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How does an Electric Motor work? (DC Motor)

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How does an Electric Motor work? (DC Motor)

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Electric motors can seem very mysterious! How do they use electricity to start rotating? Let's break it down step by step to understand how it works. Topics covered in this video: circuits, current, magnets, electromagnets, armature, commutator, brushes, stator, and rotor. This video only covers DC motors.

⌚Timestamps:
00:00 - Intro
00:41 - Circuits
01:22 - Magnets
02:27 - Electromagets
04:28 - Improvements to Electric Motor
05:00 - Commutator and Brushes
07:19 - Improving Torque
08:20 - Devices with Motors
09:00 - Brilliant

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Special thanks to those that reviewed this video:
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Internet Sources:



-- How DC Motors Work (National MagLab)
-- How DC motors and universal motors work (Matthias Wandel)
-- How does an Electromagnet work? (Science Buddies)
-- DC Motor Explained - Basic working principle how DC motor works (The Engineering Mindset)

Book Sources:
Schaum's Outline of Basic Electricity, Second Edition by Milton Gussow

How Things Work: The Physics of Everyday Life, 4th Edition by Louis A. Bloomfield


Electric motor image credit:
By Marrrci - Own work, CC BY-SA 3.0,

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Hot Stuff By Brasko

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How does an Electric Motor work? DC Motor explained

DC Motor explained - in this video we look at how does a dc motor work to understand the basic working principle of a DC motor. We consider conventional current, electron flow, the winding, armature, rotor, shaft, stator, brushes, brush arms, terminals, emf, electromagnets, magnetic attraction as well as detailed animations for how the dc motor works.

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dc motor,

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DC Motor, How it works?

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The working of a DC motor is well explained in this video with the help of animation. Construction details of DC Motor, Shunt & Series motor, concept of back EMF are also explained in this video.

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Working Principle of DC Motor (animation of elementary model)

Working Principle of DC Motor - Video gives an brief explanation in form of animation how does DC Motor works. Also you can view working principle on elementary model with poles, commutators, brushes, turns and what role in working principles has mechanical force.

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PRINCIPLE OF DC MOTOR
This DC or direct current motor works on the principal, when a current carrying conductor is placed in a magnetic field, it experiences a torque and has a tendency to move.
This is known as motoring action. If the direction of current in the wire is reversed, the direction of rotation also reverses. When magnetic field and electric field interact they produce a mechanical force, and based on that the working principle of DC motor is established.

The direction of rotation of a this motor is given by Fleming’s left hand rule, which states that if the index finger, middle finger and thumb of your left hand are extended mutually perpendicular to each other and if the index finger represents the direction of magnetic field, middle finger indicates the direction of current, then the thumb represents the direction in which force is experienced by the shaft of the DC motor.
Structurally and construction wise a direct current motor is exactly similar to a DC generator, but electrically it is just the opposite. Here we unlike a generator we supply electrical energy to the input port and derive mechanical energy from the output port

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How Motors Work For Beginners (Episode 1): The DC Motor: 032

I explain how the DC motor works in a simply and patient way. I use several experiments that you can copy at home. Then I show a Treadmill DC motor cut open and working so we can see the moving parts!

Watch the Whole Series Here.



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Technical Notes and Corrections
Nothing to report yet.

Resources used in this series
Video references
AC Motors


Motor Basics (three phase)



AC Motors and Generators



DC Motors and Generators



Brushless DC Motors and Brushed DC Motors Explained


What is Ground



What is electricity



How to read a schematic





Websites






motors/principle-of-operation




Induction motor as a Generator


Books
Single -Phase Motor series number 723 by Edward Amrein
Not on amazon.

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DC Theory by NJATC


AC Theory (get the used one, don’t spend $100) by NJATC


Three Phase Motors Series number 724 by Edward Amrein


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Tachometer RPM gauge


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How DC motors and universal motors work

Explaining how commutated DC and universal motors work

Brushless DC Motor, How it works ?

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The working of a BLDC motor is explained in this video with help of animation.

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d.c motor | d.c motor working principle | d.c motor working and construction

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1:03 - working Principle of a D.C motor and Construction of a simplest Possible D.C motor.
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Construction and Working of a DC Motor (3D Animation)

Re-uploaded with updates: Details of construction and working of a dc motor is explained in this video.

