Frequency stabilization

[elecpipe]

I am currently working on a project to put an extruding machine onto a pipe laying barge. the problem is the ships power has permanent frequency variations of ±5%and
transient variations due to step changes in load of ±10% frequency deviation and the manufacturer of the the equipment will only accept a 2% deviation. This is a 3 phase 440v 60Hz system the power passes through an isolation transformer before connecting to the equipment. Any suggestions on how to reduce this deviations

 

[davidbeach]

About the only way you will get there is through a rectifier/DC link/inverter system to isolate the AC frequency of the source from the AC frequency of the load. Something like a variable frequency drive, operating in a constant output frequency mode.

 

[busbar]

I think you may be battling basic physics—reduce load or stiffen the source; id est, a bigger genset.