How to improve the method of natural power factors of generator sets

Starlight /Diesel generator setsDuring daily use, diesel engines generally have power loss, and the power factors of the generator set will also reduce 0.8, then how do we use to improve the power factors of diesel generator groups, Take the starlight / Cummins diesel generator group:
(1) Rational use of electric motor;
(2) Improve the quality of maintenance of asynchronous motors;
(3) Using synchronous motor: The active power consumed by the synchronous motor depends on the size of the mechanical load belt on the motor, and the reactive power depends on the excitation current size in the rotor. When the incentive state, the stator winding is absorbed to the grid \" \"Done, when the stator windings are\" sent out\"to the grid \"\"when the stunned state is. Therefore, large mechanism devices for long-term operation of constant speed can be used as a power of synchronous motors.
The asynchronous motor synchronous operation is to properly connect the asynchronous motor three-phase rotor winding and pass into the DC excitation current, so that it is running synchronous motor, which is \"asynchronous motor synchronization \".
(4) Reasonably select the change capacity, improve the way the change is moderated: a relatively low load rate, generally take \"withdrawal, change, and stop \", etc., so that its load rate is increased to ZUI , Thus improving the natural power factor of the grid.