Results 271 to 280 of about 19,719,110 (337)

Voltage support strategy for PV inverter to enhance dynamic voltage stability of islanded microgrid

International Journal of Electrical Power and Energy Systems, 2020
This paper presents a voltage support (VS) strategy for grid feeding photo-voltaic (PV) inverter with new coordination between the active and reactive current injection to improve the dynamic voltage stability (DVS) of islanded microgrid (MG).
Junwei Lu, Fuwen Yang, Nadia Afrin
exaly   +3 more sources

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Voltage Support Control Strategies for Static Synchronous Compensators Under Unbalanced Voltage Sags

IEEE Transactions on Industrial Electronics, 2014
Static synchronous compensators have been broadly employed for the provision of electrical ac network services, which include voltage regulation, network balance, and stability improvement. Several studies of such compensators have also been conducted to improve the ac network operation during unbal- anced voltage sags.
Miguel Castilla, Jaume Miret Tomas, Jose Luis Garcia de Vicuña Muñoz de la Nava   +2 more
exaly   +4 more sources

Multi-Stage Voltage Support Optimization for Microgrids With Multiple Distributed Generation Units

IEEE Transactions on Smart Grid, 2021
With the proliferation of microgrids (MGs) into the utility grid (UG), MGs with multiple distributed generations (DGs) face challenge to flexibly support voltage during UG faults.
Chen Chen, Canbing Li, Yijia Cao
exaly   +2 more sources

Dynamic Voltage Support for Low-Voltage Ride-Through Operation in Single-Phase Grid-Connected Photovoltaic Systems

IEEE Transactions on Power Electronics, 2021
Ahteshamul Haque, Varaha Satya Bharath Kurukuru, Mohammed Ali Khan   +2 more
exaly   +2 more sources

Adaptive Dynamic Voltage Support Scheme for Fault Ride-Through Operation of a Microgrid

IEEE Transactions on Sustainable Energy, 2023
This paper proposes a control strategy for enabling voltage fault ride-through (VFRT) operation with adaptive dynamic voltage support (DVS) scheme using the energy storage in a microgrid.
B. R. Naidu, P. Bajpai, C. Chakraborty, Muli Malakondaiah, B. K. Kumar   +4 more
semanticscholar   +1 more source

A Voltage Support Scheme for Distributed Generation With Minimal Phase Current Under Asymmetrical Grid Faults

IEEE transactions on industrial electronics (1982. Print), 2023
In the event of grid faults, the disconnection of a large capacity distributed generation (DG) may compromise grid stability. To address this challenge, grid codes in many countries have incorporated fault ride-through capability that requires the DG to ...
Shamim Hasan, V. Agarwal
semanticscholar   +1 more source

Voltage Support and Selective Harmonic Current Compensation in Advanced AC Microgrids

IEEE transactions on industry applications, 2023
The high penetration of distributed energy resources (DERs) and non-linear loads in low-voltage (LV) grids may cause overvoltage and voltage harmonic distortion.
J. M. Callegari, H. Pereira, D. Brandão
semanticscholar   +1 more source

Robust Integral Sliding Mode Control for Transient Voltage Support From Bidirectional Converter-Based Active Filters in Microgrids

IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2023
The dc–ac conversion in microgrids leads to second-order oscillations in the dc side voltages and source currents. These oscillations are mitigated using either active or passive filters.
Shivam Chaturvedi, Mohit Kachhwaha, D. Fulwani   +2 more
semanticscholar   +1 more source

A Two-Stage Simultaneous Control Scheme for the Transient Angle Stability of VSG Considering Current Limitation and Voltage Support

IEEE Transactions on Power Systems, 2022
Since the wide application of virtual synchronous generators (VSGs), the power grid faces great challenges in the safe and stable operation due to their limited thermal capacity and weak anti-disturbance ability.
Kun Sun, W. Yao, Jinyu Wen, Lin Jiang
semanticscholar   +1 more source

An Advanced Control Strategy for a Weak Grid-Connected DG for Enhancing Voltage Support During Co-occurrence of Sag and Swell

IEEE Transactions on Power Electronics
Numerous control strategies for voltage support are developed to encounter the voltage issues (sag, swell, low voltage, and high voltage). Yet, there is a significant gap in the voltage support concept, such as reduction of zero-sequence voltage along ...
Suresh Maganti, Narayana Prasad Padhy
exaly   +2 more sources