control. More information can be found here: http://www.feldenkrais.com/method/article/anti_exercise_for_the_older_and_wiser/
What is wye delta motor control?
It is a method of starting a three phase motor at a lower than operating voltage. The motor is operated at that voltage for a short specific time and then the controls switch to the motors full run operating voltage.
Is there a method to control a dc motor speed by simple circuit?
The easiest way to control any electric current to any device is with the inline use of either a manual or electric reistate.
