- 1 What makes a motor rotate?
- 2 Why does an electric motor rotate?
- 3 What makes a motor spin faster?
- 4 How does electricity drive a motor?
- 5 How is an electric generator like an electric motor in reverse?
- 6 How do you make an electric motor more powerful?
- 7 What are the the 8 parts of an electric motor?
- 8 How do you slow down an engine?
- 9 What determines the speed of a motor?
- 10 Can a motor generate electricity?
- 11 What are the types of motor?
What makes a motor rotate?
A coil of wire carrying a current in a magnetic field experiences a force that tends to make it rotate. This effect can be used to make an electric motor.
Why does an electric motor rotate?
They operate using principles of electromagnetism, which shows that a force is applied when an electric current is present in a magnetic field. This force creates a torque on a loop of wire present in the magnetic field, which causes the motor to spin and perform useful work.
What makes a motor spin faster?
ANSWER: In order to make the motor spin faster or slower you must increase or decrease the strength of the magnetic field. This is done by either changing the amount of current running through the motor or varying the distance of the permanent magnets from the motor.
How does electricity drive a motor?
Electric motors work by converting electrical energy to mechanical energy in order to create motion. Force is generated within the motor through the interaction between a magnetic field and winding alternating (AC) or direct (DC) current. Electric Motors have an array of applications.
How is an electric generator like an electric motor in reverse?
A generator converts mechanical energy into electrical energy, while a motor does the opposite – it converts electrical energy into mechanical energy. What’s reversed is the flow of electricity, not the activity of the machine itself.
How do you make an electric motor more powerful?
We can increase the turning force (or torque) that the motor can create in three ways: either we can have a more powerful permanent magnet, or we can increase the electric current flowing through the wire, or we can make the coil so it has many “turns” (loops) of very thin wire instead of one “turn” of thick wire.
What are the the 8 parts of an electric motor?
These components are: a stator, a rotor, a yoke, poles, armature windings, field windings, commutator, and brushes. Many of its parts are the same as parts of AC motor, but with a little change.
How do you slow down an engine?
A couple of things you can do:
- Use gears to change ratio of speed, which is what you’re going to do.
- Use a stepper motor, which are commonly used for high-torque, low RPM applications.
- Find some sort of PWM control circuit to slow it down, although you probably won’t be able to get it down to 5-10RPM.
What determines the speed of a motor?
The rotating speed of an electric motor depends on two factors: its physical construction, and the frequency (Hz) of the voltage supply. Electrical engineers select the speed of a motor based on the needs of each application, similar to how the mechanical load determines the horsepower required.
Can a motor generate electricity?
You can use just about any motor to generate electric current, if it is wired correctly and you follow specific rules for its use. Modern AC induction motors are quite simple to wire as alternating current generators, and most will begin generating electricity the first time you use them.
What are the types of motor?
Types of Electric Motors
- 1). DC Shunt Motor.
- 2). Separately Excited Motor.
- 3). DC Series Motor.
- 4). PMDC Motor.
- 5). DC Compound Motor.
- 1). Synchronous Motor.
- 2). Induction Motor.
- 1). Stepper Motor.