Conservation of Power in the armature circuit of a DC motor

In summary, the conversation discusses the topic of explaining the conservation of power in the armature circuit of a DC motor for a lab report. The person has obtained data and has learned about the Armature Copper Loss, but is unsure if there are any other sources of energy loss and if there is a power conservation equation for the armature circuit. More information is needed, such as the type and model of the motor and how the speed was increased. The conversation ends with the clarification that the data is from simulations using Matlab, with 50 load increases and zero losses.
  • #1
Cocoleia
295
4

Homework Statement


I am asked in a lab report to explain the conservation of power in the armature circuit of the DC motor.

Homework Equations


This is the data I have acquired:
upload_2017-10-15_14-58-33.png


The Attempt at a Solution


I have been reading around, and I have learned somewhat about the Armature Copper Loss. I am saying that this is one part of the energy that is lost in a DC motor. Is there any other source ? Is there a power conservation relation or equation for the armature circuit of a DC motor ? I mean, from looking at the data you can only see that as expected with a higher load you need more power. I don't know how to study the conservation of power of the armature circuit with this data ...

Thanks
 
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  • #2
You need to provide more information.

From the data you've obtained, it appears that the speed of your motor is increasing linearly with increase in load torque.
Which motor is it? How are you increasing the speed?
 
  • #3
cnh1995 said:
You need to provide more information.

From the data you've obtained, it appears that the speed of your motor is increasing linearly with increase in load torque.
Which motor is it? How are you increasing the speed?
This was all simulations done on Matlab. I just increased the load by 50 each time. It's a DC motor, I don't think they specified any type of model or anything
 
  • #4
This surely is a simulation result, because the speed increases very linearly with the load and the losses are zero. Did you set the value(s) for motor voltage and record the current?
 

1. What is the purpose of conserving power in the armature circuit of a DC motor?

The main purpose of conserving power in the armature circuit of a DC motor is to increase the efficiency and lifespan of the motor. By reducing power losses, the motor can operate more smoothly and with less wear and tear on its components.

2. How does the conservation of power affect the speed and torque of a DC motor?

Conserving power in the armature circuit of a DC motor can have a direct impact on its speed and torque. By minimizing power losses, the motor can operate at its maximum potential, resulting in higher speeds and stronger torque.

3. What are some common methods for conserving power in the armature circuit of a DC motor?

There are several methods for conserving power in the armature circuit of a DC motor, including using high-quality insulation materials, reducing resistance in the circuit, and improving ventilation to prevent overheating.

4. How can the conservation of power in the armature circuit benefit the environment?

By reducing energy consumption and improving the efficiency of DC motors, the conservation of power in the armature circuit can have a positive impact on the environment. It can help reduce carbon emissions and conserve natural resources.

5. What are some potential consequences of not conserving power in the armature circuit of a DC motor?

If power is not conserved in the armature circuit of a DC motor, it can lead to increased energy consumption, higher operating costs, and decreased motor performance. It may also result in overheating and potential damage to the motor's components.

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