[특허]Fluid turbine modular electric generator including removable stator modules with integrated power electronics and magnetic bearing system

[미국특허] Fluid turbine modular electric generator including removable stator modules with integrated power electronics and magnetic bearing system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-009/04 H02P-009/48 B60L-013/04 F03D-009/00 H02K-007/09 H02P-025/22 H02K-007/18 H02P-009/00 H02K-016/00
출원번호	US-0457083 (2014-08-11)
등록번호	US-9509244 (2016-11-29)
발명자 / 주소	Wamble, III, John Lee Perkins, Christopher Cole, John Foster, Clark Baertsch, Robert
출원인 / 주소	UNIMODAL SYSTEMS, LLC
대리인 / 주소	Polsinelli PC
인용정보	피인용 횟수 : 0 인용 특허 : 25

초록 ▼

An electric power generation system may be constructed of multiple similar generator modules arranged between a rotor and a stator. The rotor may be coupled to and/or integrated with a turbine that is configured to rotate in the presence of a fluid stream such as wind or water. Each generator module may have a rotor portion configured to generate a magnetic field having at least one characteristic that changes with respect to the rotational speed of the rotor. Each generator module may further have a stator portion configured to generate an alternating electric current responsive to the magnetic field. The generated electric current may be controlled by the stator portion of the generator module in order to magnetically control the rotational speed of the rotor and the turbine. Separation between the rotor and stator portions of the generator module may be magnetically maintained.

대표청구항 ▼

1. An electric power generation system, comprising: a turbine configured to rotate, a rotational speed of the turbine based at least in part on a flow rate of a fluid flow;a plurality of rotor modules connectively coupled with the turbine via a rotor frame, and collectively configured to generate a magnetic field having at least one characteristic based at least in part on the rotational speed of the turbine; anda plurality of stator modules configured to: generate at least one alternating electric current, in response to at least the magnetic field generated by the plurality of rotor modules;maintain a relative position of the plurality of rotor modules with respect to the plurality of stator modules with magnetic force; andcontrol the rotational speed of the turbine; wherein each of the plurality of stator modules is removably coupled with a stator frame and comprises: at least one generating coil configured to generate the alternating electric current in response to the magnetic field generated by the rotor modules; anda power electronics module configured to manage the generated alternating electric current and produce a desired magnetically-induced torque that at least partially controls the rotational speed of the turbine, the power electronics module comprising: an active rectifier;an inverter; anda controller comprising a rectifier controller configured to control the active rectifier and an inverter controller configured to control the inverter, the controller configured to: receive command messages from a data bus;translate the received command messages into signals for the rectifier controller and signals for the inverter controller; andcontrol the active rectifier and the inverter in accordance with the received command messages. 2. An electric power generation system in accordance with claim 1, wherein controlling the rotational speed of the turbine further comprises controlling at least one characteristic of said at least one alternating electric current generated by the plurality of stator modules. 3. An electric power generation system in accordance with claim 2, wherein controlling said at least one characteristic of said at least one alternating electric current comprises modifying said at least one characteristic with the active rectifier of a corresponding one of the power electronic modules. 4. An electric power generation system in accordance with claim 1, further comprising a system control module configured at least to coordinate individual stator module participation with respect to control of for controlling the rotational speed of the turbine. 5. An electric power generation system in accordance with claim 1, wherein the at least one generating coil of each of the plurality of stator modules comprises a generator coil with a plurality of tap points that are dynamically selectable with switches. 6. An electric power generation system in accordance with claim 1, wherein each of the plurality of rotor modules comprises a permanent magnet fastened to a frame of the rotor module with a flexible coupling that allows movement of the permanent magnet with respect to the frame in a direction parallel to a main magnetic flux path. 7. An electric power generation system in accordance with claim 1, wherein each rotor module comprises at least one stabilization magnet, each stator module comprises at least one corresponding stabilization magnet, and the stabilization magnets act collectively to keep stable a separation between the plurality of rotor modules and the plurality of stator modules.

이 특허에 인용된 특허 (25) 인용/피인용 타임라인 분석

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Fluid turbine modular electric generator including removable stator modules with integrated power electronics and magnetic bearing system 원문보기

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[미국특허] Fluid turbine modular electric generator including removable stator modules with integrated power electronics and magnetic bearing system 원문보기

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