How Electric Motors Work - 3 phase AC induction motors ac motor

How Electric Motor Works - 3 phase induction motor AC alternating current.
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Learn from the basics how an electric motor works, where they are used, why they are used, the main parts, the electrical wiring connections, induction motor, alternating current AC, electrical machines, rotating magnetic field, star delta, wye delta.

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????How electricity works:
????Three Phase Electricity:
????How Inverters work:
????How TRANSFORMER works:
????How 3 Phase electricity works:
????How Induction motor works:
????What is a KWH:
????How induction motor works:

❄️ CHILLER ENGINEERING ❄️
????Chiller Efficiency improvements:
????Chilled water schematics:
????Chiller crash course:
????Chiller types:
????Chillers/AHU/RTU:
????Water cooled chiller Part1:
????Water cooled chiller Part2:
????Water cooled chiller advanced:
????Air cooled chiller:
????Absorption Chiller :
????Chiller/Cooling tower/AHU:
????Chiller flow rate:
????Chiller fault troubleshooting:
????Chiller COP calculation:
????Chiller cooling capacity calcs:
????Chiller compressors:
????Chiller expansion valve:
????Chiller surge:
????Chiller condenser:
????Chiller evaporator:
????Chiller compressor centrifugal:
????Chiller cooling capacity:

????️ HVAC ENGINEERING ????️
????HVAC Basics:
????Boilers/AHU/FCU:
????How Heat Pump works:
????Heat pumps advanced:
????Fan Coil Units:
????VAV Systems:
????CAV Systems:
????VRF Units:
????Cooling load calculations:
????Pulley belt calculations:
????Pump calculations:
????Fan and motor calculations:
????HVAC Cooling coils:
????Cooling towers:

⚗️ REFRIGERATION SYSTEMS ????️
????How refrigerants work:
????Thermal expansion valves:
????Refrigeration design software:
????Design refrigeration system:
????Reversing valve:
????How A/C units work:

⚗️ REFRIGERANTS ⚗️
????Refrierant retrofit guide:
????Refrigerant types, future:
????How refrigerants work:

???? HYDRONICS ????
????Primary & Secondary system:
????Pumps:
????Pump calculations:

????➡️❄️ HEAT EXCHANGERS ????➡️❄️
????Plate Heat Exchangers:
????Micro plate heat exchanger:

???? DATA CENTERS ????
????Data Center cooling:

???? PHYSICS ????
????What is Density:

???? DOCUMENTARY ????
????WW2 Bunker HVAC engineering: ac motor
#engineering #electrical #tesla synchronous motor amp 3 phase AC induction motors ac motor electrical machines tesla synchronous motor rotating magnetic field amp
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DC MOTORS AND GENERATORS

DC MOTORS AND GENERATORS - Department of Defense 1961 - PIN 29942 - DESIGN, APPLICATION, AND OPERATION OF BASIC, SERIES, SHUNT, AND COMPOUND WOUND TYPE DC GENERATORS AND MOTORS.

DC Motor vs AC Motor - Difference between DC Motor and AC Motor

DC Motor vs AC Motor - Difference between DC Motor and AC Motor

The main difference between AC motors and DC motors can be found in the name itself for, DC motors run on direct current as opposed to alternating current on which AC motors run.
In this video we will go to learn Difference between AC motor and DC motor.

#AC_Motor #DC_Motor #Electric_Motor #Induction_Motor

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12 volt motor,12v dc motor,2 hp electric motor,3 phase motor,ac fan motor,ac motor,ac thermostat,bldc motor,brushed motor,brushless dc motor,dc motor,dc motor controller,dc motor speed control,electric motor,ge motors,how does an electric motor work,induction motor,marathon electric motors,motor,servo motor,small dc motor,small electric motors,synchronous motor,variable speed motor,learning engineering

What is a BRUSHLESS MOTOR and how it works - Torque - Hall effect - 3D animation

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In this video we will talk about a DC motor which is the ideal choice for many applications where it’s needed: reliabilit, low maintenance, less noise, speed control and low cost

