초록 ▼

A method for controlling the speed of an engine driving a generator supplying electrical current to a load includes the steps of monitoring the current, increasing the speed when the current increases and decreasing the speed when the current decreases. The governor apparatus used to carry out the m

A method for controlling the speed of an engine driving a generator supplying electrical current to a load includes the steps of monitoring the current, increasing the speed when the current increases and decreasing the speed when the current decreases. The governor apparatus used to carry out the method includes a microcontroller having a current and frequency look-up table embedded in it. For some part of the monitoring step, the engine runs at a first speed, e.g., idle speed, or some moderate speed above idle speed. The increasing step includes detecting an increase in the current to a value, determining from the look-up table the frequency corresponding to the value and increasing the speed of the engine until the frequency of the current is the frequency corresponding to the value. To state it in other words, the new method and apparatus control the engine at a modest speed when the generator is unloaded or lightly loaded and increases engine speed and current frequency with increases in generator load.

대표청구항 ▼

1. A method for controlling the speed of an engine driving a generator which supplies AC electrical current having a magnitude and frequency, to a load, the method including the steps of:monitoring the magnitude and the frequency of the AC electrical current supplied to the load; providing a user de

1. A method for controlling the speed of an engine driving a generator which supplies AC electrical current having a magnitude and frequency, to a load, the method including the steps of:monitoring the magnitude and the frequency of the AC electrical current supplied to the load; providing a user desired frequency corresponding to the magnitude of the current; and changing the engine speed until the frequency of the AC electrical current is substantially identical to the user desired frequency, the changing step including: increasing the engine speed when the magnitude of the AC electrical current increases; and decreasing the engine speed when the magnitude of the AC electrical current decreases.