Back E.M.F
By DarthVader
Date: 2025-05-18
Topic: 236 see comments
Post views: 160
Back E.M.F:
- Voltage generated by the rotation of armature coils in a motor through the magnetic field
- Acts to oppose the input voltage to the motor
- Can create dangerous reverse voltage spikes and damage components
Given by:
V = Blv
Where:
V = Voltage (back E.M.F) (V)
B = flux density (T)
l = length of the conductor (m)
v = velocity through the field (m s2)
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