In the specific, we are going to see how does a brushless DC motor works.
We can assume already by its name, that this type of electric motor has no brushes.
As we have already seen in our previous video about the working priciple of DC motors, the brushes are sliding devices which allow the electricity to flow into the copper coil of the engine.
The brushless motor have no sliding elements on the collector, so, this completely solves the problem of maintenance and replacement of brushes and other electrical contacts.
Unlike the common DC motors, that use brushes for their functioning, brushless motors do not produce sparking or friction noises within them.
This is a very interesting feature of brushless motors, becouse allows them to be suitable for use in environments where sparks are dangerous. For example in environments where ignitable gases are present.
This type of motor has a rotor with permanent magnets, it could not be otherwise, since there are no contacts on the rotor, as we already said.
Its stator has electromagnets excited by windings in coils.
This is an important difference compared to the traditional brushes DC motor, since the latter can have both stator and rotor composed of electromagnets, to increase the magnetic fields and therefore have an higher mechanical power density by unit of weight of the motor.
The torque of the brushless motor is due to the magnetic interaction imposed by the electromagnets on the permanent magnets.
There is a precise sequence of excitation of the electromagnets which imposes to the permanent magnets an angular movement, which is always in the same direction, and it is as constant as possible under the same excitation.
When electricity flows into coil 1, the opposite poles of the rotor and stator are attracted to each other.
When the rotor is getting closed to the coil 1, the electricity flows in the coil 2. When the rotor is getting closed to the coil 2, the electricity flows in the coil 3. Later in the coil 1 the electricity will flow again, but with opposite polarity. This process is repeated continuously inside the engine ensuring a constant rotation of the rotor.
Obviously the sequence is cyclical and the rotor continues its rotation until it is powered, repeating the sequence, from time to time.
To be more specific: the sequence of excitation of the electromagnets inside the stator is such that the magnets of the rotor are attracted to the electromagnets without never reaching them, as the excitation is always and only of those coils not yet reached.
An example to better understand this principle is represented by the dog race in which a hare is placed in front of the greyhounds at such a distance to be seen but never reached.
In this metaphor, the dogs represent the rotor that follows the magnetic flux generated in exact sequence in the coils of the stator.
In the case of more coils, always multiples of 2, it makes sense to use a sequence that uses them all, to increase the magnetic flux to which the permanent magnets are subjected, and turning off only the opposite electromagnets.
This simple foresight increases the torque, that is the power that the motor can supply, without substantially modifying its design criteria.
The greater the number of coils, the smoother is the rotation of the rotor, which will thus have a constant torque.
But how does our brushless motor know the precise moment in which to excite the correct sequence of electromagnets which allow continuity of the rotary motion?
For this purpose, an electronic controller is typically used. This controller has a sensor to detect the exact position of the rotor magnets and thus decide which coil energize by following the right excitation sequence.
The modern brushless motor sensors uses the Hall effect.
In this animation we can observe the configuration of a standard sensor.
This is a simple 2-pole device that can drive 2 or 4 or 8 or more electromagnets in the just seen sequence.
This, is instead the representation of a classic circuit layout with protection diodes. The presence of diodes is necessary to protect the sensor from negative self inductance, in case we need to suddently block the power supply from one of the coils.
There are basically 2 families of brushless motors. Those with external stator and those with internal stator.
We can summarize the main strength points of the brushless DC motor...

How DC Motors Work

DC motors make things like appliances and power tools work by converting electrical energy to mechanical energy. Find out how.

DC Motors: How Do They Work? Construction & Working Principle of a DC Motor | Electrical4U

Understand EXACTLY how a DC Motor works. We discuss the construction & working principle of a DC Motor. Using Fleming’s left-hand rule, we show you how to determine the direction the winding will spin. Learn more about the operation of DC motors:

The DC motor is of vital importance for the industry today and is equally important for engineers to look into the working principle of DC motor in details that we have discussed in this article. To understand the operating principle of DC motor we need to first look into its single loop constructional feature.

The very basic construction of a DC motor contains a current-carrying armature, connected to the supply end through commutator segments and brushes. The armature is placed in between the north pole and south pole of a permanent or an electromagnet as shown in the diagram above.

