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    Flow Rate Observers in the Suppression of Compressor Surge Using Active Magnetic Bearings

    Source: Journal of Turbomachinery:;2013:;volume( 135 ):;issue: 004::page 41015
    Author:
    Yoon, Se Young
    ,
    Lin, Zongli
    ,
    Jiang, Wei
    ,
    Allaire, Paul E.
    DOI: 10.1115/1.4007600
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Surge is a dynamic flow instability that can cause extensive damage to compressors and other components. One common challenge that many surge control methods in the literature face when implemented in industrial applications is the unavailability of the high performance actuators and accurate flow rate measurements that are required to suppress surge. In this paper we present the experimental results of employing active magnetic bearings in order to suppress the surge instability in a centrifugal compressor. In addition, we compare how the selection of the flow estimation method affects the effectiveness of the implemented surge suppression controller. The experimental data demonstrates that the best combination of controller and flow estimator tested in this work allows the compressor to operate deep into the former surge region when the controller is activated, moving the minimum flow rate at the surge initiation point by 21%. This allows the compression system to operate at the highest efficiency/pressure point in the characteristic curve, while still retaining a very conservative surge margin separating the allowed compressor operating region from the surge inception point even if unexpected system changes occur.
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      Flow Rate Observers in the Suppression of Compressor Surge Using Active Magnetic Bearings

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    http://yetl.yabesh.ir/yetl1/handle/yetl/153470
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    contributor authorYoon, Se Young
    contributor authorLin, Zongli
    contributor authorJiang, Wei
    contributor authorAllaire, Paul E.
    date accessioned2017-05-09T01:03:42Z
    date available2017-05-09T01:03:42Z
    date issued2013
    identifier issn0889-504X
    identifier otherturb_135_4_041015.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/153470
    description abstractSurge is a dynamic flow instability that can cause extensive damage to compressors and other components. One common challenge that many surge control methods in the literature face when implemented in industrial applications is the unavailability of the high performance actuators and accurate flow rate measurements that are required to suppress surge. In this paper we present the experimental results of employing active magnetic bearings in order to suppress the surge instability in a centrifugal compressor. In addition, we compare how the selection of the flow estimation method affects the effectiveness of the implemented surge suppression controller. The experimental data demonstrates that the best combination of controller and flow estimator tested in this work allows the compressor to operate deep into the former surge region when the controller is activated, moving the minimum flow rate at the surge initiation point by 21%. This allows the compression system to operate at the highest efficiency/pressure point in the characteristic curve, while still retaining a very conservative surge margin separating the allowed compressor operating region from the surge inception point even if unexpected system changes occur.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleFlow Rate Observers in the Suppression of Compressor Surge Using Active Magnetic Bearings
    typeJournal Paper
    journal volume135
    journal issue4
    journal titleJournal of Turbomachinery
    identifier doi10.1115/1.4007600
    journal fristpage41015
    journal lastpage41015
    identifier eissn1528-8900
    treeJournal of Turbomachinery:;2013:;volume( 135 ):;issue: 004
    contenttypeFulltext
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    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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