Search Results - "Ehya, Hossein"

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  1. 1

    Static and dynamic eccentricity fault diagnosis of large salient pole synchronous generators by means of external magnetic field by Ehya, Hossein, Nysveen, Arne, Nilssen, Robert, Liu, Yujing

    Published in IET electric power applications (01-07-2021)
    “…Although synchronous generators are robust and long‐lasting equipment of power plants, consistent electricity production depends on their health conditions…”
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    Journal Article
  2. 2

    Pattern Recognition of Interturn Short Circuit Fault in a Synchronous Generator Using Magnetic Flux by Ehya, Hossein, Nysveen, Arne

    Published in IEEE transactions on industry applications (01-07-2021)
    “…This article provides a novel approach for discriminating the interturn short circuit (ITSC) fault in a salient pole synchronous generator (SPSG) based on the…”
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    Journal Article
  3. 3

    Comprehensive Broken Damper Bar Fault Detection of Synchronous Generators by Ehya, Hossein, Nysveen, Arne

    “…Reliable operation of synchronous generators in hydroelectric power plants is crucial for avoiding unplanned stoppages that can incur substantial costs. The…”
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    Journal Article
  4. 4

    Intelligent Data-Driven Diagnosis of Incipient Interturn Short Circuit Fault in Field Winding of Salient Pole Synchronous Generators by Ehya, Hossein, Skreien, Tarjei N., Nysveen, Arne

    “…This article examines if machine learning (ML) and signal processing can be used for online condition monitoring to reveal interturn short circuit (ITSC) fault…”
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    Journal Article
  5. 5

    Performance Evaluation of Signal Processing Tools Used for Fault Detection of Hydrogenerators Operating in Noisy Environments by Ehya, Hossein, Nysveen, Arne, Skreien, Tarjei N.

    Published in IEEE transactions on industry applications (01-07-2021)
    “…Signal processing plays a crucial role in addressing failures in electrical machines. Experimental data are never perfect due to the intrusion of undesirable…”
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    Journal Article
  6. 6

    Advanced Fault Detection of Synchronous Generators Using Stray Magnetic Field by Ehya, Hossein, Nysveen, Arne, Antonino-Daviu, Jose A.

    “…Many methods used for precise fault detection in salient pole synchronous generators (SPSGs) often require a priori knowledge of the healthy case, but this…”
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    Journal Article
  7. 7

    An Expeditious Algorithm for Identification and Classification of Rotor Faults in Salient Pole Synchronous Generators by Ehya, Hossein, Nysveen, Arne, Akin, Bilal, Gyftakis, Konstantinos N.

    “…Providing secure electricity depends on the reliable operation of the synchronous generators in power plants. Inter-turn short circuit (ITSC) and dynamic…”
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    Journal Article
  8. 8

    Virtual-Stator Loss Model for Synchronous Generators With Fractional-Slot Winding by Zhang, Zhaoqiang, Nysveen, Arne, Fagermyr, Borge Johannes, Nilssen, Robert, Ehya, Hossein, Belkhode, Satish

    Published in IEEE transactions on industry applications (01-07-2024)
    “…In synchronous generators, the end-region field can cause additional losses at clamping structures and stator end core. It can be a computational challenge to…”
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    Journal Article
  9. 9

    Material Characterization and Stator Core Loss Computation of Synchronous Generators with Stacking Force Accounted by Zhang, Zhaoqiang, Nysveen, Arne, Fagemyr, Borge Johannes, Chen, Anyuan, Ehya, Hossein, Nilssen, Robert

    Published in IEEE transactions on industry applications (01-01-2024)
    “…In electrical machines, electrical steels are stacked together with forces to maintain mechanical rigidity. This stacking force alters the magnetic properties…”
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    Journal Article
  10. 10

    Online condition monitoring of large synchronous generator under eccentricity fault by Ehya, Hossein, Sadeghi, Iman, Faiz, Jawad

