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ANTICIPATION LOGIC FOR A SURGE CONTROL VALVE UTILIZED WITH LOAD COMPRESSOR
ANTICIPATION LOGIC FOR A SURGE CONTROL VALVE UTILIZED WITH LOAD COMPRESSOR
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机译:使用负载压缩机的喘振控制阀的选型逻辑
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摘要
A load compressor includes an air inlet and an outlet, and a surge control valve positioned on the outlet. The surge control valve serves to selectively pass air to a downstream use, or to be dumped to atmosphere. A control for the compressor and the surge control valve is also included. The control is provided with a variable indicative of the operation of the load compressor, the variable being indicative of a movement to transient operation of the compressor. The control is provided with a low surge control limit for steady state operation. The control is also provided with a higher surge control limit, and switches to use of the higher surge control limit if the variable being monitored is seen to change beyond a particular threshold. The low and higher surge control limits are utilized to control the opening of the surge control valve. An aircraft air supply system and a method are also disclosed.
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