[특허]Adaptive control of an electrical generator set based on load magnitude

Kohler Co.

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특허 상세정보

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Adaptive control of an electrical generator set based on load magnitude

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-009/04
미국특허분류(USC)	290/040C; 290/040B
출원번호	US-0688323 (2010-01-15)
등록번호	US-8400001 (2013-03-19)
발명자 / 주소	Eaton, Zane C. Bornemann, Kenneth R.
출원인 / 주소	Kohler Co.
대리인 / 주소	Michael Best & Friedrich LLP
인용정보	피인용 횟수 : 4 인용 특허 : 9

초록
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A generator set includes an internal combustion engine and a generator driven by the engine. The generator provides electricity to a plurality of loads, each of which is selectively connected to the generator by a switch. The generator set is controlled by a method that includes receiving a command to connect a given load to the generator. In response to that command, a throttle of the engine is changed to a transition throttle position and an transition excitation voltage is applied to the generator. Then the switch is operated to connect the given load...

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1. A method for controlling a generator set that includes an internal combustion engine which drives a generator to provide electric current to a plurality of loads, each of which is selectively connected to the generator by a switch, wherein the generator set has a normal state of operation in which the engine has a throttle that is positioned at a defined throttle setting and in which a defined excitation voltage is applied to the generator, the method comprising: receiving a command to connect a given load to the generator;in response to receiving the command, obtaining a first value designating a transition throttle setting for the engine;in response to receiving the command, obtaining a second value designating a transition excitation voltage for the generator;operating the engine with the throttle positioned at the transition throttle setting;applying the transition excitation voltage to the generator; andthereafter, operating the switch to connect the given load to the generator. 2. The method as recited in claim 1 further comprising after operating the switch: measuring an actual speed of the engine to produce a speed measurement; andemploying the speed measurement to redefine the first value designating a transition throttle setting. 3. The method as recited in claim 1 further comprising after operating the switch: measuring a generator output voltage to produce a voltage measurement; andemploying the voltage measurement to redefine the second value designating the transition excitation voltage. 4. The method as recited in claim 1 further comprising after operating the switch: sensing an operational characteristic of the generator set; andin response to the operational characteristic, redefining at least one of the first value and the second value. 5. The method as recited in claim 1 wherein obtaining a first value and obtaining a second value both comprised reading data from a storage device. 6. The method as recited in claim 1 wherein operating the engine with the throttle positioned at the transition throttle setting and applying the transition excitation voltage to the generator occurs for a period of time, after which the generator set is operated in the normal state of operation. 7. The method as recited in claim 1 further comprising, after operating the switch: sensing an operational characteristic of the generator set; andin response to the operational characteristic, returning operation of the generator set to the normal state. 8. The method as recited in claim 7 wherein returning operation of the generator set to the normal state comprises: repositioning the throttle at the defined throttle setting; andapplying the defined excitation voltage to the generator. 9. The method as recited in claim 1 wherein if upon receiving the command, no loads are connected to the generator, then the method further comprises: operating the engine with the throttle positioned at the defined throttle setting; and; applying the defined excitation voltage to the generator. 10. A method for controlling a generator set that includes an internal combustion engine which drives a generator to provide electricity to a plurality of loads, each of which is selectively connected to the generator by a switch, wherein the engine has a throttle for controlling speed and wherein an excitation voltage is applied to the generator to produce a magnetic field, the method comprising: receiving a command to connect a given load to the generator;in response to receiving the command, altering a position of the throttle and alerting the excitation voltage applied to the generator in ways that compensate for an effect that connecting the given load to the generator has on the electricity provided by the generator; and thereafteroperating the switch to connect the given load to the generator. 11. The method as recited in claim 10 wherein: altering the position of the throttle comprises operating the engine with the throttle positioned at a predefined transition throttle setting; andalerting the excitation voltage applied to the generator comprises applying a predefined transition excitation voltage to the generator. 12. The method as recited in claim 11 further comprising after operating the switch: measuring an actual speed of the engine to produce a speed measurement; andmeasuring an output voltage produced by the generator which thereby produces a voltage measurement. 13. The method as recited in claim 12 further comprising employing at least one of the speed measurement and the voltage measurement to change the predefined transition throttle setting. 14. The method as recited in claim 12 further comprising employing at least one of the speed measurement and the voltage measurement to change the predefined transition excitation voltage for the generator. 15. The method as recited in claim 11 wherein in response to a defined event occurring after operating the switch: altering a position of the throttle to a predetermined throttle setting; andalerting the excitation voltage applied to the generator to a predetermined excitation voltage level. 16. The method as recited in claim 10 further comprising, after operating the switch: sensing an operational characteristic of the generator set; andin response to the operational characteristic, altering a position of the throttle to a defined throttle setting, and alerting the excitation voltage applied to the generator to a defined excitation voltage level. 17. The method as recited in claim 10 wherein if upon receiving the command, no loads are connected to the generator, then the method further comprises: operating the engine with the throttle positioned at a defined throttle setting; andapplying a defined excitation voltage to the generator. 18. A method for controlling a generator set that includes an internal combustion engine which drives a generator to provide electricity to a plurality of loads, each of which is selectively connected to the generator by a switch, wherein the engine has a throttle for controlling speed and wherein an excitation voltage is applied to the generator to produce a magnetic field, the method comprising: receiving a command to connect a given load to the generator;in response to receiving the command, altering a position of the throttle to a predefined transition throttle setting to compensate for an effect that connecting the given load to the generator has on the electricity provided by the generator; and thereafteroperating the switch to connect the given load to the generator. 19. The method as recited in claim 18 further comprising after operating the switch: sensing an operational characteristic of the generator set; andin response to the operational characteristic, changing the predefined transition throttle setting for subsequent use. 20. A method for controlling a generator set that includes an internal combustion engine which drives a generator to provide electricity to a plurality of loads, each of which is selectively connected to the generator by a switch, wherein an excitation voltage is applied to the generator to produce a magnetic field, the method comprising: receiving a command to connect a given load to the generator;in response to receiving the command, changing the magnetic field by applying a predefined transition excitation voltage to the generator to compensate for an effect that connecting the given load to the generator has on the electricity produced by the generator; and thereafteroperating the switch to connect the given load to the generator. 21. The method as recited in claim 20 further comprising after operating the switch: sensing an operational characteristic of the generator set; andin response to the operational characteristic, changing the predefined transition excitation voltage for subsequent use.

이 특허에 인용된 특허 (9)

이 특허를 인용한 특허 피인용횟수: 4

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특허 상세정보

Adaptive control of an electrical generator set based on load magnitude

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이 특허에 인용된 특허 (9)

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Adaptive control of an electrical generator set based on load magnitude

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이 특허에 인용된 특허 (9)

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