    “…Condition monitoring of large synchronous generators plays a critical role in power generation systems. It prevents unexpected failure of the systems. About…”
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    Conference Proceeding
  11. 11

    Virtual-stator Loss Model for Synchronous Generators by Zhang, Zhaoqiang, Nysveen, Arne, Fagermyr, Borge Johannes, Nilssen, Robert, Ehya, Hossein

    “…In synchronous generators, end region field can cause additional losses at clamping structures and stator end core. It can be a computational challenge to…”
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    Conference Proceeding
  12. 12

    Online condition monitoring of large synchronous generator under short circuit fault - A review by Sadeghi, Iman, Ehya, Hossein, Faiz, Jawad, Akmal, Amir Abbas Shayegani

    “…This paper reviews short-circuit fault in the large synchronous generators. It is shown that probability of rotor short-circuit fault in large synchronous…”
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    Conference Proceeding
  13. 13

    Material Characterization and Stator Core Loss Computation of Synchronous Generators with Stacking Force Accounted by Zhang, Zhaoqiang, Nysveen, Arne, Nilssen, Robert, Fagermyr, Borge Johannes, Chen, Anyuan, Ehya, Hossein

    “…In synchronous generators, stacking pressure of stator core can be up to 10MPa. This stacking force alters magnetic properties of laminated steel, and…”
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    Conference Proceeding
  14. 14

    Time Domain Signature Analysis of Synchronous Generator under Broken Damper Bar Fault by Ehya, Hossein, Nysveen, Arne, Nilssen, Robert, Lundin, Urban

    “…Fault detection of electrical machines can avoid unplanned outage of the electricity generation at a power plant. Research related to a different type of…”
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    Conference Proceeding
  15. 15

    Static, Dynamic and Mixed Eccentricity Faults Detection of Synchronous Generators based on Advanced Pattern Recognition Algorithm by Ehya, Hossein, Nysveen, Arne, Antonino-Daviu, Jose. A

    “…Static eccentricity (SE) and dynamic eccentricity (DE) fault are prevalent types of faults in the synchronous generators operating in the hydropower plant…”
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    Conference Proceeding
  16. 16

    Condition Monitoring of Wound Field Synchronous Generator under Inter-turn Short Circuit Fault utilizing Vibration Signal by Ehya, Hossein, Lyng Rodal, Gaute, Nysveen, Arne, Nilssen, Robert

    “…In this paper, a novel frequency index for Inter Turn Short Circuit (ITSC) fault diagnosis of the Wound Field Synchronous Generator (WFSG) is presented by…”
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    Conference Proceeding
  17. 17

    Analytic method for eccentricity fault diagnosis in salient-pole synchronous generators by Sadeghi, Iman, Ehya, Hossein, Faiz, Jawad

    “…An analytical method is developed to extract a feature and recognize a pattern for dynamic and static eccentricity fault diagnosis in salient-pole synchronous…”
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    Conference Proceeding
  18. 18

    Inter-turn Short Circuit Fault Identification of Salient Pole Synchronous Generators by Descriptive Paradigm by Ehya, Hossein, Nysveen, Arne, Antonino-Daviu, Jose. A., Akin, Bilal

    “…The field winding inter-turn short circuit (ITSC)fault is the most prevalent fault type in salient pole synchronous generators (SPSG) and can cause severe…”
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    Conference Proceeding
  19. 19

    Eccentricity fault indices in large induction motors an overview by Sadeghi, Iman, Ehya, Hossein, Faiz, Jawad

    “…This paper reviews eccentricity fault indices in large induction motors. The most advantageous features that have been widely used for eccentricity fault…”
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    Conference Proceeding
  20. 20

    The Noise Effects on Signal Processors Used for Fault Detection Purpose by Ehya, Hossein, Skreien, Tarjei Nesbo, Nysveen, Arne, Nilssen, Robert

    “…Signal Processing plays a crucial role in addressing failures in electrical machines. Experimental data are never perfect due to the intrusion of undesirable…”
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    Conference Proceeding