Since the armature is wave wound, the magnetic flux per pole is 0.0274 Weber.
<u>Given the following data:</u>
- Number of armature conductors = 144 slots
- Number of poles = 4 poles
- Number of parallel paths = 2
To find the magnetic flux per pole:
Mathematically, the emf generated by a DC generator is given by the formula;
× ![\frac{P}{A}](https://tex.z-dn.net/?f=%5Cfrac%7BP%7D%7BA%7D)
<u>Where:</u>
- E is the electromotive force in the DC generator.
- Z is the total number of armature conductors.
- N is the speed or armature rotation in r.p.m.
- P is the number of poles.
- A is the number of parallel paths in armature.
First of all, we would determine the total number of armature conductors:
×
× ![3](https://tex.z-dn.net/?f=3)
Z = 864
Substituting the given parameters into the formula, we have;
× ![\frac{4}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7B2%7D)
× ![2](https://tex.z-dn.net/?f=2)
<em>Magnetic flux </em><em>=</em><em> 0.0274 Weber.</em>
Therefore, the magnetic flux per pole is 0.0274 Weber.
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