[특허]Battery energy storage power conditioning system

Battery energy storage power conditioning system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G05F-001/70 H02M-003/24 H02J-001/00
출원번호	US-0690293 (1996-07-26)
발명자 / 주소	Larsen Einar V. Delmerico Robert W.
출원인 / 주소	General Electric Company
대리인 / 주소	Mora
인용정보	피인용 횟수 : 68 인용 특허 : 0

초록 ▼

A method and apparatus for controlling a battery energy storage system of the type in which an inverter is coupled to convert direct current power from a DC source to a controlled frequency AC power suitable for supplementing utility power or for replacing utility power includes a control mechanism for operating the system and either a supplemental or replacement mode in parallel with a utility power system. The system favors frequency control over power control and maintains constant monitoring of frequency output with adjustment of power in response to any frequency shift of the inverter output. The system also includes apparatus for determining a power error signal based upon commanded power output in which the power error signal is applied as a phase shift control signal in the frequency control circuit for regulating the real component of power supplied by the inverter. In one form, the system is illustrated as multiple, parallel connected power control systems coupled to a common DC source for supplying a common AC output and each of the power control systems are regulated in response to the reactive component of power supplied therefrom so as to promote load sharing between the separate power control systems.

대표청구항 ▼

[ What is claimed is:] [1.] A control system for controlling a solid-state inverter coupling a direct current (DC) power source in parallel power transfer with a utility power system, each of the inverter and utility power system being adapted for supplying alternating current (AC) electric power to a load with a selected load voltage, the inverter including a plurality of solid-state, electronically controllable switches, each of the switches being responsive to electronic control signals for gating the switches into and out of conduction, the system comprising:a gating logic circuit for generating the electronic control signals in response to a voltage command signal and a phase command signal, the voltage command signal establishing the conduction times of the controllable switches and the phase command signal establishing the output frequency and phase of the inverter output voltage;a voltage regulator coupled for receiving a voltage error signal representative of any difference between the selected magnitude of load voltage and a measured magnitude of voltage representative of load voltage, the voltage regulator being responsive to the voltage error signal for generating the voltage command signal with a magnitude sufficient to minimize the voltage error signal;a power regulator coupled for monitoring the frequency of the voltage from the inverter and comparing the frequency to a reference frequency for generating a power offset signal for maintaining the frequency of the voltage from the inverter at about the reference frequency, the power regulator further including:a power processing circuit coupled for receiving the power offset signal, a power error signal representative of any difference between measured real component of power from the inverter and a desired power output of the inverter and for generating therefrom a phase shift signal for summation with a measured phase of the selected load voltage for regulating the real component of power supplied by the inverter.

이 특허를 인용한 특허 (68)

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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

내보내기 구분	파일저장 인쇄 메일전송
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Battery energy storage power conditioning system 원문보기

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Battery energy storage power conditioning system 원문보기

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이 특허를 인용한 특허 (68)

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