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A method and system for connecting a plurality of power generators, each having an electrical power converter output and adjustable output voltage magnitude and frequency, with at least one digital communications bus to provide synchronization and load sharing. One of the plurality of power generato

A method and system for connecting a plurality of power generators, each having an electrical power converter output and adjustable output voltage magnitude and frequency, with at least one digital communications bus to provide synchronization and load sharing. One of the plurality of power generators is designated a master unit and the remainder are designated as slave units.

대표청구항 ▼

A method and system for connecting a plurality of power generators, each having an electrical power converter output and adjustable output voltage magnitude and frequency, with at least one digital communications bus to provide synchronization and load sharing. One of the plurality of power generato

A method and system for connecting a plurality of power generators, each having an electrical power converter output and adjustable output voltage magnitude and frequency, with at least one digital communications bus to provide synchronization and load sharing. One of the plurality of power generators is designated a master unit and the remainder are designated as slave units. various information detected by said operation condition detecting means. 8. The output state detecting apparatus of internal-combustion engine according to claim 7, wherein said various information detected by said operational state detecting means is either of the atmospheric pressure, a cooling water temperature of said internal-combustion engine, an intake air flow, an engine speed, an air-fuel ratio, ignition timing, fuel quality, and electric power generated by said generator, or a combination thereof. 9. The output state detecting apparatus of internal-combustion engine according to claim 3, further comprising rotation control means for controlling a rotational speed of said generator to maintain a rotational speed of said internal-combustion engine in a predetermined range, wherein said combustion state determining means halts the determination of the combustion state when a control variable of said rotation control means is not less than a predetermined threshold. 10. The output state detecting apparatus of internal-combustion engine according to claim 9, wherein said rotation control means controls the rotational speed of said generator by PID control, and wherein said combustion state determining means determines that the control variable of said rotation control means is not less than the predetermined threshold, when a change amount of the component P in said PID control is not less than a predetermined value. 11. The output state detecting apparatus of internal-combustion engine according to claim 3, further comprising: rotation control means for controlling said generator to maintain a rotational speed of said internal-combustion engine in a predetermined range; and rotational speed detecting means for detecting the rotational speed of said internal-combustion engine, wherein said combustion state detecting means halts the control carried out by said rotation control means and determines the combustion state of said internal-combustion engine, based on the rotational speed of said internal-combustion engine detected in the halt state by said rotation detecting means. 12. The output state detecting apparatus of internal-combustion engine according to claim 3, wherein said internal-combustion engine is a multiple-cylinder internal-combustion engine, said output state detecting apparatus further comprising cylinder discriminating means for discriminating a cylinder under execution of a combustion stroke in said internal-combustion engine, wherein said combustion state determining means determines a combustion state of each cylinder from the reaction torque detected by said torque detecting means and the cylinder under the execution of the combustion stroke discriminated by said cylinder discriminating means. 13. The output state detecting apparatus of internal-combustion engine according to claim 12, further comprising combustion state changing means for changing a combustion condition in a cylinder a combustion state of which was determined as being instable by said combustion state determining means, to control the combustion state toward a stable combustion state. 14. The output state detecting apparatus of internal-combustion engine according to claim 1, wherein said output state detecting means is fuel quality determining means for determining fuel quality of said internal-combustion engine. 15. The output state detecting apparatus of internal-combustion engine according to claim 14, further comprising rotation control means for controlling said generator to maintain an rotational speed of said internal-combustion engine in a predetermined range, wherein said fuel quality determining means determines the fuel quality, based on a result of detection of said torque detecting means during a period in which said rotation control means maintains the rotational speed of said internal-combustion engine in the predetermined range. 16. The output state detecting apparatus of internal-combu stion engine according to claim 14, wherein said fuel quality determining means comprises first torque calculating means for calculating an output torque of said internal-combustion engine, based on the reaction torque detected by said torque detecting means, and second torque calculating means for calculating an output torque of said internal-combustion engine from an operational state of said internal-combustion engine, wherein the fuel quality is determined based on comparison between the output torques calculated by said first torque calculating means and said second torque calculating means. 17. The output state detecting apparatus of internal-combustion engine according to claim 16, wherein said second torque calculating means judges the operational state of said internal-combustion engine and calculates the output torque of said internal-combustion engine, based on at least one value of a cooling water temperature, an intake air flow rate, an engine rotational speed, an air-fuel ratio, and ignition timing. 18. The output state detecting apparatus of internal-combustion engine according to claim 14, wherein said fuel quality determining means determines the fuel quality, based on a result of detection of said torque detecting means immediately after cold starting. 19. The output state detecting apparatus of internal-combustion engine according to claim 16, wherein said fuel quality determining means determines the fuel quality, based on a result of detection of said torque detecting means immediately after cold starting. 20. The output state detecting apparatus of internal-combustion engine according to claim 17, wherein said fuel quality determining means determines the fuel quality, based ents are formed by switches. 9. The device of claim 1, wherein the electric assembly is formed by at least one passive electric component having a characteristic electric value. 10. The device of claim 9, wherein the electric assembly is one of the following components: a resistor, an inductor, a capacitor, a diode circuit or a combination of such components. 11. The device of claim 1, wherein the electric assembly is formed by an active electric circuit. 12. The device of claim 11, wherein the electric circuit is designed to produce a characteristic pulse train and/or a characteristic frequency. 13. The device of claim 1, further comprising an evaluation unit for evaluating the electric signals triggered when the actuating elements are actuated. 14. The device of claim 1, wherein the device is used for triggering electric functional elements in a motor vehicle. 15. The device of claim 14, wherein the device is at least partially incorporated into a steering wheel.