Transient Protection of UHV Busbars Based on Standardized VMD-Shannon Entropy
IEEE AccessTransient bus protection exhibits ultra-high-speed action, yet displays low reliability under weak fault conditions. This paper proposes a novel multidimensional fault analysis framework to address this issue.
Zhenwei Guo +3 more
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Fault blocking converters for HVDC transmission : a transient behaviour comparison [PDF]
, 2018 A thorough comparison of the transient behaviours of two state-of-the-art converters suitable for HVDC transmission is presented. The Alternate Arm and Mixed-Cell Modular Multilevel Converter topologies both have DC fault blocking capability and are ...
Finney, S. +3 more
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بررسی عوامل مؤثر بر اضافه ولتاژ گذرای ناشی از کلیدزنی کلید خلاء در شبکه توزیع و راهکار کاهش شدت آن [PDF]
مجله مدل سازی در مهندسیکلیدهای قدرت از هر نوعی که باشند، به عنوان یک منبع تولید اضافه ولتاژهای گذرا در سیستمهای قدرت شناخته میشوند. در این بین، کلیدهای قدرت از نوع خلاء (Vacuum Circuit Breaker-VCB) اضافه ولتاژهای شدیدتری را نسبت به دیگر انواع کلیدها تولید میکنند.
احمد مرادی +2 more
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Ain Shams Engineering JournalHigh-Impedance Arcing Faults (HIAFs) in electrical microgrids are among the abnormal conditions that are difficult to detect by conventional protective devices due to low current and non-linear behavior. In addition, the behavioral similarity of HIAFs to
Mohsen Jannati, Hamidreza Toodeji
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Evaluating the High Frequency Behavior of the Modified Grounding Scheme in Wind Farms
Applied Sciences, 2017 Wind generators are exposed to numerous destructive forces such as lightning and are therefore vulnerable to these phenomena. To evaluate the transient behavior of a wind power plant during direct and indirect strikes, modeling of all relevant components
Seyede Fatemeh Hajeforosh +3 more
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, 2016 International audienceL'objet de cet article est l'étude d'un réseau de puissance sous-marin fonctionnant en basse fréquence. L'utilisation de la basse fréquence au niveau offshore s'avère un compromis intéressant entre le continu et l'alternatif à 50 ou
Bacha, Seddik +2 more
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Damping of Sub synchronous Resonance and Power Swing using TCSC and Series capacitor [PDF]
, 2014 No ...
, Durga Prasad Ananthu, Rami Reddy Mannem
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CASE STUDY ON TRANSFORMER MODELS FOR CALCULATION OF HIGH FREQUENCY TRANSMITTED OVERVOLTAGES [PDF]
, 2014 Events such as lightning, switching of vacuum circuit breaker or switching operations in gas insulated substation (GIS) generate high frequency overvoltages.
Alain Xemard +4 more
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Effects of high frequency modeling & grounding system parameters on transient recovery voltage across vacuum circuit breakers for capacitor switching in wind power plants [PDF]
, 2019 © 2018 Elsevier Ltd This paper investigates the transient recovery voltages across vacuum circuit breakers used for the switching shunt capacitor bank in wind power plants, which are connected to the power system.
Nouri, Hassan
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Novel Techniques to Reduce Transformer Inrush Current Using EMTP Software
مهندسی مخابرات جنوبTransformer inrush current is a high-amplitude, non-sinusoidal transient that occurs during initial energization, leading to voltage dips, power quality degradation, and relay misoperations.
Amir Ghaedi +2 more
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