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   Articles with "mvdc" as a keyword



Maintenance Scheduling Strategy for MMCs Within an MVDC System Using Sensitivity Analysis

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recommendations! Published in 2024 at "IEEE Access"

DOI: 10.1109/access.2024.3514080

Abstract: The rapid deployment of renewable energy sources is highlighting the critical need for availability and efficiency in power systems, particularly within medium-voltage direct-current (MVDC) systems. Modular multilevel converters (MMCs) are pivotal in these systems, serving… read more here.

Keywords: system; maintenance; sensitivity analysis; mvdc ... See more keywords

Impedance-Based Stability Analysis of MVDC Systems Using Generator-Thyristor Units and DTC Motor Drives

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recommendations! Published in 2017 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"

DOI: 10.1109/jestpe.2016.2642186

Abstract: This paper develops a generalized ac impedance model for synchronous generators and then a dc impedance model for generator-thyristor systems. The impedance model of a medium voltage dc (MVdc) system is built for impedance-based stability… read more here.

Keywords: mvdc; based stability; impedance; harmonics ... See more keywords

Preventing Space-Charge-Induced Breakdown in MVDC Systems by Electric Field Cancellation

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recommendations! Published in 2024 at "IEEE Transactions on Dielectrics and Electrical Insulation"

DOI: 10.1109/tdei.2023.3330699

Abstract: In medium-voltage direct current (MVDC) systems, charge carriers inject into solid insulators, accumulate, and form space charge that distorts electric fields and reduces the effective thickness of dielectric materials. This study proposes an electric field… read more here.

Keywords: electric field; charge; space charge; mvdc ... See more keywords

Multilevel MVDC Link Strategy of High-Frequency-Link DC Transformer Based on Switched Capacitor for MVDC Power Distribution

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recommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2016.2643622

Abstract: To improve the power quality of a medium-voltage dc (MVDC) power distribution grid, a multilevel MVDC link strategy (MMS) for high-frequency-link dc transformer based on switched capacitor is proposed in this paper. By applying MMS,… read more here.

Keywords: mvdc; mvdc link; multilevel mvdc; mvdc power ... See more keywords

A Novel Fault Ride-Through Topology With High Efficiency and Fast Fault Clearing Capability for MVdc PV System

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recommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2022.3156040

Abstract: The multiport dc/dc converter with input independent output series structure is simple and efficient for photovoltaic (PV) applications. Through the cascade of sub-modules (SM), the converter has a high step-up ratio to connect MVdc bus.… read more here.

Keywords: topology; mvdc; fault ride; voltage ... See more keywords

Multiwinding Coupled-Inductor and LC Series Resonant Voltage Balancer for MVDC Integration of Distributed Photovoltaic Energy

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recommendations! Published in 2025 at "IEEE Transactions on Industrial Electronics"

DOI: 10.1109/tie.2024.3417989

Abstract: The integration of distributed photovoltaics (PVs) into medium-voltage dc (MVDC) system using input-independent output series (IIOS) multiport dc–dc converter has gained more attention due to its superior voltage boosting capability. However, the output voltage unbalance… read more here.

Keywords: integration distributed; voltage balancer; series; voltage ... See more keywords

Study on the Dielectric Recovery Strength of Vacuum Interrupter in MVDC Circuit Breaker

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recommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2020.2978599

Abstract: The medium-voltage direct current (MVDC) distribution grids have been given significant attention because of their wide applications in the grid integration of the renewable energy sources and in the improvement of the stability and quality… read more here.

Keywords: recovery strength; vacuum interrupter; strength; mvdc ... See more keywords
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Piezoelectrically Actuated Fast Mechanical Switch for MVDC Protection

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recommendations! Published in 2021 at "IEEE Transactions on Power Delivery"

DOI: 10.1109/tpwrd.2020.3030869

Abstract: Medium voltage direct current (MVDC) power systems are in their early phase of development, but the lack of efficient and reliable DC circuit breakers is currently one of the most significant bottlenecks for widespread adoption… read more here.

Keywords: mvdc; fast mechanical; actuated fast; piezoelectrically actuated ... See more keywords

The Development of Bi-LSTM Based on Fault Diagnosis Scheme in MVDC System

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recommendations! Published in 2024 at "Energies"

DOI: 10.3390/en17184689

Abstract: Diagnosing faults is crucial for ensuring the safety and reliability of medium-voltage direct current (MVDC) systems. In this study, we propose a bidirectional long short-term memory (Bi-LSTM)-based fault diagnosis scheme for the accurate classification of… read more here.

Keywords: diagnosis; diagnosis scheme; fault diagnosis; mvdc ... See more keywords