Back EMF in DC Shunt Motor
Whenever the DC shunt Motor’s armature winding rotates inside the magnetic field which is produced by the field winding. In this way an E.M.F can be stimulated inside the armature winding based on the Faraday’s law (electromagnetic induction). Albeit, as per Lenz’s law, the induced E.M.F can act inside reverse direction toward the armature voltage supply.
Hence, this E.M.F is named as the back E.M.F, and it is addressed with Eb. Numerically, this can be communicated as,
Eb = (ΦZNP) / 60A
Where ,
Φ = Flux for each pole within Wb
Z = No. of armature conductors
N = Speed of the motor (revolutions per minute)
P = no. of poles
A = No. of parallel paths
DC Shunt Motor
In the world of electric motors, the DC shunt engine remains a demonstration of dependability, flexibility, and perseverance. Whether you are in a modern setting, driving a conveyor belt, controlling the speed of a rolling mill, or changing the volume on an old stereo system, odds are good that you’ve experienced a DC shunt motor at work. In electrical motors, series circuits, and equal circuits are ordinarily known as series and shunt. Hence, in DC motors, the associations of the field windings, as well as the armature, should be possibly equal, which is known as DC shunt motors. The principal contrast between DC series motors as well as DC shunt motors primarily incorporates the construction, operation, and speed characteristics. This motor gives highlights like simple turning around control and speed guidelines, and it is low to begin force. Hence, this motor can be utilized for belt-driven applications inside autos as well as modern applications.
Table of Content
- DC Shunt Motor
- Construction and Working Principles
- Back EMF
- Speed Control
- Brake Test
- Characteristics
- Advantages
- Disadvantages
- Applications
- Example Problem