High-frequency alternators with the variable-reluctance sort were being utilized commercially to radio transmission in small-frequency radio bands. These had been useful for transmitting Morse code and, experimentally, for transmitting voice and songs. From the Alexanderson alternator, each the sector winding and armature winding are stationary, and current is induced while https://hejiannuojinautopartsco25689.tkzblog.com/35295475/the-basic-principles-of-alternator