Metso DNA Anti Surge Control on Gas （美卓DNA防喘振控制气体）.pdfVIP

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Metso DNA Anti Surge Control on Gas （美卓DNA防喘振控制气体）.pdf

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Metso DNA Anti Surge Control on Gas （美卓DNA防喘振控制气体）

Power Gen 2013 Vienna Metso DNA Anti Surge Control on Gas Compressor Systems Description Tom Bäckman 18.04.2013 Metso DNA compressor control 2/ 14 April 18, 2013 TableofContents ANTI SURGE CONTROL ON GAS COMPRESSION SYSTEMS 3 1 ABSTRACT 3 2 COMPRESSOR CONTROL 3 2.1 Process control 3 2.2 Capacity control 4 2.2.1 Throttling 4 2.2.2 Variable inlet guide vanes 5 2.2.3 Variable speed 6 2.3 Antisurge control 7 2.3.1 Surge Avoidance 8 3 MODELING OF CENTRIFUGAL COMPRESSOR 10 3.1 Process simulation 10 3.2 Compressor station model 11 3.3 Simulator 12 © Metso 2013 Metso DNA compressor control 3/ 14 April 18, 2013 ANTI SURGE CONTROL ON GAS COMPRESSION SYSTEMS 1 ABSTRACT With the increase of the applications of high performance compression systems it happens more and more that the compression systems reach their limits. To keep up with the competition it is necessary to operate these machines at their maximal efficiency and capacity. One problem which arises with running compression system to their limit is that a small disturbance in the process can lead to unwanted operating conditions. This can lead into catastrophic incidents with material damages to the system or worse, with personal casualties. One of the problems which can occur and can be disastrous to t