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METHOD OF SURGE PROTECTION FOR A DYNAMIC COMPRESSOR USING A SURGE PARAMETER
METHOD OF SURGE PROTECTION FOR A DYNAMIC COMPRESSOR USING A SURGE PARAMETER
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机译:基于喘振参数的动态压缩机喘振保护方法
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摘要
A method of surge protection for a dynamic compressor that has a corresponding compressor map. A control system continually calculates an equivalent polytropic head parameter in order to define a surge limit line. The system then calculates a control parameter and determines the distance the control parameter to the surge limit line wherein the control parameter is dynamic to changes in compressor load and invariant to changes in suction conditions and gas compressibility. As a result of the distance of the control parameter to the surge limit line, the surge valve of a dynamic compressor is actuated to prevent surge.
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