As soon as we supply direct current in the armature, a mechanical force acts on it due to the electromagnetic effect of the magnet on armature conductors. Now to go into the details of the operating principle of DC motor it is important that we have a clear understanding of Fleming’s left-hand rule to determine the direction of the force acting on the armature conductors of DC motor.

Comment below with any additional questions you have. If you enjoyed this video on DC Motors and want to see more like it, please LIKE and SUBSCRIBE to our Youtube channel.
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How DC motors work - Electromagnetic Field and 3D animation

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Please watch: What is an INDUCTION MOTOR and how it works? Rotating magnetic field - 3D animation
--~--

How DC motors work? In this video you can understand the working principle of a DC motor following step by step the description of every single component.

HOW A DC MOTOR WORKS?
After talking about the history and the basic principles of electric motors.
After demostrating the Lorentz force principle.
After building a small version of a DC motor with everyday materials.
After having disassemble a real version of a DC motor.
In this video we are going to explain in detail the functioning of a dc motor.
Let us take the example of the most simple version of a DC motor:
This is the stator which is responsible for the creation of a magnetic field.
This is the armature with a simple copper coil and represents the rotating part of this engine.
The armature receive the electric current thanks to its connection with the collector.
Like we’ve already seen in our last experiment, the Lorentz force was responsible for the rotation of the tin wire placed over a battery and a magnet. The wire was immersed in a magnetic field and while the electricity flowed into it a perpendicular force acted on it letting the rotation happen. This force was perpendicular to the motion of the charged particles. Here again the Lorentz force is responsible for the rotation of the copper coil, in fact when the electricity flows through the coil, an electromagnetic force acts on it.
These are the brushes, which are able to let the electricity flows into the copper coil of our engine.
When the electricity flows into the coil we notice that on the left side of the coil the electricity will always flows away from us. While on the right side electricity will alway flows towards us.
This ensures that the torque action is also in the same direction throughout the motion of the coil.
But in this situation, the torque action is not the same during the whole rotation of the coil. In fact, we can notice a slowdown of the rotation when the coil is nearly perpendicular to the magnetic field flux. That’s becouse in this position the value of the tourque action is near zero.
By adding a second coil to the rotor the rotation will be more regular, since in this way, when the first coil is in the vertical position, the second coil will be connected to the power source, so that the motor force will be always present in the system.
The presence of more coils into the rotor wil make the rotation smoother
La presenza di più bobine all’interno del rotore renderà la rotazione del motore più regolare.
The brushes are pushed against the collector through some springs, allowing the current flow to not be altered when the brushes are consuming due to their Mechanical friction with the commutator.

How do DC motors work?

Using a model , I explain the basics of a DC motor; how it relies on the motor effect and the importance of the split ring commutator for its working.

Check out my video on motors vs generators -
Check out my video on the Motor effect -
Check out my video on torque -
See a sampe DC motor problem -

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How DC motor works in urdu | what is inside dc motor

How DC motor works in Urdu | what is inside dc motor
In this video I perform complete operation of a small toys dc motor
and explain what is inside dc motor.

DC motor is an electrical device which converts dc electrical energy into mechanical energy so in this tutorial I open a permanent magnet dc motor and explain its parts and dc motor construction.

There are 2 main parts of a dc motor armature and field or armature winding and field winding commutator motor is a motor or commutator is a part of motor which transfer the supply into armature winding with the help of carbon brushes.
There are main 3 types of dc motors dc series motor dc shunt motor and dc compound motor.

So you can see dc motor inner parts small dc motor winding commutator in dc motor and learn some basics things like how dc motor works how dc motor made how dc motor rotates dc motor working small dc motor uses and all about permanent magnet dc motor in Hindi language.

#dcmotor #motor #permanentmagnetdcmotor #howdcmotorworks #dcmotorinurdu #whatismotor #electricaldevice

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GCSE Physics - How the Electric Motor Works #80

This video covers:
- How the electric motor uses electricity to create rotational motion
- A quick recap of the motor effect and Fleming's left hand rule
- How a split-ring commutator works
- Where electric motors are used
- How to increase the speed or strength of an electric motor

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How Do Motors Work? (Mr. Wizard)

Mr. Wizard demonstrates how motors work. Subscribe now for more science, nature and technology clips from the 1980's Nickelodeon show, Mr. Wizard's World, every week on #WizardWednesdays.

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