| http://www.w3.org/ns/prov#value | - In order to eliminate f order permeance in case that m is an odd number in the general expression, the electrical angle ?? in Formula 15 is obtained. 1 + ??? k = 1 ( m - 1 ) / 2 cos fk ?? = 0 ( 15 ) In order to eliminate the seventh order permeance, Formula 16 is established. 1 + ??? k = 1 ( m - 1 ) / 2 cos 7 k ?? 2 = 0 ( 16 ) Then, the electrical angles ??1 and ??2 are select as ??2??????????1.
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