The difference is that the LCI can do this job at a wide variety of frequencies, including frequencies higher than line frequency, thus even enabling supersynchronous (> synchronous speed) operation. The incher was limited to one slow speed.
The difference is that the LCI can do this job at a wide variety of frequencies, including frequencies higher than line frequency, thus even enabling supersynchronous (> synchronous speed) operation. The incher was limited to one slow speed.