3 Period Alternator is generally known as that wherein the each winding voltage is identified being close to one hundred twenty ° from one particular phase along with the voltages in another two windings. The windings are found to get joined in addition to a three-phase output in the star. https://enginestarter01346.canariblogs.com/the-fact-about-engine-starter-that-no-one-is-suggesting-50060520