Were you not able to accelerate your turbine/generator from rest / turning gear up to somewhat below synchronous speed?
Or were you able to accelerate your turbine/generator from rest / turning gear up to somewhat below synchronous speed but then were unable to adjust speed upward to achieve synchronism?
Is synchronizing a manual or automatic operation?
Was motorized adjustment of the speeder gear not working? If not, was it possible to adjust the speeder gear by hand right at the governor? Or did you even try that?
Remember: more information yields better answers.
CR
"As iron sharpens iron, so one person sharpens another." [Proverbs 27:17, NIV]