[특허]Power controller reset during load starting

Power controller reset during load starting 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02H-003/00
출원번호	US-0331278 (1994-10-28)
발명자 / 주소	Parkinson Gerald W. (Shelton CT)
출원인 / 주소	United Technologies Corporation (Hartford CT 02)
인용정보	피인용 횟수 : 61 인용 특허 : 0

초록 ▼

A solid state power controller is automatically reset if an overload trip occurs during a start-up delay period. If an overload trip occurs during load starting, the SSPC remains tripped for a reset delay period, and thereafter the SSPC is automatically reset, thereby allowing the starting process to continue by heating a lamp filament, accelerating a motor, etc., without indicating a system fault to an operator. At the expiration of the start-up delay period, the SSPC no longer automatically resets in response to an overload condition.

대표청구항 ▼

A start-up reset control for a solid-state power controller (SSPC), the SSPC being responsive to the presence of a COMMAND signal for applying a source voltage to at least one load, thereby resulting in the development of a load current, the SSPC interrupting the application of the source voltage to the load in response to the absence of said COMMAND signal or in response to an overload defined as the load current exceeding a threshold value, the SSPC reapplying the source voltage to the load after the occurrence of an overload only after the removal and reapplication of the COMMAND signal, the start-up reset control comprising: command means for providing a COMMAND ON signal; start-up delay means for determining the commencement of a start-up delay period in response to the presence of said COMMAND ON signal; and control means responsive to the absence of said COMMAND ON signal for removing said COMMAND signal, responsive to the presence of said COMMAND ON signal for providing said COMMAND signal, and responsive to an overload condition only during said start-up delay period for automatically removing said COMMAND signal for a reset delay period and then automatically reapplying said COMMAND signal.

이 특허를 인용한 특허 (61)

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IPC	Description
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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연합인증

Power controller reset during load starting 원문보기

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Power controller reset during load starting 원문보기

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이 특허를 인용한 특허 (61)

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