Researching of Direct Current Motors and Circuits Essay

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Introduction

Direct current and alternating current motors are the two main types of motors. A direct current motor, also known as a DC motor, is a device that transforms electrical energy into mechanical energy (Herman 10). Electric power is the rate of total energy transferred by an electric circuit per unit of time. The SI unit of power is the Watt and is denoted by P. In this context, Independent electronic components like resistors, semiconductors, capacitors, inductors, and diodes are interconnected by conductors or wires through which electrical current flows to form an electric circuit. We’ll learn about the design of a DC motor and how it transforms DC electrical power into mechanical power.

Parts of a DC Motor

There are different types of DC motors but each of them is equipped with either an electronic or an internal electromechanical mechanism for adjusting the direction of current in the motor (Bisoi and Ranjan 305). These are the parts of the DC motor:

  • A Stator- The stator, as its name implies, is a static component of a DC motor that houses the field coils and receives power.
  • A rotor- The rotor, which produces the dynamic rotations of the unit, is the dynamic component of a DC motor.
  • Yoke- This shielding cover protects the motor’s internal components while also supporting the armature. To aid in the support of the field system, the yoke also holds the magnetic poles and windings of a DC motor.

How a DC Motor works

The rotor is usually found on the inside of the engine, while the stator is found on the exterior. The rotor has coil windings that are driven by Direct current, while the stator has either magnets or electromagnetic windings. As Current direct flow is used to power the motor, a magnetic field is generated inside the stator, drawing and repelling the magnets on the rotor. Basically, the working principle of a DC motor is when placed in a magnetic field, an active power conductor develops torque and begins to travel. In a nutshell, when electric and magnetic fields interact, a mechanical effect is generated. This is the basic operating concept of DC motors (Bisoi and Ranjan 309).

Application of DC motors

Loaders, turntables, and other devices that require adjustable pace and steady or low-speed torque are all good candidates for DC motors. They also work well in systems like dynamic braking and reversal, which are popular in industrial machinery.

Advantages and disadvantages of DC motors

Brushed DC motors work well when it comes to building and controlling speed. Such motors have a significantly higher torque. A DC motor is quiet and has a huge spectrum of speed control. The intermodulation distortion is minimal, and the workload capability is high (Bisoi and Ranjan 306).

The design of the DC motor is one of its drawbacks. The design of the DC motor is one of its drawbacks. In between the commutator and the brush, there is a slipping touch. Sparks and mechanical wear occur as a result of this. For this, direct current motors have a comparatively short life span and a high cost of maintenance.

Conclusion

This study has shown the various parts of a direct current motor and how circuits are involved in the working of a DC motor to convert electric energy to mechanical power. The design that DC motors have has has both its advantages and its disadvantages, as seen in the study.

References

Bisoi, Alfa, A. K. Samantaray, and Ranjan Bhattacharyya. “Control strategies for DC motors driving rotor dynamic systems through resonance.” Journal of Sound and Vibration 411 (2017): 304-327.

Gorospe Jr, George E., et al. “A study of the degradation of electronic speed controllers for brushless dc motors.” (2017).

Herman, Stephen L. Electric motor control. Cengage Learning, 2014.

Mohammed, Osama A., S. Liu, and Z. Liu. “A phase variable model of brushless dc motors based on finite element analysis and its coupling with external circuits.” IEEE Transactions on Magnetics 41.5 (2005): 1576-1579.

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IvyPanda. (2022, July 21). Researching of Direct Current Motors and Circuits. https://ivypanda.com/essays/researching-of-direct-current-motors-and-circuits/

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"Researching of Direct Current Motors and Circuits." IvyPanda, 21 July 2022, ivypanda.com/essays/researching-of-direct-current-motors-and-circuits/.

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IvyPanda. (2022) 'Researching of Direct Current Motors and Circuits'. 21 July.

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IvyPanda. 2022. "Researching of Direct Current Motors and Circuits." July 21, 2022. https://ivypanda.com/essays/researching-of-direct-current-motors-and-circuits/.

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IvyPanda. "Researching of Direct Current Motors and Circuits." July 21, 2022. https://ivypanda.com/essays/researching-of-direct-current-motors-and-circuits/.

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