James Newtons Massmind wrote: > The old school solution is a Big flywheel. If I understand Russell correctly, this will only solve part of the problem. Apparently there is a control loop adjusting the generator field current, and this has large overshoots to step inputs. If so, this would still be a problem even with a perfectly fixed shaft speed. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist